Saturday 31 January 2015

Electronic Devices And Circuits Important Questions For External Exams


Electronic Devices And Circuits Important Questions For External Exams


Subject Code : EC6202
Subject Name : Electronic Devices And Circuits
Semester : 3rd Semester
Regulation : 2013
Department : Electronic & Communication Engineering
Categories : Question Banks

EC6202 Electronic Devices And Circuits Question Banks
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Electronic Devices and Circuits Important Questions


Electronic Devices and Circuits Important Questions
EDC Important Questions External Exams

Unit 1

1.Draw the circuit diagram and explain the working of full wave bridge rectifier and derive the expression for average output current and rectification efficiency.
2.With a neat diagram explain the working of a PN junction diode in forward bias and reverse bias and show the effect of temperature on its V-I characteristics.
3.Explain V-I characteristics of Zener diode
4.Derive the diode equation of the diode
5.Explain Zener diode and it’s breakdown mechanism?

Unit 2

1. Sketch neatly the circuit diagram of a CE configuration transistor, discuss its operation, characteristics and compare it with other modes of operation.
2. Derive the hybrid model of a CE Amplifier.
3. What are Power Transistors?
4. Describe the methods of determining h-parameters from its static input and output characteristics.
5. Derive the equation for efficiency of a Class B amplifier

Unit 3

1. Discuss in detail the working and operation of JFET and explain the I/O characteristics
2. Explain the operation and Characteristics of Enhancement mode MOSFET & Depletion mode MOSFET
3. Explain how the transconductance of a JFET varies with drain current and gate voltage characteristics and transfer characteristics
4. In a JFET the following parameters are given, IDDS = 32Ma, VG(off) = -8V and VGS = 4.5 V. Find The values of drain current.
5.Explain the application of FET as a voltage variable resistor

Unit 4

1. Draw the block diagram of a voltage series feedback amplifier and derive the equation for input impedance, output impedance and the voltage gain.
2. Differentiate oscillator with amplifier
3. Draw the circuit of a Hartley oscillator and derive the condition for the frequency of oscillation.
4. Explain the working of a differential amplifier in both common and differential mode.
5. Explain the operation of any one type of oscillator in detail and give its equation.

Unit 5

1. Draw the circuit diagram of a collector coupled astable multivibrator using complementary transistors and draw the typical wave form at base and collector coupled astable multivibrator.
2. Explain the working and operation of a Schmitt trigger with a neat diagram.
3. Explain the working and operation of a UJT saw tooth oscillator with a neat diagram.
4. Explain the working and operation of a Monostable MV with a neat diagram.
5. Explain the operation of a Bistable MV with a neat sketch.

Transform and Partial Differential Equation Important Question Papers


Transform and Partial Differential Equation Important Question Papers
MA2211 M3 TPDE Question Papers Collections Download Links


MA2211 M3 May June 2006 Question Paper Regulation 2008 - click here

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Tuesday 27 January 2015

Theoretical Foundations Of Computer Science Important Questions


Theoretical Foundations Of Computer Science Important Questions

CP7201 Theoretical Foundations of computer science notes and E-books downloadprovides ME computer science Regulation 2013 notes,lab manuals

UNIT I- FOUNDATIONS
DOWNLOAD- UNIT I- PPT, NOTES (Has Been UPDATED find the ppt and notes attachment)

UNIT II- LOGIC AND LOGIC PROGRAMMING
DOWNLOAD- UNIT II- PPT, NOTES

UNIT III- LAMBDA CALCULUS AND FUNCTIONAL PROGRAMMING
DOWNLOAD- UNIT III- PPT, NOTES

UNIT IV- GRAPH STRUCTURES
DOWNLOAD- UNIT IV- PPT, NOTES 

UNIT V- STATE MACHINES 
DOWNLOAD- UNIT V- PPT, NOTES


TFCS Model Question Paper Download

UNIT WISE IMPORTANT QUESTIONS (NEW)- Click Here

REFERENCE BOOK DOWNLOAD:

e-books and important questions here we have provided CP7201 Theoretical Foundations Of Computer Science notes.here CP7201 Theoretical Foundations Of Computer Science e-books are posted and students can download the notes and e-books and make use of it. Anna university 2nd semester CP7201 Theoretical Foundations Of Computer Science lecture notes and reference books are given below.


1. Uwe schining "Logic for computer scientists", Birkhauser E-book Download- Click Here


2. M.Ben-ari, "Mathematical logic for computer science" E-book Download- Click Here

3.John Harrison, "Handbook of Practical logic and automated Reasoning" E-book Download- Click Here

4.Greg Michaelson, "An introduction to functional programming through lamba calculus" E-book Download- Click Here

5.Kenneth Slonneger and barry Kurtz, "Formal syntax and semantics of programming languages" E-book Download- Click Here

6.Kenneth H. Rosen, "Discrete Mathematics and its applications" E-book Download- Click Here

7.Sriram Pemmaraju and Steven Skiena, "Computational Discrete Mathematics" 
E-book Download- Click Here

8.M.Huth and M.Ryan, "Logic in computer science - Modeling and reasoning about systems" E-book Download- Click Here

9.Norman L. Biggs, " Discrete Mathematics" E-book Download- Click Here

10. Juraj Hromkovic, "Theoretical Computer Science" E-book Download- Click Here

11. J.E. Hopcroft, Rajeev Motwani, and J.D.Ullman, "Introducation to Automata Theory,Languages and Computation" E-book Download- Click Here



Sunday 25 January 2015

Engineering Drawing Important Question


Engineering Drawing Important Question

Time: 3 hrs
Maximum Marks: 70
Minimum Marks: 22 (D Grade)


Note: Attempt five questions selecting one from each unit. Drawings should have line and dimensioning as per standard convention.


Unit-I


1. a) Construct a scale of R.F = 1:250 to show decimetre and long enough to measure upto 30 m. Mark a distance of 26.8 m on it. 7 Marks


Similar to Example 2.15, Page 2.14 of EG - Basant Agrawal, TMH.





Also, refer Exercise 2 problem 24 page 2.28 of EG - Basant Agrawal, TMH.


1. b) The major axis of an ellipse is 100 mm long and minor axis is 55 mm. Find the Foci and construct the ellipse by intersecting arc method. 7 Marks


Similar to Example 3.26, Page 3.35 of EG - Basant Agrawal, TMH.





OR


2. a) On a building plan, a line 10 cm long represents a distance of 5 m. Construct a diagonal scale for the plan to read upto 6 m, showing metres, decimetres and centimetres. Indicate on your scale the lengths 3.24 m on it. 7 Marks


Similar to Example 2.13 Page 2.13 of EG - Basant Agrawal, TMH.





Also, refer Exercise 2 problem 23 page 2.29 of EG - Basant Agrawal, TMH.


2. b) A coin of 40 mm diameter rolls on a horizontal table without slipping. Draw the path travelled by the point on the circumference of the coin in contact with table when coin completes one complete revolution. 7 Marks


Similar to Example 4.1, Page 4.2 of EG - Basant Agrawal, TMH.





Also, refer Exercise 4 problem 1 page 4.19 of EG - Basant Agrawal, TMH.






Unit-II


3. a) Draw the front view and top view of a point placed at a distance of 25 mm and 20 mm respectively from H.P. and V.P. when it is moved from first quadrant to forth quadrant in anticlockwise direction. 7 Marks


Refer Exercise 6 problem 1 page 6.14 of EG - Basant Agrawal, TMH.


