ORTHOGRAPHIC PROJECTIONS OF PLANES :
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EDP AERO A B IMP PROBLEMS
EDP AERO A&B IMP PROBLEMS: 1. A circle of 50mm diameter rolls on a horizontal line for half a revolution clockwise and then on a line inclined at 600 to the horizontal for another half clockwise. Draw the curve traced out by a point P on the circumference of the circle taking top most point on the rolling circle as the initial position of the generating point. 2. Construct a forward reading Vernier scale to read distance correct to a decameter on a map in which the actual distances are reduced in the ratio of 1 : 40000. The scale should be long enough to measure upto 6 km. Mark on the scale lengths of 3.34 km and 0.59 km. 3. A room measures 8m long, 5m wide and 4m high. An electric bulb hangs in the center of the ceiling and 1m below it. A thin straight wire connects the bulb to switch kept in one of a corner of the room and 1.25m above the floor. Draw the projections of the wire, also determine its true length and slope with...
EDP IMPORTANT QUESTIONS
PROJECTION OF LINES: 1. The HT and the VT of a straight line AB is below and above XY respectively. The distance between the HT and the VT as measured parallel to XY is 200 mm. The end B of the line is nearer to the VP than the end A. The view from above of the line makes 30° to XY. The end B is 10 mm from the VP and 20 mm from the HP. The distance between the end projectors of the line measures 50 mm parallel to XY. Draw the projections of the line. (R09mech june2010set2) 2. The HT and the VT of a straight line coincides with each other and 20 mm away from one of the ends as measured parallel to XY. The distance between the end projectors of the line measured parallel to XY is 50 mm. Draw the projections. Find the TL and the true inclinations of the line. The end nearer to the HT and the VT is 15 mm from the VP and 25 mm from the HP. (R09mech june2010set1) 3. A room has the dimensions 6m ×4m ×3m. Two nails are driven on two adjacent walls at heights of 2.5m and 1.5m from the ground ...
