Time:3 hrs
Max marks:100
(Common to all branches)
QUESTION-1.a.
i. Draw the projections of the following points on the same XY line, keeping convenient distance between the projectors . Also state the quadrants in which they lie-(10 Marks)
a. 30mm below HP and 25mm behind VP
b. 35mm below HP and 30mm in front of VP
c. On HP and 30mm in front of VP
d. On HP and 35mm behind of VP
ii. The end A of a line AB is in HP and 25mm in front of VP . The end B is in VP and 50mm above HP . The distance between the end projectors when measured parallel to the line of intersection of HP and BP is 65 mm. Draw the projections of the line AB and determine its true length and true inclinations with HP and VP.(20 Marks)
OR
QUESTION-1.b. A circular lamina inclined to the VP appears in the front view as an ellipse of major axis 30mm and minor axis 15mm . The major axis is parallel to both HP and VP . One end of the minor axis is in both the HP and VP . Draw the projections of the lamina and determine the inclination of the lamina with the VP. (30 Marks)
QUESTION-2. A square pyramid 35 mm side of base and 60 mm axis length rests on HP on one of its slant edges. Draw the projections of the pyramid when the axis is inclined to VP at 45°. (40 Marks)
QUESTION-3.a. A cube of sides 40mm is resting on HP with its base on HP such that one of its vertical faces is inclined at 30° to the VP. It I cut by a section plane perpendicular to VP, inclined to HP at an angle 45° and passes through the midpoint of the axis. Draw the development of the lower lateral surface of the cube. (30 Marks)
OR
QUESTION-3.b. A cone of base diameter 40mm and height SOmm rests centrally over a frustum of pentagonal pyramid of base side 45mm and top side 35mm and height SSmm. Draw the isometric projection of the combined solid .(30 Marks)
I/II Semester B.E degree Examination
Time:3 hrs Max marks:100
(Common to all branches)
QUESTION-1 a.
i. A point 30 mm above XY line is the front view of two pints A & B . The top view of A is 40 mm behind VP & The top view of B is 45 mm in front of VP . Draw the projections of the points & state the quadrants in which the points are situated. (10 Marks)
ii. The font view of a 90 mm long line which is inclined at 45° to the XY line ,measures 65 mm . End A is 15 mm above the XY line and is in VP . Draw the projections of the line and find its inclinations with HP and VP. (20 Marks)
QUESTION-1 b. A rectangular plate of negligible thickness of size 35 mm x 20 mm has one of its shorter edges in VP with that edge inclined at 40° to HP. Draw the top view if its front view is a square of side 20 mm.(30 Marks)
QUESTION-2. A hexagonal prism 25 mm sides of base and 50 mm axis length rests on HP on one of its corners of the base such that the two base edges containing the corner on which it rests make equal inclinations with HP . Draw the projections of the prism when the axis of the prism is inclined to HP at 40° and appears to be inclined to VP at 45°.(40 Marks)
QUESTION-3.a. A vertical cylinder of base diameter 45 mm and axis length 60 mm is cut by a plane perpendicular to VP and inclined at 50° to HP , is passing through the center point of the top face . Draw the development of the lateral surface of the cylinder .(30 Marks)
QUESTION-3b. A frustum of cone of base diameter 50 mm, top diameter 25 mm and height 50 mm is placed centrally on a cylindrical slab of diameter 100 mm and thickness – 30 mm Draw the isometric projection of the combination of the solids . (30 Marks)