PTU BTME102 Engineering Drawing Dec 2011 Question Paper

BE (First/Second) Semester Exam(Common to all Branches)
Time: 3 hrs
Maximum Marks: 60

Instruction to Candidates:

1. Section A is compulsory.
2. Attempt any five questions from Section B and C.
3. Select atleast Two questions from Section B and Two from Section C.

SECTION A (Marks: 2 each)

1. a) How do we classify lettering and state what is GOTHIC LETTERING.

Ans: Refer article 7.5 page 7.3 of ED - Basant Agrawal, TMH.

b) Name the systems of dimensioning and show one of them with free hand Drawing.
Ans: Refer Fig. 7.9(b) page 7.8 of ED - Basant Agrawal, TMH.

c) Name the different sizes of scale and give example of enlarging scale.
Ans: Refer article 11.2 page 11.2 of ED - Basant Agrawal, TMH.

d) What do you mean by ORTHOGRAPHIC projections?

Ans: Draw article 2.5 page 2.3 of ED - Basant Agrawal, TMH.
e) Draw free hand the Isometric scale.

Ans: Refer article 4.1 page 4.1 of ED - Basant Agrawal, TMH.
f) Differentiate between First Angle and third angle projection.

Ans: Refer article 2.8 page 2.6 of ED - Basant Agrawal, TMH.
g) What are the principal planes of projections show them with free hand sketch?

Ans: Refer article 2.11 page 2.7 of ED - Basant Agrawal, TMH.
h) How the solids are divided. Give some examples of Regular polyhedra.

Ans: Refer article 2.12 page 2.8 of ED - Basant Agrawal, TMH.
i) What do you mean by True section of a solid.

Ans: Refer Fig. 11.5 page 11.3 of ED - Basant Agrawal, TMH.
j) How do use the development in the practical life.

Ans: Refer problem 9.1 page 9.2 of ED - Basant Agrawal, TMH.

SECTION B (Marks: 8 each)

2. Draw the Front view (F), Top view (T) and Left side view (L) by the First angle projection of the solid shown below:

Ans: Refer article 4.11 page 4.9-4.16 of ED - Basant Agrawal, TMH.

3. Draw the projections of the following points in First Angle projection.
a) Point A lies in HP and 30 mm in front of VP.
b) Point B lies in VP and 30 mm above HP.

Ans: Refer chapter 9 of ED - Basant Agrawal, TMH.

4. A straight line AB, 60 mm long makes an angle of 30° to HP and 60° to VP. The one end of the line AB lies in HP and is 20 mm in front of VP. Draw its Projections.

Ans: Refer problem 11.16 page 11.19 of ED - Basant Agrawal, TMH.
5. A hexagonal prism base edge 25 mm and height 50 mm is resting on an edge of its base on HP in such a manner that the base makes an angle of 45° with HP. Draw its projections.

Ans: Refer problem 12.7 page 12.10 of ED - Basant Agrawal, TMH.

SECTION C (Marks: 8 each)

6. A square pyramid, base edge 25 mm and height 50 mm is resting on its base in HP in such a way that one of its base edges makes an angle of 30° with the VP. It is cut by a sectional plane parallel to HP and passing at a distance of 25mm from the base along the axis. Draw the front view and sectional top view.

Ans: Refer Fig. E7.10 page 7.15 of ED - Basant Agrawal, TMH.
7. A vertical cylinder 50 mm diameter and height 70 mm standing on its base in HP, is completely penetrated by a horizontal cylinder of the same diameter and length. Their axes bisects each other at right angles and are parallel to VP. Draw the projections showing lines of interpenetration.

Ans: Refer article 15.19 page 15.16 of ED - Basant Agrawal, TMH.
8. A right cylinder of 30 mm diameter and 50 mm height of axis is cut by a sectional plane inclined at 30° to HP and passing 20 mm from base. Draw the development of the truncated cylinder.

Ans: Refer problem 13.39 page 13.33 of ED - Basant Agrawal, TMH.
9. A cube of 40 mm side rests centrally on a square block of 70 mm edges and 30 mm thick. Draw the isometric view of the two objects with edges of the two blocks kept parallel to each other.

Ans: Refer problem 14.2 page 14.3 of ED - Basant Agrawal, TMH. 

PTU ME102 Engineering Drawing May 2011 Question Paper for sem II

BE (First/Second) Semester Exam(Common to all Branches)
Time: 3 hrs
Maximum Marks: 60

Instruction to Candidates:

1. Section A is compulsory.
2. Attempt any five questions from Section B and C.
3. Select atleast Two questions from Section B and Two from Section C.