It is a combination of Examples 6.1 to 6.4, Page 6.3 to 6.7 of EG - Basant Agrawal, TMH.


3. b) A line PQ 25 mm long is parallel to H.P. and perpendicular to V.P. The end Q is 10 mm in front of V.P. and the line is 20 mm above H.P. Draw the projections of the line and find its traces.7 Marks


Similar to Example 7.3, Page 7.5 of EG - Basant Agrawal, TMH.





OR


4. The front view and top view of a straight line AB measures 50 mm and 65 mm respectively. Point A is in the H.P. and 20 mm in front of the V.P. and front view of the line is inclined at 45° to the reference line. Determine the true length of AB, true angles of inclination with reference planes and its traces. 14 Marks


Refer Example 7.27, Page 7.34 of EG - Basant Agrawal, TMH.









Unit-III


5. A pentagonal pyramid with 25 mm side base and 65 mm height has one of its slant faces on the horizontal plane and the edge of the base contained by that slant face makes an angle of 25° to the V.P. Draw the projections of the pyramid. 14 Marks


Refer Example 9.31, Page 9.38 of EG - Basant Agrawal, TMH.





OR


6. A square plate of 45 mm side and 40 mm thick is nailed centrally to right square prism of 30 mm side and height 60 mm such that their axes coincide. Draw the projections when axis of the combined solid is parallel V.P. to inclined at 30° to H.P. The two base edges of square plate are parallel to V.P. and edges of prism are parallel to square plate and combination is resting on one of the base edges of square plate. 14 Marks


One should know Example 9.5, Page 9.11 of EG - Basant Agrawal, TMH.






Unit-IV


7. A pentagonal prism side of base 30 mm and axis 60 mm long lies with one of its rectangular faces on H.P. and its axis is inclined at 30° to V.P. A section plane perpendicular to H.P. and parallel to V.P. cuts the prism into two halves. Obtain its top and sectional front view. 14 Marks


Refer Example 10.7, Page 10.11 of EG - Basant Agrawal, TMH









This question appears in the question paper of Dec 2012.

OR


8. A square pyramid side of base 30 mm and axis length 45 mm is resting on its base on H.P. with sides of base equally inclined to V.P. A circular hole of diameter 20 mm is drilled through the pyramid so that axis of the hole is perpendicular to V.P. and parallel to H.P. and intersecting the axis of the pyramid at 12.5 mm above the base. Develop the pyramid. 14 Marks


Similar to Example 11.23, Page 11.26 of EG - Basant Agrawal, TMH.


Also, refer Exercise 11 problem 20 page 11.37 of EG - Basant Agrawal, TMH.









This question appears in the question paper of Dec 2012.




Unit-V


9. a) State five advantages of CAD. 7 Marks


Refer Article 13.2, Page 13.1 of EG - Basant Agrawal, TMH.


9. b) Mention four utility commands and state their basic functions. 7 Marks


Refer Article 13.15, Page 13.15 of EG - Basant Agrawal, TMH.


OR


10. A square pyramid rests centrally over a cylindrical block. Draw the isometric projection of the arrangement if pyramid has a base of 25 mm side and 40 mm long axis whereas the cylindrical block has a base of 50 mm diameter and 25 mm thickness. 14 Marks


Refer Example 12.11, Page 12.15 of EG - Basant Agrawal, TMH.





***

IMPORTANT QUESTIONS IN ENGINEERING DRAWING


IMPORTANT QUESTIONS IN ENGINEERING DRAWING

CONIC SECTIOS:
1 . Construct two branches of a hyperbola when its transverse axis is 50 mm long and foci are 70 mm apart. Locate its directrix and determine the eccentricity.
2. Construct an ellipse of major diameter 120mm and minor diameter 80mm using concentric circle method. 3. Draw the hyperbola when the focus and the vertex are 25 mm apart. Consider eccentricity as 3/2. Draw a tangent and normal to the curve at a point that is 35 mm from the focus.
44 The major axis of an ellipse is 120 mm long and the foci are at a distance of 20 mm from its ends. Draw the ellipse using one-half of it by concentric circles method and the other half by rectangle method.
55 Draw an ellipse when the distance of its focus from the directrix is 60 mm and eccentricity is 2/3. Draw tangent and normal to the curve at a point 40 mm from focus.
6. Draw a parabola in the parallelogram of sides 120 mm and 80 mm, take the longer side as horizontal base. Consider one of the included angles between the sides as 60 degrees.
7. Draw a parabola when span is 80 mm and rise is 30 mm using tangent method.
8. Draw a parabola when span and rise are 100 mm and 80 mm respectively. Draw the curve using rectangle method
9. Draw a path of a ball which is thrown from ground level which reaches a height of 30 m and a horizontal distance of 60 m before return to the ground. Name the curve.
10. Draw the hyperbola when its vertex and its focus are at a distance of 40 mm and 25 mm respectively from the directrix. Plot at least six points.
11. Construct an ellipse of major diameter 120 mm and minor diameter 80 mm using concentric circle method for half of the curve and oblong method for the other half of the curve.
12. The major axis of an ellipse is 120mm long and the foci are at a distance of 20mm from its ends. Draw the ellipse using one-half of it by concentric circles method and the other half by rectangle method.
13. The focus of a hyperbola is 35 mm from its directrix. Draw the curve when eccentricity is 4/3. Draw a tangent and a normal to the curve at a point 30mm from the focus. Trace a conic section when the distance of the focus from the DirectX is 40mm and eccentricity is equal to equal to 9/7. Name the curve. Draw a tangent and normal to the curve from a point on it, which is at a distance of 30mm from the focus.

CYCELOIDS:
1. A circle having a 50 mm diameter rolls within a circle with a 150 mm diameter with internal contact. Draw the locus of a point lying on the circumference of the rolling circle for its complete turn. Name the curve. Also draw a tangent and a normal to the curve, at a point that is 40 mm from the centre of the bigger circle.
2. Draw the locus of a point lying on the circumference of a circle having a 70 mm diameter, which rolls on a circle with a 140 mm diameter with internal contact for one complete rotation.
3. A fixed point is 90 mm from the fixed straight line. Draw the locus of a point P moving in such a way that its distance from the fixed point is twice its distance from the fixed straight line. Name the curve.
4. A circle of 40mm diameter rolls inside the circumference of another circle of 80mm diameter. Draw the locus of any point on the rolling circle for one complete revolution of the rolling circle. Name the curve.
5. A bicycle wheel of 1mt diameter rolls on a straight surface. The point P is on the spoke of the wheel at a distance of 0.2mt from the rim. Draw the locus of the point P for one complete revolution of the wheel. Name the curve.
6. A circular disc of 50mm diameter rolls outside the circumference of another circle of 140mm diameter for one complete revolution without slipping. Trace the path of a point P which is situated at a distance of (a) 30mm from the center of the rolling circle (b) 20mm from the center of the rolling circle. Name the curve.
7. ABC is an equilateral triangle of side 70mm. Trace the loci of vertices A,B and C. when the circle circumscribing ABC rolls without slipping along a fixed straight line, for one complete revolution.
8. A circus man rides a motor cycle inside a globe of diameter 4mts. The motor cycle wheel is 0.8mts in diameter. Draw the locus of a point on the circumference of the motor cycle wheel for its one complete revolution. Name the curve.
INVOLUTES:
1. Draw the path that would be traced by an end of the string, when it is unwound from the circumference of the disc, which is in the form of a square having a 30 mm side surmounted by semicircles on opposite sides.
2. Draw the involute of a hexagon of 25 mm side for one convolution. Draw tangent and normal to the curve from a point on it.

