CBSE Class 12 Engineering Graphics Compartment Question Paper 2018. Students can download the last year question papers using the link below. Free download of examination question papers with solutions. Last 10 year question papers should be practised to get better marks in examinations.
Answer the following Multiple Choice Questions. Print the correct choice on your
1.(i) Mini drafter is a drawing instrument which is the combination of
(a) Protractor and Compass
(b) Compass and Scales
(c) Scales and Divider
(d) Protractor and Scales
(ii) Which one of the following is a type of stud ?
(a) Stud with gib
(b) Stud with collar
(c) Stud with jacket
(d) Stud with key
(iii) In an open bearing, the sole of the bearing is recessed for
(a) Making it leak proof
(b) Joining the shafts
(c) Fitting the bush
(d) Better stability on the surface
(iv) In the assembly of a turnbuckle consists of following components :
(a) One body and two left hand threaded rods
(b) One body and two right hand threaded rods
(c) One body and two square rods
(d) One body, one left hand threaded rod and one right hand threaded rod
2. (i) Construct an isometric scale.
(ii) A vertical pentagonal pyramid (base edge 30 mm and axial height 60 mm) is resting on its base on H.P. one of its base edges is perpendicular to V.P. Draw its isometric projection. Show the axis and indicate the direction of viewing. Give all dimensions.
(iii) A cylinder (height 50 mm and diameter 25 mm) is placed centrally on the top triangular face of a triangular prism (base edge 60 mm and height of prism 60 mm). One of the base edges of the prism is parallel to V.P. and near to the observer. The common axis is perpendicular to H.P. Draw the isometric projection of the combination of solids. Show the common axis and indicate the direction of viewing. Give all dimensions.
3. (i) Draw to scale 1 : 1 the standard profile of Metric thread external taking enlarged pitch 50 mm. Give standard dimensions.
Draw to scale 1 : 1 the front view and top view of a Hexagonal Nut of diameter 30 mm. Keep the axis perpendicular to H.P. Give standard dimensions.
(ii) Sketch freehand the front view and top view of a Round head screw of size M20, keeping the axis vertical. Give standard dimensions.
Sketch freehand the front view and top view of a Snap head rivet of diameter 20 mm keeping the axis vertical. Give standard dimensions.
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