SECTION A (Marks: 2 each)

1. a) Draw the symbol of first angle and third angle projections.

Ans: True. Refer article 8.4 page 8.2 of ED - Basant Agrawal, TMH.

b) Show the unidirectional system of dimensioning with the help of a sketch.
Ans: Refer article 2.8 page 2.6 of ED - Basant Agrawal, TMH.

c) Draw the centre line and a cutting plane line.
Ans: Refer problem 10.11 page 10.11 of ED - Basant Agrawal, TMH.

d) Show the true angle of a line inclined to HP and parallel to VP.

Ans: Prism. Refer Fig. 11.2 page 11.2 of ED - Basant Agrawal, TMH.
e) Define an Auxillary plane and name them.

Ans: Triangle. Refer Fig. 11.4(b) page 11.3 of ED - Basant Agrawal, TMH.
f) Show the frustum of a CONE.

Ans: Refer Fig. 11.6 page 11.4 of ED - Basant Agrawal, TMH.
g) AWhat do you mean by solids of revolution?

Ans: Pyramid. Refer Fig. 11.3 page 11.3 of ED - Basant Agrawal, TMH.
h) Differentiate between a prism and pyramid with the help of a sketch.

Ans: Parallel. Refer article 12.4.3 page 12.6 of ED - Basant Agrawal, TMH.
i) What do you mean by parallel line development.

Ans: Radial line method. Refer article 13.3 page 13.1 of ED - Basant Agrawal, TMH.
j) Draw free hand sketch of an isometric scale.

Ans: Curve. Refer problem 14.9 page 14.10 of ED - Basant Agrawal, TMH.

SECTION B (Marks: 8 each)

2. Construct a diagonal scale to measure 0.01 and 0.1 of a metre and long enough to measure upto 6 metres when one metre is represented by 2.5 cms. Find RF and indicate on the scale a distance of 5.55 metres.

Ans: 45 degree, reference. Refer article 7.18 page 7.17 of ED - Basant Agrawal, TMH.

3. A straight line AB is 60 mm long. It makes an angle of 25° to HP and 55° to VP. The end A is in the VP and 20 mm above HP. Draw its projections in first angle.

Ans: Refer Problem 9.52 page 9.53 of ED - Basant Agrawal, TMH.

4. A cone of diameter 60 mm and height 60 mm is resting in the HP on one of its generators. Draw its projections if its axis is kept parallel to VP.

Ans: Refer problem 11.45(b) page 11.45 of ED - Basant Agrawal, TMH.
5. A square prism with a base side of 45 mm and an axis length of 90 mm is resting in HP in such a way that its vertical faces are equally inclined to the VP. A vertical sectional plane passing through the mid points of two adjacent sides of the base (away from XY) cuts the prism. Draw its projections.

Ans: imilar to problem 12.19 page 12.21 of ED - Basant Agrawal, TMH.

SECTION C (Marks: 8 each)

6. A hexagonal prism of side of base 25 mm and length of axis 60 mm is kept on the ground on its base such that the two opposite side of the base are parallel to the VP. It is cut by an AIP inclined at 45°. to HP and passing through one of the top comers of the prism. Draw the development of the surface of the cut prism.

Ans: Refer problem 15.20 page 15.16 of ED - Basant Agrawal, TMH.
7. A vertical square prism with a 60 mm base side and an 80 mm axis length is coinpletely penetrated by a horizontal square prism with a 40 mm base side and 100 mm axis length such that their axes bisect each other. The faces of the prism are equally inclined to VP. Draw its projections.

Ans:
8. Draw the isometric view of the three squares of sides each 60 min, 20 mm and 40 mm placed one over the other centrally and in the order as mentioned i.e. 60 mm, 20 mm & 40 mm.

Ans: Refer article 13.6 page 13.6 of ED - Basant Agrawal, TMH.

9. Draw elevation in the direction of aITow, plan and right hand side view of the given figure in First angle projection show all dimensions in unidirectional system of dimensioning.

Ans: Refer Problem 14.6 page 14.7 of ED - Basant Agrawal, TMH.

PTU ME102 Engineering Drawing May 2011 Question Paper for sem 1

BE (First/Second) Semester Exam(Common to all Branches)
Time: 3 hrs
Maximum Marks: 60

Instruction to Candidates:

1. Section A is compulsory.
2. Attempt any five questions from Section B and C.
3. Select atleast Two questions from Section B and Two from Section C.

SECTION A (Marks: 2 each)

1. a) What do you understand by auxiliary vertical plane?