3. An elastic string of length has its one end attached to the circumference of circle of 50 mm diameter. Draw the curve traced by the other end of the string when it is tightly wound round the circle when L=100 mm. Draw a tangent and normal to the curve.
SCALES:
1. The distance between two stations is 130km. a train covers this distance in 2.5 hours. Construct a plain scale to measure time up to a single minute. The RF of the scale is 1:260000. Find the distance covered by the train in 45 minutes.
2. Draw a plain scale of RF 1:40 to read Meters and Decimeters and long enough to measure up to 8m. Show lengths of 4.3m and 6.2m on this scale.
3. The R.F. of a scale is 1/400. Construct the scale to measure a maximum distance of 50 m and show a distance of 37.6 m on it. Name the scale and find length of the scale.
4. The distance between two stations by road is 200 km and it is represented on a certain map by a 5 cm long line. Find the R. F. and construct a diagonal scale showing a single kilometer and long enough to measure up to 600 km. Show a distance of 467 km on this scale.
5. Construct and name the scale of R.F. 1: 250 to show decimeter and long enough to measure up to 30 m. indicate a distance of 28.9 m on it.
6. Construct a diagonal scale of 1:25 to read meters, decimeters and centimeters and long enough to measure 4m. Mark on it a distance of 2.47m.
7. A room of 1728 m3 volume is shown by a cube of 4 cm side. Find the R.F. and construct a scale to measure up to 50 m. Also indicate a distance of 37.6 m on the scale.
8. An area of 400 cm2 on a map represents an area of 25m2 on a field. Construct a scale to measure up to 5 km and capable to show a distance of 3.56 km. Indicate this distance on the scale.
9. The distance between two points on a map is 15 cm. The real distance between them is 20 km. Draw a diagonal scale to measure up to 25 km and show a distance of 13.6 km on it.
10. Construct and name the scale of R.F. 1:250 to show decimeter and long enough to measure up to 30m. Indicate a distance of 28.9 m on it.
11. The R.F.of a scale is 1/400. Construct the scale to measure a maximum distance of 50 m and show a distance of 37.6m on it. Name the scale and find length of the scale.
12. A cube of 5cm sides represents a tank of 1000 m3 volume. Find the R.F. and construct a scale to measure up to 35m and mark a distance of 27 m on it.
13. A line 1 cm long represents a length of 4 decameter. Draw a plain scale and mark a distance of 6.7 m on it. Find RF and length of the scale.
14. An area of 49 sq cm on a map represents an area of 16 m2 on a field. Draw a scale long enough to measure 8 m. Mark a distance of 6 m 9 dm on the scale. Find RF and length of the scale.

15. Construct a diagonal scale showing kilometer, hectometer and decameter in which a 2 cm long line represents 1 km and the scale is long enough to measure up to 7 km. Find R.F. and mark 4 km 5 hm3 dm on it.
POINTS:
1. Two points A and B are in the H.P. the point A is 30 mm in front of the VP. While B is behind the V.P. The distance between their projections is 75 mm and line joining their top views makes an angle of 450 with xy. Find the distance of the point B from the V.P.
2. A point C is 40mm below H.P and 20mm behind V.P, another points D and E are 60mm above H.P and in front of V.P, 90 mm below H.P and 45mm in front of V.P respectively draw the projections of all points on same reference line.


LINES:
1. A line AB, 75mm long is in second quadrant with the end, A in the HP and the end, B in the VP. The line is inclined at 300 to HP and at 450 to VP. Draw the projections of AB and determine its traces.
2. A line PQ is 75 mm long and lies in an auxiliary inclined plane which makes an angle of 450with the H.P. The front view of the line measures 55 mm and the end P is in V.P and 20 mm above H.P. Draw the projections of PQ and find its inclinations with both the planes and their traces.
3. The projections of the ends of a line AB are on the same projector. The end A is 30 mm below H.P and 15 mm behind V.P. The end B is 35 mm above H.P and 40 mm in front of V.P. Determine its true length, traces and the inclinations with the reference planes.
4. A line AB measures 100 mm. The projectors through its V.T and the end A are 40 mm apart. The point A is 30 mm below H.P and 20 mm behind V.P. The V.T is 10 mm above H.P. Draw the projections of the line and determine its H.T and inclinations with H.P and V.P.
5. A line EF 85 long has its ends 25 mm above HP and 20 mm in front of V.P. The top and front views of the line have lengths of 55 mm and 70 mm respectively. Draw the projections of the line and find its true inclinations with the V.P and H.P.
6. The front view of a line AB 80 mm long measures 55 mm while its top view measures 70 mm. End A is in both HP and VP. Draw the projections of the line and find its inclinations with the reference planes. Also locate the traces.
7. The front view of a line AB measures 65mm and makes an angle of 45 with xy. A is in the H.P and the V.T of a line is15 mm below the H.P. The line is inclined at 30 to the V.P. Draw the projections of AB and find its true length and inclination with the H.P. Also locate its H.T.
8. The top view of a 75 mm long line AB measures 65 mm, while the length of its front view is 50 mm. Its one end A is in the H.P and 12 mm in front of the VP. Draw the projections of AB and determine its inclinations with the H.P and the V.P.

9. A 80 mm long line AB is inclined at 450 to the H.P and 300 to the V.P. Its end A is in the H.P. and 40 mm in front of the V.P. Draw its projections keeping the end B in the fourth quadrant.
1. The end point C of an 80 mm long line CD is 15 mm above the H.P. and 10 mm in front of the V.P. The line is inclined at 300 to the H.P. and 450 to the V.P., and the other end point D lies in the second quadrant. Draw its projections and determine its traces.
2. The HT and the VT of a straight line AB is below and above XY respectively. The distance between the HT and the VT as measured parallel to XY is 200mm. The end B of the line is nearer to the VP than the end A. The view from above of the line makes 300 to XY. The end B is 10 mm from the VP and 20 mm from the HP. The distance between the end projectors of the line measures 50mm parallel to XY. Draw the projections of the line.
3. The end A of a straight line AB is 10 mm from the VP and 20 mm from the HP. The end B is 30 mm from the VP and 40 mm from the HP. The VT of the line is 20 mm from the end A as measured parallel to XY. Draw the projections and find the TL and the inclinations of the line.
4. A line PQ, 64 mm long has one of its extremities 20 mm in front VP and the other 50 mm above HP. The line is inclined at 400 to HP and 250 to VP. Draw its top and front views.
5. The projections of a line AB ha 350 inclination in top view and 400 inclination in the front view with an elevation length of 60 mm. If the end A is 10 mm below HP and B is 12 mm behind VP, draw the projections and locate the traces keeping the line in the third quadrant.
6. Line PQ has 72 mm length in the front view and 66 mm length in the top view. The end P is 48 mm below HP and 40 mm behind VP, while the end Q is 12 mm below HP. Draw the projection of the line, locate the traces and determine the true length and inclinations of the line with the reference planes.
7. Line CD is in the second quadrant and has 250 inclination with HP, while the front view has 300 inclination with xy line and 60 mm length. If the end C is 12 mm above HP and the end D is 60 mm behind VP, draw its projections.
8. The projectors of the ends of a line AB are 55 mm apart. The end ‘A’ is 35 mm above HP and 40 mm in front of V.P. The end ‘B’ is 15 mm below the H.P and 45 mm behind V.P. Determine true length and its inclinations with two planes.
9. The top view of a 75 mm long line measures 60 mm, while its front view is 55 mm. Its one end A is 10 mm above H.P and 15 mm in front of V.P. Draw the projections of the line and determine its inclinations with H.P & V.P.
10. A line AB of 75 mm long has its end ‘A’ 20 mm above H.P and 15 mm in front of V.P. The line is inclined at 300 to H.P. and 500 to V.P. Draw the projections find the traces.
11. The mid-point of a straight line AB is 60 mm above H.P and 50 mm in front of V.P. The line measures 80 mm and inclined at 300 to H.P & 450 to V.P. Draw the projections.
12. A line CD 60mm long has its end ‘C’ in both H.P and V.P. It is inclined at 300 to H.P and 450 to V.P. Draw the projections. The end P of a straight line PQ is 20 mm above the H.P. and 30 mm in front of V.P. The end Q is 15 mm below the H.P. and 45mm behind the V.P. If the end projectors are 50 mm apart, Draw the projection of PQ and determine the true length, traces and inclination with the reference planes.

