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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 2-Engineering Graphics Question paper
Code No: RR10107 Set No.2
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. An area of 144 sq.cm on a map represents an area of 36 sq.km on the field. Find the R.F of the scale for this map and draw a Diagonal scale to show kilometers, hectometers and decameters and to measure up to 10 kilometers. Indicate on the scale a distance of 7 kilometers, 5 hectometers and 6 decameters.
2. Construct an ellipse, when the distance of the focus from the directrix is equal to 60 mm and eccentricity 2/3 . Also draw a normal and tangent to the curve at a point 35 mm from the focus.
3. The orthogonal views of the picture as shown in the figure2 below. Convert them into isometric view.
Figure 2:
4. Draw a rhombus of diagonals 100 mm and 60 mm long , with the longer diagonal horizontal. The figure is the top view of a square of 100 mm long diagonals, with a corner on the ground. Draw its front view and determine the angle which its surface makes with the ground.
5. A cube of 65 mm long edges has its vertical faces equally inclined to the V.P. It is cut by a section plane, perpendicular to the V.P., so that the true shape of the section is a regular hexagon . Determine the inclination of the cutting plane with the H.P. and draw the sectional top view and true shape of the section.
6. A hexagonal pyramid, side of base 30 mm axis 70 mm is resting on HP on its base. It is cut by a section plane perpendicular to V.P and at 45 degrees to H.P and passing through the mid point of the axis of the pyramid. Draw the development of the lateral surface of the truncated pyramid.
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 the perspective view of a cube of 25 mm edge resting on ground plane on one of its faces. It has one of its vertical edges in the PP and all vertical faces are equally inclined to the picture plane. The station point is 55 mm in front of the
picture plane, 40 mm above the ground plane and is contained by a central plane
9 mm to the left of the center of the cube.
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