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**
Code No: R07A10291
**

**
JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD
**

**I B.Tech Regular Examinations June – 2009
ENGINEERING DRAWING
**

**(Common to EEE, EIE and ECC)
Time: 3 hours Max Marks: 80
**

**Answer any FIVE Questions.
All Questions carry equal marks.
**

**-----
**
1. The major axis of an ellipse is 150mm long with P as its mid point. The foci of

ellipse are 50mm away from mid point .Draw the ellipse. [16]

2. A circus man rides a motor bike inside a globe of 12meters diameter .The motor bike has the wheel of 1 meter diameter .Draw the locus of the point on the circumference of the motor bike wheel for one complete revolution. [16]

3.a) A point ‘A’ is 40mm from both the reference planes. Draw its projections in all

possible positions. b) Two pegs fixed on a wall are 4.5m apart. The distance between the pegs measured

parallel to the floor is 3.6m. If one peg is 1.5m above the floor; find the height of the second peg and the inclination of the line joining two pegs with the floor. [8+8]

4. Draw the projections of a rhombus having diagonals 125mm & 50mm long the smaller diagonal of which is parallel to both the parallel lines, while the other is inclined at 300 to H.P. [16]

5. A pentagonal prism is resting on one of the corners of its base on the H.P. The

longer edge containing the corner is inclined at 450 to the H.P. The axis of the prism makes an angle of 300 to the V.P. Draw the projections of the solid. [16]

6. A line AB, 75mm long is in the second quadrant with the end A in the H.P. and

the end B in the V.P. The line is inclined at 300 to the H.P. and at 450 to V.P. Draw the projections of AB. [16]

7. A pentagonal prism having the side of base 25mm and the height of 80mm is

resting on one of the corner of the base and its axis is inclined to 450 to the H.P. Draw its projections and also prepare the isometric view of the prism. [16]

** Contd…2
**

**Set.1 **

** ::2:: Set-1
**

8. Draw the following views of the object shown pictorially shown in figure below: (all dimensions in the figure are in mm). [16]

a) Front view b) Top view c) Both Side views

x-x-x

**Code No: R07A10291
**

**
JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD
**

**I B.Tech Regular Examinations June – 2009
ENGINEERING DRAWING
**

**(Common to EEE, EIE and ECC)
Time: 3 hours Max Marks: 80
**

**Answer any FIVE Questions.
All Questions carry equal marks.
**

**-----
**
1. Two points A and B lie on a straight line through the centre C of a circle of 50mm

diameter, rolling along a fixed straight line. Draw and name the curves traced out by the points A and B during one complete revolution of the circle. AC =30mm; BC=52mm. [16]

2. A fixed point is 80mm from a fixed straight line. Draw the locus of a point P

moving in such a way that its distance from the fixed straight line is twice its distance from the fixed point. [16]

3.a) A point A is situated in the first quadrant. Its shortest distance from the

intersection point of H.P., V.P, and auxiliary plane is 50mm and it is equidistant from the principal planes. Draw the projections of the point and determine its distance from the principal planes.

b) A Point P is 20mm below. H.P. and lies in the third quadrant. Its shortest distance from xy is 40mm. Draw its projections. [8+8]

4. Two apples on a tree are respectively 1.5m and 4 m above the ground, and 1.2m and 2m from a 0.3 m thick wall, but on the opposite sides of it. The distance between the apples, measured along the ground and parallel to the wall is 2.7m. Determine the real distance between the apples. [16]

5. A 600 set square of 125mm longest side is so kept that the longest side is in the

H.P. making an angle of 300 with the V.P. and the set square itself inclined at 450to the H.P. Draw the projections of the set square. [16]

6. A Tetrahedron of 75mm long edges has one edge parallel to the H.P. and inclined

at 450 to the V.P., while a face containing that edge is vertical. Draw its projections.

7. Draw the isometric view of hexagonal prism, side of the base 30mm long and the

axis 50mm long, when the axis is: i) vertical ii) horizontal.