13. The front view of line inclined at 300 to V.P is 65mm long. Draw the projections of a line, when it is parallel to and 40mm above H.P. and one end being 20mm in front of V.P.
PLANES:
1. A thin rectangular plate of sides, 60 mm × 30 mm has its shorter edge in V.P and that shorter edge is inclined at 300 to H.P. Project its top view if its front view is a square of 30 mm long.
2. A hexagonal plate of side, 40mm, is resting on a corner in VP with its surface making an angle of 300 with the VP. The front view of the diagonal passing through that corner is inclined at 450 to the line, xy. Draw the projections of the plate using auxiliary plane method.
3. A thin pentagonal plate of 60 mm long edges has one of its edges in the H.P and perpendicular to V.P while its farthest corner is 60 mm above the H.P. Draw the projections of the plate. Project another front view on Auxiliary Vertical Plane (A.V.P) making an angle of 450 with V.P.
4. A regular hexagonal lamina with its edge 50 mm has its plane inclined at 450 to H.P and lying with one of its edges in H.P. The plane of one of its diagonals is inclined at 450 to XY. The corner nearest to VP is 15mm in front of it. Draw its projections.
5. A regular pentagon lamina of 30 mm side surface is inclined at 300 to V.P and side on which it rests of VP makes at angle of 450 to HP. Draw its projection by auxiliary plane method.
6. An isosceles triangular plane ABC with a 70 mm base and altitude 80 mm has its base in the H.P. and inclined at 450 to the V.P. The corners A and C are in the V.P. Draw its projections and determine the inclination of the plane with H.P.
7. A square lamina is placed such that one of the corners is touching the VP and the diagonal through this is perpendicular to the VP and measures 60mm. The other diagonal appear to be 40 mm in the view from above. Draw the projections and find the inclination of the plane to the ground.
8. A pentagonal plane with a 35 mm side is resting on one of its edges in the H.P. with its surface perpendicular to the V.P. The corner opposite to the edge on which it is resting is 40 mm above the H.P. draw its projections. Also, project another front view on an A.V.P. which is inclined at 450 with the V.P.
9. A pentagon of side 30 mm is resting on an edge in H.P, such that it makes an angle of 500with V.P and its surface makes an angle of 300 with H.P. Draw the projections.
10. A Rhombus of diagonals 120 mm & 80 mm is resting on one of its corners in H.P such that the longer diagonal is inclined at 300 to H.P and the shorter diagonal is parallel to both the planes.
11. A hexagon of 30 mm side is resting on one edge in V.P and making an angle of 300 to H.P. Its surface makes an angle of 450 to V.P. Draw the projections.
12. Draw the projections of a circle of 50 mm diameter having a point on the circumference of the circle in H.P, such that its surface makes an angle of 400 with H.P. and the top view of the diameter passing through that point makes an angle of 300 with V.P. Draw the projections.

13. A regular pentagon of 30mm side has one side on the ground and its plane is inclined at 450 to H.P and perpendicular to V.P. Draw the projections
1. A plate having shape of an isosceles triangle has base 50 mm long and altitude 70 mm. It is so placed that in the front view it is seen as an equilateral triangle of 50 mm sides one side inclined at 450 to xy. Draw its top view.
2. A thin circular plate of 40mm diameter having its plane vertical and inclined at 400 to V.P. Its center is 30mm above H.P. and 35mm in front of V.P. draw the projections.


SOLIDS:
1. A pentagonal pyramid has an edge of the base in the V.P is inclined at 300 to the H.P., while the triangular face containing that edge makes an angle of 450 to the V.P. Draw the three views of the pyramid, if the edge of the base is 30 mm and that of axis is 80 mm.
2. A hexagonal pyramid base 25 mm side and axis 55 mm long has one of its slant edges on the ground. A plane containing that edge and the axis is perpendicular to the H.P and inclined at 450 to the V.P. Draw its projections when the apex is nearer the V.P than the base.
3. A pentagonal pyramid, base 25mm side and axis 50mm long has one of its triangular faces in the V.P. and the edge of the base contained by that face makes an angle of 30 with the H.P. Draw its projections.
4. A tetrahedron of edge 50 mm long is standing on one of its corners on the ground with one of the edges connected with this corner making 600 with the ground and one of the triangular faces connected with this corner making an angle of 300 with the VP. Draw the projection of the object.
5. A triangular prism of base side 40 mm and height 50 mm has its axis inclined at 400 to VP and has a base edge on VP, inclined at 500 to HP. Draw its projections.
6. A rectangular prism of base 40 mm x 30 mm and height 70 mm rests with is longer edge of the base on the VP. If the axis of the prism is inclined to VP at 300 and the front view of the axis is inclined to the xy line at 450, draw the top and
front views.
7. A square pyramid with side of base 40 mm and height 80 mm is suspended freely from a point on a slant edge at distance of 20 mm from its apex. The top view of the axis of the pyramid is inclined at 300 to the xy line. Draw the projections.
8. A right circular cone of base diameter 60 mm and height 80 mm is so placed that diameter KJ of the base is inclined at 500 with HP and the other diameter LM of the base is parallel to both HP and VP. Draw the top and front views of the cone. The diameters KJ and LM are perpendicular to each other.
9. A square pyramid of 30 mm side and 60 mm height is resting on one of its triangular faces in H.P, such that the edge containing that face makes an angle of 300 with V.P. Draw the projections of the pyramid.

10. A Hexagonal pyramid of the base 30 mm and axis 65 mm long is resting on an edge of the base in H.P, and makes an angle of 450 with V.P, and axis of the pyramid makes an angle of 300 with H.P. Draw the projections of pyramid.
1. A tetrahedron of 60 mm long edges is resting on one of edges in H.P and inclined at 400 to V.P, while the face containing that edge is vertical. Draw the projections.
2. Draw the projections of a pentagonal prism, base 25 mm side and axis 50 mm long resting on one of its rectangular faces on H.P., with the axis inclined at 45 degrees to V.P.
3. A pentagonal prism having base with a 30 mm side and a 75 mm long axis, has one of its rectangular faces on H.P. and the axis is inclined at 60 degrees to the V.P. Draw its projections.

