CBSE Class 12 Engineering Graphics Question Paper Solved 2019. Students can download the last year board exams 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.
1. Answer the following multiple choice questions. Print the correct choice on your drawing sheet.
(i) The projection generally used for engineering practice is
(a) Picture projection
(b) Isometric projection
(c) Oblique projection
(d) Perspective projection
(ii) Which one among the following is called screw pair ?
(a) Bolt and nut
(b) Shaft and key
(c) Gib and cotter
(d) Rivet and plate
(iii) In a Hook bolt, the shank of the bolt
(a) Passes through a hole in one part only
(b) Passes through the holes in two parts
(c) Does not pass through any of the parts
(d) Passes through a key-hole
(iv) In bushed 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
(v) The total number of components in turnbuckle assembly is
2. (i) Construct an isometric scale.
(ii) An inverted frustum of a pentagonal pyramid (base edge 25 mm, top edge 40 mm and height 60 mm) is resting on H.P., with its axis perpendicular to H.P. One of its base edges is parallel to V.P. and nearer to the observer. Draw its isometric projection. Show the axis and indicate the direction of viewing. Give all the dimensions.
(iii) A cylinder (base diameter 50 mm and height 50 mm) with its axis perpendicular to H.P. is placed centrally on the top rectangular face of a horizontal triangular prism (side of triangle 40 mm and length of axis 70 mm). The prism is resting on its long edge with its axis parallel to both V.P. and H.P. Draw the isometric projection of the combination of solids. Show the axis of each solid and indicate the direction of viewing. Give all the dimensions.
Please click the link below to download pdf file of CBSE Class 12 Engineering Graphics Question Paper Solved 2019.