** Contd…2
**

**Set.2 **

** ::2:: Set-2
**
8. Draw the following views of the object shown pictorially shown in figure below:

(all dimensions in the figure are in mm). [16] a) Front view b) Top view c) Both Side views

x-x-x

**Code No: R07A10291
**

**
JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD
**

**I B.Tech Regular Examinations June – 2009
ENGINEERING DRAWING
**

**(Common to EEE, EIE and ECC)
Time: 3 hours Max Marks: 80
**

**Answer any FIVE Questions.
All Questions carry equal marks.
**

**-----
**

1. The vertex of a hyperbola is 80mm from its focus. Draw the curve if the centricity is 4/3. Draw a normal and tangent at a point on the curve, 75mm from the directrix. [16]

2. A circle of 50mm diameter rolls on another circle of 180mm diameter. Draw and

name the curves traced out by two points A and B lying on a straight line through the centre C of the rolling circle and respectively 20mm and 35mm from it, when it rolls: i) outside and ii) inside the other circle. [16]

3. State the quadrants in which the following are situated:

(a) A point A; its top view is 40mm above xy; the front view, 20mm below the top view.

(b) A point B, its projections coincide with each other 50mm below xy. (c) A point C; its top view 50mm below xy; the front view 30mm above top view. (d) A point D; its top view on xy and front view 40mm below top view. (e) A point E; its top view 30mm above xy; its front view below top view.[16]

4. The distance between the end projectors of a line PQ is 50mm.A point P is 30mm

above H.P. and 25mm behind V.P. while a point Q is 40mm below H.P. and 30mm in front of V.P. draw the projections of line and determine the true length and true inclination of the line with H.P. and V.P. [16]

5. Draw the projections of a circle of 75mm diameter having the end A of a diameter

AB in H.P., the end B in the V.P. and the surface inclined at 300 to the H.P. and 600 to the V.P. [16]

6. A pentagonal pyramid, base 40mm side and height 75mm rests on edge of its base

on the ground so that the highest point in the base is 30mm above the ground. Draw its projections when the axis is parallel to the V.P. [16]

**Contd…2
**

**Set.3 **

** ::2:: Set-3
**
7. A cylindrical block of base 75mm diameter and 100mm is standing on the H.P.

with its axis perpendicular to H.P. Draw its isometric view. [16] 8. Draw the following views of the object shown pictorially shown in figure below: (all dimensions in the figure are in mm). [16]

a) Front view b) Top view c) Both Side views

x-x-x

**Code No: R07A10291
**

**JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD
I B.Tech Regular Examinations June – 2009
**

**ENGINEERING DRAWING
(Common to EEE, EIE and ECC)
**

**Time: 3 hours Max Marks: 80
Answer any FIVE Questions.
**

**All Questions carry equal marks.
-----
**

1.a) A ball hit by a bat travels a distance of 100meters with a height of 50meters.Trace

the path of the ball. b) The major axis of an ellipse is 200mm long and the minor axis is 150mm long. Find the foci and draw the ellipse by concentric circles method. [8+8]

2. Construct a hypocycloid with rolling circle of 50mm diameter and directing circle

of 175 mm diameter. Draw a tangent to it at a point 50mm from the centre of directing circle. [16]

3.a) A point 45mm above xy line is the top view of two points A and B. The front

view of A is 50mm above the H.P. while that of the point B is 40mm below the H.P.. Draw the projections of the points and state their position with respect to the principal planes and the quadrant in which they lie.

b) A point A is 45mm above H.P. and lies in the first quadrant. Its shortest distance from xy is 50mm .Draw its projections. [16]

4. The projectors of the ends of a line AB are 60mm apart. The end A is 30mm

above the H.P. and 40mm in front of the V.P. The end B is 20mm below the H.P. and 50mm behind the V.P. Determine the true length and its inclinations with two planes using trapezoidal method. [16]

5. A regular pentagon of 50mm side has a corner in the H.P. Its surface is inclined at

300 to the H.P. and the top view of the diagonal through the corner which is in the H.P. makes an angle of 600 with the V.P. Draw its projections. [16]

6. A square pyramid of 30mm side and 60mm length of axis is resting on one of its

triangular faces on the H.P. having a slant edge containing that face parallel to the V.P. Draw the projections of the pyramid. [16]

7. The outside dimensions of a box made of 5 cm thick planks are 100cm × 50cm x

50cm height. The depth of the lid on the outside is 15 cm. Draw the isometric view of the box when the lid is 1200 open. [16]

**Contd…2
**

**Set.4 **

** ::2:: Set-4
**8. Draw the following views of the object shown pictorially shown in figure below:
(all dimensions in the figure are in mm).

a) Front view b) Top view c) Both Side views. [16]

x-x-x