4. Draw the projections of a hexagonal pyramid of side of base 30mm and axis 60mm long resting on one of its base edges in H.P with its axis inclined at 300 to H.P. and the top view of axis is 450 to V.P.
SECTIONS AND DEVELOPMENTS
1. A pentagonal pyramid base 30 mm side and axis 60 mm long lying on one of its triangular faces on the HP with the axis parallel to VP. A vertical section plane whose H.T bisects the top view of the axis and makes an angle of 30 degrees with reference line cuts the pyramid removing its top part. Draw the top view, sectional front view and true shape of the section.
A vertical hexagonal prism of 25 mm side of base and axis 60 mm has one of its rectangular faces parallel to VP. A circular hole of 40 mm diameter is drilled through the prism such that the axis of the hole bisects the axis of the prism at right angle and is perpendicular to VP. Draw the development of the lateral surface of the prism showing the true shape of the hole in it.(development)
A square pyramid, base 50mm side and axis 75mm long, is resting on the H.P. on one of its triangular faces, the top view of the axis making an angle30 with the V.P. It is cut by a horizontal section plane, the V.T. of which intersects the axis at a point 6mm from the base. Draw the front view, sectional top view and the development of the sectioned pyramid.
A hexagonal prism side of base 35 mm and height 75 mm is resting on one of its corners on the H.P with a longer edge containing that corner inclined at 600 to the H.P and a rectangular face parallel to the V.P. A horizontal section plane cuts the prism in two equal halves. i) Draw the front view and sectional top view of the cut prism ii) Draw another top view on the auxiliary inclined plane which makes an angle of 450 with the H.P.



5. A cylinder, 65 mm diameter and 90 mm long has its axis parallel to the H.P and is inclined at 300 to V.P. It is cut by a vertical section plane in such a way that the true shape of the section is an ellipse having a major axis, 75 mm long. Draw its sectional front view and true shape of the section.


6. Draw the development of the lateral surface of the truncated triangular pyramid resting on H.P with one of its edges perpendicular to V.P and is cut by a plane inclined at 300 to H.P and the plane is passing through the axis at a distance of 20 mm from the vertex. The edge of the base is 30 mm and the length of the axis is 40 mm


7. A square pyramid, base 50 mm side and axis 75 mm long, is resting on H.P on one of its triangular faces, the top view of the axis making an angle of 300 with V.P. It is cut by a horizontal section plane, the V.T of which intersects the axis at a point 6 mm from the base. Draw the front view, sectional top view and the development of the sectioned pyramid


A cone, base 65 mm diameter and axis 75 mm long, is lying on H.P on one of its generators with the axis parallel to V.P. A section plane which is parallel to V.P cuts the cone 6 mm away from the axis. Draw the sectional front view and the development of the surface of the remaining portion of the cone.
1. A pentagonal prism of base edge 30 mm and height 70 mm is placed with one of its rectangular faces on the ground and the axis parallel to the VP. It is cut by a section plane perpendicular to the VP and inclined at 300 to the ground. It passes through the midpoint of the axis. Develop the remaining surface of the object.


2. Draw the development of the lateral surface of the truncated right circular cylinder of diameter 44 mm and height 70 mm. The tube is placed on HP. A section plane, passing through the geometrical centre of the top face of the tube, perpendicular to VP and inclined at 450 to HP, cuts off the top portion of the tube. A similar section plane making an angle of 300 to HP in the opposite direction cuts the axis at a height of 14 mm from the base


3. A cylinder, with a 60 mm base diameter and a 70 mm long axis, is lying on a generator on the H.P with its axis parallel to the V.P. A vertical section plane, the H.T. of which makes an angle of 300 with the V.P. and passes through a point distant 25 mm on the axis from one of its ends, cuts the cylinder. Draw its sectional front view and obtain the true shape of the section.


4. A hexagonal prism, having a base with a 20mm side and 60mm height is resting on the base in HP such that one of the rectangular faces is parallel to the VP. It is cut by a plane perpendicular to VP and 60 degrees inclined to HP and cutting the midpoint of the axis of the solid. Draw development of lateral surface of the bottom part of the solid.


5. A square prism, having a base with a 30mm side and 60mm height is resting on the base in HP such that one of the rectangular faces is parallel to the VP. It is cut by a plane perpendicular to VP and 60 degrees inclined to HP and bisecting the axis of the solid. Draw development of lateral surface of the bottom part of the solid.


6. A pentagonal prism, having a base with a 30mm side and 60mm height is resting on the base in HP such that one of the rectangular faces is parallel to the VP. It is cut by a plane perpendicular to VP and 45 degrees inclined to HP and cutting the axis of the solid 10mm from the top. Draw development of lateral surface of the bottom part of the solid.

7. A hexagonal pyramid, having a base with a 20mm side and 50mm height is resting on the base in HP such that one of the base sides is parallel to the VP. It is cut by a plane perpendicular to VP and 60 degrees inclined to HP and bisecting the axis of the solid. Draw development of lateral surface of the bottom part of the solid.


8. A square pyramid, having a base with a 30mm side and 60mm height is resting on the base in HP such that one of the base sides is parallel to the VP. It is cut by a plane perpendicular to VP and 45 degrees inclined to HP and cutting the axis of the solid 20mm from top. Draw development of lateral surface of the bottom part of the solid.
A square pyramid, having a base with a 40 mm side and a 60 mm long axis, is resting on its base on the ground with all the edges of the base equally inclined to the V.P. It is cut by an A.I.P. such that true shape of the section is an equilateral triangle of largest side. Draw the sectional top view and true shape of the section.



2. A cone with base circle diameter 50mm and 60mm height is resting on the base in HP. It is cut by a plane perpendicular to VP and 60 degrees inclined to HP and bisecting the axis of the solid. Draw development of lateral surface of the bottom part of the solid.


INTERSECTIONS OF SOLID
1. A cone of base diameter 70 mm and altitude 80 mm is resting on HP on its base. It is penetrated by a cylinder of diameter 30 mm and the axis is parallel to both HP and VP. The axis of the cylinder is situated at a distance 20 mm above the base of the cone and 5 mm away from the axis of the cone and is towards the observer. Draw the curves of intersection of the solids.

2. A cylinder of diameter 30 mm penetrates into a cylinder of diameter 60 mm. Their axes intersect each other at an angle of 60°. Draw the front view and top view of the solids showing the curves of intersection.

3. A vertical cylinder 70mm diameter is penetrated by another cylinder of the same size and its axis is parallel to both HP and VP. Axis of vertical cylinder is 10mm away from the axis of horizontal cylinder. Draw the projections showing curves of intersection.


4. A cone, diameter of base 90 mm and altitude 80mm rests with its base on ground. A vertical cylinder of 40 mm diameter has its axis 5 mm in front of that of the cone and the axes are contained in a plane making an angle of 30 degrees with the VP. Draw the curves of penetration of the surface.

5. A vertical cone 80 mm diameter of base and axis 100 mm long is penetrated by a vertical cylinder of 60 mm diameter and 100 mm long such that the top circular end of the cylinder contains the apex of the cone and a plane perpendicular to both HP and VP containing the axes of both the solids and the axis of the cylinder is at a distance of 10 mm from the axis of the cone and is towards the observer. Draw the top and front view of the solids showing the curves of intersection.

6. A vertical square prism with 50 mm sides and 100 mm length has its side faces equally inclined to the VP. It is completely penetrated by a horizontal cylinder 60 mm in diameter and 100 mm in length. The axes of the two solids bisect each other perpendicularly. Draw the projections showing curves of intersection when the plane containing the two axes is parallel to the VP.