Ans: True. Refer article 8.4 page 8.2 of ED - Basant Agrawal, TMH.

b) Draw the symbol of third angle projection system.
Ans: Refer article 2.8 page 2.6 of ED - Basant Agrawal, TMH.

c) Why is it not possible to make a drawing using fourth angle projection system?
Ans: Refer problem 10.11 page 10.11 of ED - Basant Agrawal, TMH.

d) Draw any two types of lines and give their applications.

Ans: Prism. Refer Fig. 11.2 page 11.2 of ED - Basant Agrawal, TMH.
e) What is an enlarging scale? Give an example.

Ans: Triangle. Refer Fig. 11.4(b) page 11.3 of ED - Basant Agrawal, TMH.
f) Explain the method of dimensioning a circle with the help of an example.

Ans: Refer Fig. 11.6 page 11.4 of ED - Basant Agrawal, TMH.
g) What is an isometric scale?

Ans: Pyramid. Refer Fig. 11.3 page 11.3 of ED - Basant Agrawal, TMH.
h) Briefly explain the unidirectional system of dimensioning.

Ans: Parallel. Refer article 12.4.3 page 12.6 of ED - Basant Agrawal, TMH.
i) Give two examples of solids of revolution.

Ans: Radial line method. Refer article 13.3 page 13.1 of ED - Basant Agrawal, TMH.
j) Draw the plan and elevation of a 50 mm long line AB which is a perpendicular to HP and parallel to VP.

Ans: Curve. Refer problem 14.9 page 14.10 of ED - Basant Agrawal, TMH.

SECTION B (Marks: 8 each)

2.(a) Construct a diagonal scale to read metres, decimetres and centimetres for a R.F. of l/50 and long enough to measure up to 5 metres. Show on this scale the following distances:
(a) 2.89 metres, (b) 3.67 metres and (c) 4.44 metres.

Ans: 45 degree, reference. Refer article 7.18 page 7.17 of ED - Basant Agrawal, TMH.

3. A plane having the shape of an isosceles triangle of base 40 mm and altitude 60 mm is inclined to HP in such a way that its top view is an equilateral triangle of 40 mm each side. Its base , which is fully contained in HP, is inclined at 45° to VP. Draw its projections and rind out the true inclination of the plane with HP.

Ans: Refer Problem 9.52 page 9.53 of ED - Basant Agrawal, TMH.

4. A right regular pentagonal pyramid, side ofthe base 30 mm and height 60 mm, has one of its slant edges in HP. One of the base edges of the pyramid is parallel to HP and inclined at 45° to VP. Draw its projections.

Ans: Refer problem 11.45(b) page 11.45 of ED - Basant Agrawal, TMH.
5. A right circular cone of base diameter 45 mm and axis 65 mm long, is lying on one of its generators on HP A sectional plane inclined to HP at 30° bisects its axis. Draw the apparent and true shape of the section.

Ans: Similar to problem 12.19 page 12.21 of ED - Basant Agrawal, TMH.

SECTION C (Marks: 8 each)

6. Two orthographic views of an object are shown in Figure 1 below. Draw its isometric view.

 Ans: Refer problem 15.20 page 15.16 of ED - Basant Agrawal, TMH.
 
7.  A right regular square pyramid of base edge 35 mm and height 55 mm rests on top of a right circular cylinder of base diameter 50 mm and height 70 mm such that the axes ofthe two solids are along the same vertical line. The base edges of the square pyramid are equally inclined to VP. Draw a neat freehand isometric sketch of the assembly.

Ans: Refer article 13.6 page 13.6 of ED - Basant Agrawal, TMH.
8. Two portions of a square prism have been removed as shown in its front view in Figure 2 below. Take side of the base = 40 mm and length of the axis =70 mm. The axis of the solid is inclined at 45° to HP. Develop the remaining portion of the solid.

Ans: Refer article 13.6 page 13.6 of ED - Basant Agrawal, TMH.

9. A vertical cylinder of base diameter 40 mm and height 70 mm, resting on its base on HP, is completely penetrated by another horizontal cylinder of base diameter 30 mm and height 70 mm such that their axes bisect each other at right angles. Draw the projections of the solids showing curves of intersection.

Ans: Refer Problem 14.6 page 14.7 of ED - Basant Agrawal, TMH.

Anna University GE2111 Engineering Graphics April-May-June 2011 Question Paper

BE/BTech (First/Second) Semester Exam April/May/June 2012 (Regulation 2008)

(Common to all Branches)
Time: 3 hrs
Maximum Marks: 100
Minimum Marks: 35 

Note: Answer ALL Questions.

