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Posted By: India Member Level: Diamond Posted Date: 22 Dec 2007
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2005 Jawaharlal Nehru Technological University Civil Engineering JNTU I Year B.Tech (RR10107)-Reg.June'05 -Set 3-Engineering Graphics Question paper
Code No: RR10107 Set No.3
I B.Tech. Regular Examinations, June -2005
ENGINEERING GRAPHICS
( Common to Civil Engineering, Mechanical Engineering, Mechatronics,
Metallurgy & Material Technology and Production Engineering)
Time: 3 hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
1. The distance between Delhi and Saharanpur is 180 Km. The passenger train covers this distance in 6 hours. Construct a plain scale to measure time up to a single minute. The R.F of the scale is 1:2,00,000. Indicate the distance covered by the train in 36 minutes.
2. Inscribe an ellipse in a parallelogram having sides 200 mm and 100 mm long and an included angle of 120 degrees.
3. Convert the orthogonal projections shown in figure3 below into an isometric view of the actual picture.
Figure 3:
4. A hexagonal plane of 30 mm side has a corner in the V.P. and the surface of the plane makes an angle 40 degrees with the V.P. Draw its projections when the front view of the diagonal through The corner which is in V.P. makes an angle of 50 degrees to H.P.
5. A square pyramid of base side 30mm and altitude 50mm lies on one of its triangular faces on the HP with its axis parallel to the VP. It is cut by a vertical plane inclined at 30 degrees to the VP and meeting the axis at 40mm from the vertex measured in the plan. Draw the plan, sectional elevation and the true shape of the section.
6. 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.
7. Draw the isometric projection of a Frustum of hexagonal pyramid, side of base 30mm the side of top face 15mm of height 50 mm.
8. Draw perspective view of a straight line CD, 36 mm long, lying on the ground
plane, with end C in the picture plane, and inclined at 30 degrees to the PP. The station
point is 48 mm in front of the picture plane, 36 mm above the ground plane, and
lies in a plane 12mm to the right of the end C.
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