7. A cylinder of 60 mm diameter having its axis vertical is penetrated by another cylinder of 40 mm diameter. The axis of the penetrating cylinder is parallel to VP and bisects the axis of the vertical cylinder marking an angle of 60° with it. Draw the orthographic projections showing the curves of intersection.

8. A cylinder of diameter 50 mm penetrates fully into a cone of base diameter 80 mm altitude 110 mm, which is resting on its base on HP. The axis of the cylinder intersects the axis of the cone at right angles at a height of 30 mm above the base of the cone. The axis of cylinder is parallel to both the planes. Draw the projections of the solids showing the curves of intersection.

9. A cylinder of diameter 44 mm pierces through a vertical cylinder of diameter 44 mm. The axis of the piercing cylinder is parallel to both the HP and VP. The axes are separated by distance of 6 mm, the axis of the horizontal cylinder being nearer to the observer. Draw the curves of intersection.

A A vertical cylinder 80mm diameter is penetrated by another cylinder of the same size and its axis is parallel to both HP and VP. Axis of vertical cylinder is intersecting the axis of horizontal cylinder. Draw the projections showing curves of intersection.

1. A horizontal cylinder 40 mm diameter and axis length 75 mm centrally penetrates vertical cylinder 50 mm as base diameter. Draw the plan and elevation, showing curves of intersection. Assume the axis of the horizontal cylinder is parallel to VP.


2. A horizontal cylinder of 50 mm diameter penetrates a vertical cylinder of 75 mm diameters resting on HP. The two axes are coplanar. The axis of the horizontal cylinder is 50 mm above the HP. Draw the projection showing the curves of intersection.


3. A vertical cylinder of 60 mm diameter and 80 mm height is penetrated by a horizontal cylinder 40 mm diameter and 80 mm long. The axis of the penetrating cylinder is parallel to VP and 6 mm in front of the axis of the vertical cylinder. Draw the projections and show the intersection curve.


ISOMETRICS PROJECTIONS
1. A hexagonal prism of base edge 30 mm and height 70mm long is resting on its rectangular face on the ground with its axis parallel to the VP. A square prism of 20 mm base edge and height 40 mm rests on its base on the top rectangular face of the hexagonal prism. The axis of the square prism intersects and bisects the axis of the hexagonal prism when produced. One of the base edges of the square prism is parallel to the VP. Draw an isometric projection of the set up.
2. A pentagonal prism of base edge 30mm and 50mm long rests on its longer edge on the ground with the face opposite to this edge parallel to the ground. A cube of 25mm edge rests on this face on one of its faces. Two adjacent base edges of the cube make equal inclinations to one of the longer edges of the face parallel to the ground. A sphere 30mm diameter rests centrally on the top of the cube. Draw the isometric projections of the arrangement of the solids
3. A sphere with a 50 mm diameter rests centrally over a cube with a 60 mm side. Draw its isometric projection
4. Draw the isometric view of the object whose orthographic projections are shown in figure.


5. Draw the isometric view of a Door-Steps having three steps of 22cm tread and 15cm rise. The steps measure 75cm widthwise.
6. A solid is in the form of a cylinder of base diameter 50 mm up to a height of 60 mm and thereafter tapers into a frustum of a cone of top diameter 30 mm. The total height of the solid is 90 mm. Draw the isometric projection of the solid.
7. A masonry pillar is in the form of a frustum of a hexagonal pyramid. The pillar is of 2 m height and side of its base and top base are 0.5 m and 0.3 m respectively. Draw its isometric projection.
8. Draw isometric view of a cylinder of base diameter 55 mm and axis length 65 mm when the axis of the cylinder is (i) vertical (ii) horizontal.
9. Draw an isometric view of a hexagonal prism having a base with 25 mm side and a 65 mm long axis, which is lying on its face in the H.P. with axis parallel to both H.P. and V.P.
10. A vertical cylinder of base diameter 50 mm and height 70 mm is cut by a plane inclined at 550 to HP and perpendicular to VP, which meets the axis at a distance of 20 mm from top base. Draw the isometric view of the remaining portion of the cylinder.
11. A square pyramid having a side of 50 mm base and 75 mm as axis height stands centrally on circular block of 100 mm diameter and 50 mm thick. The base edges of the pyramid are parallel to VP. Draw the isometric projection of the two objects.
12 A pentagonal pyramid of base of side 30 mm rests on the top of a pentagonal prism of side 30 mm, with their sides coinciding with each other. The solid stands on HP with one of the sides of the base perpendicular to the VP. The height of prism = 40 mm. The height of pyramid = 50 mm. Draw the isometric projection of the solid.
13 A frustum of a cone 30 mm as top diameter, 50 mm as bottom diameter and 60 mm long is placed vertically on a square slab of side 70 mm and 30 mm thick, such that both the solids have the common axis. Draw the isometric projection of the combination of solids.
14 Draw an isometric projection of a frustum of the pentagonal pyramid with a 40 mm base side, 20 mm top side and 35 mm height resting on its base in the H.P.
15 A hexagonal prism with a 30 mm base and 45 mm axis has an axial hole with a 30 mm diameter. Draw its isometric projection. When its axis is perpendicular to H.P. and two Rectangular faces are parallel to V.P.
16 A square prism, side of base 4 cm and 8 cm long rests centrally on a cylindrical slab 6cm diameter and 3 cm thick. Draw the isometric projection of the solid.
17 A cone of base diameter 30 mm and height 40 mm rests centrally over a cube of sides 50mm. draw the isometric projection of the combination of solids.
18 A sphere of diameter 45 mm rests centrally over a frustum of cone of base diameter 60 mm. top diameter 40 mm and height 60 mm. draw isometric projections of the Combination of solids.
19 A hexagonal pyramid of base side 30 mm and axis length 70 mm is resting on HP on its base with a side of base parallel to VP. It is cut by a plane inclined at 40° to HP and perpendicular to VP and bisects the axis. Draw the isometric view of the lower part of the pyramid.
20 A triangular pyramid having base with a 60 mm side and an 80 mm long axis is resting on its base in the H.P. with a side of base perpendicular to the V.P. It is cut by an A.I.P. making an angle of 450 with the H.P. and bisecting the axis. Draw its isometric view of the bottom portion.(UPDATED)
21 A sphere with a 50 mm diameter rests centrally over a cube with a 60 mm side. Draw its isometric projection.
22 The frustum of a sphere with a 80 mm diameter and frustum circle with a 50 mm diameter is used as a paper weight. Draw its isometric projection.
23 A sphere of 60mm diameter is intersected by a cylinder of 30mm diameter. The axis of the cylinder passes through the centre of the sphere. The tip of the axis of the cylinder is 70mm from the centre of the sphere. Draw the isometric projection of the objects when the axis of the cylinder is parallel to both the VP and the HP.
24 A hexagonal prism having base with a 30 mm side and a 70 mm long axis is resting on its base on the H.P. with a side of base parallel to the V.P. It is cut by an A.I.P. making 450with the H.P. and bisecting the axis. Draw its isometric projection.
13. Draw the isometric view of a cylinder of 60 mm height and diameter 44 mm, lying on one of its generators on HP with the axis perpendicular to VP. Select the origin of the isometric axes suitable to get the front view on the right isometric plane.
25. A cylinder of diameter 50 mm base and 70 mm height is resting upon its base on HP. A section plane of 600 inclination to Hp cuts the axis of the cylinder at a height of 55 mm from the base. Draw the isometric view of the cylinder showing the sectioned surface.
26 A pentagonal pyramid of height 60 mm and side 28 mm is resting on HP, keeping its axis vertical and one edge of the base parallel to VP. Draw isometric view of the solid.