RGPV BE105 Engineering Drawing Dec 2011 Question Paper

Book entitled "Engineering Graphics" contains solution of all the previous year question paper

BE (First/Second) Semester Exam

(Common to all Branches) (Grading System)

Time: 3 hrs

Maximum Marks: 70

Minimum Marks: 22 (D Grade)

Note: Attempt all questions as per the internal choices. All questions carry equal marks.

1. Solve any two of the following questions:

a) A distance of 140 km between two stations on a railway map is represented by a length of 70 mm. Find the R. F. of the scale of the map and construct a diagonal scale to read distances on the map, correctly to a kilometre and long enough to measure 300 km. Also mark on this scale length corresponding to 176 km and 204 km. 7 Marks

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

b) Draw an Ellipse by Concentric Circle method, given the major and minor axes as 80 mm and 50 mm respectively. 7 Marks

Similar to Example 3.3, Page 3.11 of EG - Basant Agrawal, TMH.

c) Using a scale of l:20, draw the locus of the end point of a cable unwinding itself from a drum of 800 mm diameter such that the unwound cable is always taut. Also draw a tangent and normal at any point on the curve. 7 Marks

Similar to Example 4.12, Page 4.16 of EG - Basant Agrawal, TMH.

2. The top view of straight line AB 72 mm long measures 62 mm while length of its front view is 49.2 mm. Its end A is in the V.P. and 12 mm above the H.P. Draw the projections of the straight line and determine its inclinations with H. P. and V. P. 14 Marks

Similar to Example 7.26 Page 7.33 of EG - Basant Agrawal, TMH.

OR

A line AB 120 mm long is inclined at 45° to H.P. and 30° to the V. P. Its midpoint C is in V.P. and 20 mm above H.P. The end A is in the third quadrant and B is in the first quadrant. Draw the projections of the line AB. 14 Marks

Similar to Example 7.55, Page 7.66 of EG - Basant Agrawal, TMH.

3. a) Draw the projections of a rhombus having diagonals 100 mm and 40 mm long. The bigger diagonal is inclined at 30° to H. P. with one of the end points in H.P. and the smaller diagonal is parallel to both the planes. 7 Marks

Refer Example 8.25, Page 8.32 of EG - Basant Agrawal, TMH.

OR

A rectangular plate ABCD measuring 45 mm × 35 mm, has its diagonal AC inclined at 30° to the H.P. whereas the diagonal BD makes an angle of 45° to V.P. Draw its projections. 7 Marks

It is a difficult question and one need to determine β angle.

3. b) A right circular cone, diameter of base 50 mm and height 65 mm lies on one of its generators on H.P. such that the generator is inclined at 30° to V.P. Draw its projections. 7 Marks

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

Also refer Exercise 9B, Problem 10, Page 9.58 of EG - Basant Agrawal, TMH.

4. a) A right circular cone 45 mm diameter, axis 60 mm long is resting on its base on H.P. It is cut by a plane the H.T of which makes an angle of 45° with the V.P and is passing 15 mm from the top view axis. Draw the sectional front view and true shape of the section. 7 Marks

Similar to Example 10.17, Page 10.21 of EG - Basant Agrawal, TMH.

OR

A pentagonal pyramid, base edges 25 mm and axis 45 mm long, is lying on one of its triangular faces on the H. P. with its axis parallel to V. P. An auxiliary section plane perpendicular to H. P. and inclined at 30º to V. P. cuts the pyramid and passes through a point 35 mm from the base along the axis. Draw the sectional front view and the true shape of the section. 7 Marks

Similar to Example 10.34, Page 10.38 of EG - Basant Agrawal, TMH.

4. b) A right circular cone of 45 mm diameter and 60 mm height of axis, is resting on its base on the H.P. A point P, initially situated at the extreme right end of the base and moves around the surface of the cone and comes back to starting point. Find the length of shortest path, the point can take. Show the path in the front view. 7 Marks

Similar to Example 11.25, Page 11.28 of EG - Basant Agrawal, TMH.

5. A right circular cone of base diameter 30 mm and height 36 mm rests centrally on a square block of 48 m side and 22 mm thick. Draw the isometric view of the two solids. 14 Marks

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

Also refer Exercise 12, Problem 11, Page 12.42 of EG - Basant Agrawal, TMH.

OR

What are basic commands of drafting entities like line and circle? Explain various editing commands used in CAD. 14 Marks

Refer Article 13.15.1, 13.15.5 and 13.16 of EG - Basant Agrawal, TMH.

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