ENGINEERING DRAWING
(Common to ECE, FT & EIE)
Time: 3 hours Max. Marks: 70
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(Answer all five units, 05 X 14 = 70 Marks)
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UNIT ? I1 Draw an epicycloid, the directing circle of which is 160 mm in diameter and the generating circle is
40 mm in diameter. Draw a tangent and normal to the curve at any point on it.
OR
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2 Draw a parabola when the distance of focus from the directrix is equal to 40 mm.UNIT ? II
3 (a) A point P is 20 mm from both the reference planes. Draw its projections in all possible positions.
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(b) Two points P and Q are located in HP. The point P is 30 mm in front of VP and point Q is locatedbehind VP. The distance between their projectors is 75 mm. The line joining the top views of points
P and Q makes an angle of 45
0
with XY. Determine the distance of point Q from VP.
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OR4 (a) Draw the projections of point A in the following positions:
(i) 20 mm below HP and 30 mm behind VP.
(ii) 15 mm above HP and 50 mm behind VP.
(iii) 40 mm below HP and 25 mm in front of VP.
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(iv) 50 mm above HP and 30 mm in front of VP.(b) Find the shortest distance of point A from the reference line XY which is 20 mm from the HP and
40 mm from the VP.
UNIT ? III
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5 A line AB 75 mm long has its end point A 15 mm above HP and 10 mm in front of VP and end point
B 45 mm above HP and 50 mm in front of VP. Determine true inclination of line AB with HP and
VP.
OR
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6 A semi-circular lamina of 64 mm diameter has its straight edge in VP and the surface is inclined atan angle of 45
0
to HP. And the straight edge makes an angle of 30
0
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to VP. Draw its projections.UNIT ? IV
7 A hexagonal pyramid, side of base 35 mm and axis 50 mm long, rests with its base on HP and an
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edge of its base is perpendicular to VP. Draw the orthographic projection of the hexagonal pyramid.OR
8 A square pyramid of base edge 25 mm and height of its axis 50 mm in resting in HP in such a
manner that its base edge makes an angle of 45
0
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with VP. Develop the surface of the pyramid.UNIT ? V
9 Draw the isometric view of a cylinder of 40 mm diameter and 50 mm height resting on HP.
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OR10 Draw the isometric projection of a square prism of side 35 mm and height 50 mm.
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R15
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