PERSPECTIVE PROJECTIONS
1. A rectangular prism of 110X70X40 mm size is lying on its 110X70mm rectangular face on the ground plane with a vertical edge touching the PP and the end faces inclined at 500 with PP. the station point is 80mm in front of the PP, 65mm above the ground plane and 40mm to the right of the vertical edge that touches the PP. draw the perspective view of the prism.


2. A hexagonal prism side of base 30mm and 65mm long rests with its base on the ground. The nearest vertical edge is 10mm to the left of the eye and 15mm behind the PP. one of the faces containing the edge recedes 450 to the PP, towards the left. The eye is 150mm from the picture plane and is at a height of 801mm. draw the perspective view of the prism.
3. A square pyramid 45mm base edge and 50mm axis rests on its base on the ground such that two parallel base edges recede at 300 to the right of the PP with the nearest corner of the base 10mm behind the PP. the station point is 40mm in front of the PP, 70mm above the GP and 10mm to the right of the nearest corner. Draw the perspective view of the solid.


4. Draw the perspective view of a frustum of a square pyramid with 40mm edges at the base, 30mm at the top, and 50mm in height. The frustum is resting on its base with base edges equally inclined to the PP and one of the base corners touching it. The station point is 80mm in front of the PP, 15mm to the left of the axis of the frustum, and 60mm above the ground plane.


5. Draw the perspective view of a square prism of base 10 cm side and 12 cm height. The nearest edge of the base is parallel to and 3 cm behind the picture plane. The station point is situated at a distance of 30 cm from the picture plane and 6 cm above the ground plane and 20 cm to the right of the apex.


6. Draw the perspective view of a pentagonal prism, lying on the ground plane on one of its rectangular faces, the axis being inclined at 300 to the picture plane, and a corner of the base touching the picture plane. The station point is 6.5 mm in front of the picture plane and lies in the central plane which bisects the axis. The horizon is at the level of the top edge of the prism.


7. A model of steps has three steps of 10 mm tread and 10 mm rise. The length of the steps is 60mm. The model is placed with the vertical edge of the first step touching the PP and its longer edge inclined at 30o to PP. The station point is 70 mm in front of PP, 55mm above the ground plane and lies in a central plane which is at 30 mm to the right of the vertical edge touching the PP. Draw the perspective view.


8. A cube of edge 30 rests with one of its faces on the ground plane such that a vertical edge touches the PP. The vertical faces of the cube are equally inclined to PP and behind it. A station point is 40 mm in front of the PP, 50 mm above the ground plane and lies in a central plane 15 mm to the right of the axis of the cube. Draw the perspective view.


9. Draw the perspective view of a pentagonal prism lying on the ground plane on one of its rectangle faces, the axis being inclined at 38 the picture plane and a corner of the base touching the picture plane the station point is 6.5 cm in front of the picture planes and lies in a central plane which bisects the axis. The horizon is at the level of the top edge of the prism.


10. A rectangular prism of base edges 60mm × 40mm and height 80mm is resting on its broader rectangular face on the ground with the base parallel to the PP. The PP bisects the axis of the object. The station point is on the central line of the object 80mm in front of the PP and 70mm above the ground. Draw the perspective projection of the object.

1). A cylinder of base diameter 50mm and height 80mm is resting on the ground on its base. The object is placed in front of the PP with one of its generators touching the PP. When the base is enclosed in a square, one of the edges of this square makes 40° with the PP. The station point is directly in front of the generator which is touching the PP and 70mm in front of it. The horizon plane is 40mm above the ground. Draw the perspective projection of the object.

2). A square plane with a 60 mm side lies on the GP with the edge nearer to the observer lying in the PP. The station point is 50 mm in front of PP, 60 mm above GP, and lies in a CP which is 50 mm towards right of the centre of the object. Draw its perspective view.

3). A triangular pyramid of base edges 40mm long and axis 70mm is resting on one of the base edges on the ground with the base being parallel to the PP. The apex is nearer to the PP and 20mm behind it. The station point is 50mm to the right of the axis and 60mm from the PP. The horizon is 70mm from the ground. Draw the perspective view of the object.

4). A pentagonal prism, side of base 25 mm and axis 60 mm long, lies with one of its rectangular faces on the ground plane such that a pentagonal face is touching the picture plane. The station point is 20 mm in front of the picture plane, 55 mm above the ground plane and lies in a central plane which is at 80 mm to the right of the centre of the prism. Draw the prospective view.

5). Draw the perspective view of a square pyramid of base 10 cm side and height of the apex 12 cm. The nearest edge of the base is parallel to 3 cm behind the picture plane. The station point is situated at a distance of 30 cm from the picture plane, 6 mm above the ground plane and 20 cm to the right of the apex.

6). A hexagonal plane of 25 mm stands vertically on the ground plane and inclined at 400 to the picture plane. The corner, nearest to picture plane is 25 mm behind it. The station point is 35 mm in front of the picture plane, 45 mm above the ground plane and lies in central plane which passes through the centre of the plane. Draw the perspective view of the plane.

7). A model of steps has three steps of 10 mm tread and 10 mm rise. The length of the steps is 60 mm. The model is placed with the vertical edge of the first step touching the PP and its longer edge inclined at 300 to PP. The station point is 70 mm in front of PP, 55 mm above the ground plane and lies in a central plane
which is at 30 mm to the right of the vertical edge touching the PP. Draw the perspective view.

8). Draw the perspective projection of a hallow cylinder of 60 mm external diameter and 80 mm long, with a wall thickness of 10 mm. It is resting on a generator on the ground, with its axis inclined at 60o to and touching the PP.

EDP IMPORTANT QUESTIONS


EDP IMPORTANT QUESTIONS

PROJECTION OF LINES:

1. The HT and the VT of a straight line AB is below and above XY respectively. The distance between the HT and the VT as measured parallel to XY is 200 mm. The end B of the line is nearer to the VP than the end A. The view from above of the line makes 30° to XY. The end B is 10 mm from the VP and 20 mm from the HP. The distance between the end projectors of the line measures 50 mm parallel to XY. Draw the projections of the line. (R09mech june2010set2)

2. The HT and the VT of a straight line coincides with each other and 20 mm away from one of the ends as measured parallel to XY. The distance between the end projectors of the line measured parallel to XY is 50 mm. Draw the projections. Find the TL and the true inclinations of the line. The end nearer to the HT and the VT is 15 mm from the VP and 25 mm from the HP. (R09mech june2010set1)

3. A room has the dimensions 6m ×4m ×3m. Two nails are driven on two adjacent walls at heights of 2.5m and 1.5m from the ground respectively. One nail is 3m away and another is 2m away from the common edge of the walls. Find graphically the minimum length of the thread required to connect the nails. What is the inclination of the thread to the ground and to the wall? (R09mech june2010set3)

4. The seat of a stool is a square 450 mm by 450 mm. Four legs from the corners of the stool spread out and form the corners of a square 600 mm by 600 mm on the flat ground. The height of the stool from the ground is 500 mm. Find the TL and inclination of any one of the legs w.r.t the ground.

5. Three pegs are arranged on a flat ground on the circumference of a circle of diameter 3000 mm. The pegs when joined by straight lines form an equilateral triangle. A post 6000 mm high is fixed vertically on the ground at the centre of the circle. The pegs are connected to the top of the post by tight ropes. Find the TL and inclination of all the ropes with the ground. (R09ECE june2010set3)

6. A Four pegs are fixed one at each corner of a regular pentagon of 1500 mm side drawn on a flat ground. A post 5000 mm high is fixed erect on the blank corner of the pentagon. The tip of the post is connected to each peg by a tight rope. Find the TL and inclinations of each rope.

7. Two pillars A and B 8 m and 6 m high are separated by a distance of 8 m as seen in the view from the front as measured parallel to XY. In the view from the left they appear to be separated by a distance of 5 m as measured perpendicular to XY. A wire is tightly tied to the top ends of the poles A and B. Find the true length of the wire. (R09ECE june2010set1)

8. A line PQ 75 mm long , has its end P in the V.P. and the end Q in the H.P. The line is inclined at 30° to the H.P. and at 60° to the V.P. Draw its projections.
A line AB, 75 mm long is in the second quadrant with the end A in the H.P. and the end B is in the V.P. The line is inclined at 30° to the H.P. and at 45° to the V.P. Draw the projections of AB and determine its traces.

9. The front view of a line AB measures 65 mm and makes an angle of 45° with XY. A is in the H.P. and the V.T. of the line is 15 mm below the H.P. The line is inclined at 30° to V.P. Draw the projections of AB and find its true length and inclination with the H.P. Also locate its H.T.

10. A line PQ, 100 mm long, is inclined at 45° to the H.P. and at 30° to the V.P. Its end P is in the second quadrant and Q is in the fourth quadrant. A point R on PQ, 40 mm from P is in both the planes. Draw the projections of the PQ.

PROJECTIONS OF PLANES:

1. A semicircular plate of 80 mm diameter has its straight edge in the V.P. and inclined at 45° to the H.P. The surface of the plate makes an angle of 30° with the V.P. Draw the projections.

2. Draw the projections of a circle of 80 mm diameter having the end A of the diameter AB in the H.P. the end B in the V.P. and the surface is inclined at 30° to the H.P. & 60° to the V.P.

3. ABCDE is a regular pentagonal plate of 40 mm side and has its corner A on H.P. The plate is inclined to H.P. such that the top view lengths of edges AB and AE are each 35 mm. The side CD is parallel to the both the reference planes. Draw the projections of the plate and find its inclination with H.P.

4. A circular plane of 60mm diameter, rests on V.P on a point A on its circumference. Its plane is inclined at 45° to V.P. Draw the projections of the plane when
(a) The front view of the diameter AB makes 30° with H.P. and
(b) The diameter AB it self makes 30° with H.P. (EEE, May.2008 Reg. Set:2)

5. A plate having shape of an isosceles triangle has a base of 50mm long and altitude 70 mm. It is so placed that in the front view it is seen as an equilateral triangle of 50 mm sides one side is inclined at 45° to XY. Draw its top view. . (IT,May. 2008 Reg. Set:4)

PROJECTIONS OF SOLIDS:

1. A tetrahedron of 5 cm long edges is resting on the ground on one of its faces, with an edge of that face parallel to the V.P. Draw its projections and measure the distance of its apex from the ground.

2. Draw the projections of a square pyramid having one of its triangular faces in the V.P. and the axis parallel to and 40 mm above the H.P. base 30 mm side, axis 75 mm long.

3. Draw the projections of a cone, base 50 mm diameter and axis 75 mm long lying on a generator on the ground with the top view of the axis making an angle of 45° with the V.P.

4. Draw the projections of a hexagonal prism of base 25 mm and axis 60 mm long, when it is resting on one of its corners of the base on H.P. The axis of the solid is inclined at 45° to H.P.

5. A hexagonal pyramid base 25 mm side and axis 50 mm long has an edge of its base on the ground. Its axis is inclined at 30° to the ground and parallel to the V.P. Draw its projections

EDP IMPORTANT QUESTIONS Important Concepts


Engineering Drawing IMPORTANT QUESTIONS And Important Concepts

01 - Introduction 06
01.01 Importance of Engineering Drawing as graphic communication. Link between engineering drawing and other subjects of study in diploma course.
01.02 I. S. specification for preparation of drawings.
01.03 Use of drawing instruments and materials. Basic Tools- classification and brief description.
01.04 Special Tools: Mini-drafter. Drafting Machine.
01.05 Scales, Recommended, reduced and enlarged scale.
01.06 Lines, Types of lines, Selection of line thickness.
01.07 Selection of Pencils.
01.08 Drawing sheets, different sheet sizes and standard layouts. Title block as per I.S. specification.
01.09 Care and maintenance of drawing material.
02 - Lettering, Numbering and Dimensioning 12
02.01 Importance of lettering. Different types of lettering as per I. S. code. Capital and small letters of vertical and slanting type as per I. S. code.
02.02 Numerical figures of vertical and slanting type as per I. S. code. Single stroke and double stroke, advantages.
02.03 Necessity of dimensioning. Principles and method of dimensioning and dimensioning practice as per I.S.I. code.
02.04 Making of Centre Line, Section Line, Dimensioning Lines, etc.
02.05 Drawing of plain and diagonal scales and dimensioning practice.
03 - Conic Section 24
03.01 Concept of Drawing and concept of conic section and its simple properties.
03.02 Concept of ellipse and its construction by various methods. Drawing of tangent and normal on ellipse.
03.03 Concept of parabola and its construction by various methods. Drawing of tangent and normal to parabola.
03.04 Concept of hyperbola and its construction by various methods. Drawing of tangent and normal to hyperbola.
03.05 Concept of spirals; construction of Logarithmic & Archemerian spirals. To draw tangent and normal to the curves.
04 - Orthographic Projections 39
04.01 Principles of orthographic projection. Concept of horizontal, vertical and auxiliary planes. 1st angle and 3rd angle projection.
04.02 Projection of points on horizontal, vertical and auxiliary planes and its implication.
04.03 Projection of lines on different planes, Length of line and its true inclination with different planes and its traces.
04.04 Concept of orthographic projection of planes.
05 - Section Views and Auxiliary Views 12
05.01 Concept of sectioning and drawing section lines, Need for drawing sectional views.
05.02 Section of simple geometrical solids-cases involving different types of cutting planes.
05.03 Conventional representation of materials as per I.S. Code.
06 - Isometric, Pictorial and Oblique Drawing 18
06.01 Introduction to pictorial drawing. Brief description of different types of pictorial drawing viz Isometric, oblique and perspective and their applications.
06.02 Concept of Isometric views. Isomeric Projection and Isometric Scale.
06.03 Isometric Projection of simple solids, frustum of solids, truncated solids and sets of simple solids.
06.04 Concept of oblique and perspective views.
06.05 Simple drawing of oblique views.
07 - Development of Surfaces 09
07.01 Development of surfaces of Cylinders, Prisms, Pyramids, cones and their frustum and truncated objects.

REGULATION 2013 – B tech 1st Semester Study Material And Important Questions


REGULATION 2013 – 1st Semester Study Material
Regulation 2013 UG Study Materials – Syllabus Notes Important Questions
2 marks with answers Question Papers
REGULATION 2013 – B tech 1st Semester Study Material And Important Questions 

Subject Names
Syllabus
Notes
2 Marks with Answers
Questions Papers


HS6151 Technical English I
HS6151 2 marks with answers*


MA6151 Mathematics I


PH6151 Engineering Physics I


CY6151 Engineering Chemistry I


GE6151 Computing Programming


GE2162 Engineering Graphics
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