# CBSE Class 12 Engineering Graphics Question Paper 2007 - Set 2

CBSE Class 12 Engineering Graphics Question Paper 2007 - Set 2 CBSE,CCE and NCERT students can refer to the attached file. All educational material on the website has been prepared by the best teachers having more than 20 years of teaching experience in various schools. The study material available on our website for all CBSE classes and subjects have been prepared by teachers from all over the country. All study material has been carefully designed keeping into mind the latest CBSE examination trends.

ENGINEERING DRAWING

Note :

(i) Attempt all the questions.

(ii) Use both sides of the drawing sheet, if necessary.

(iii) All dimensions are in millimeters.

(iv) Missing and mismatching dimensions, if any, may be suitably assumed.

(v) Follow the SP : 46-1988 codes.

(with First Angle method of projection).

1. (a) Construct an isometric scale. 4

(b) Construct an isometric projection of a frustum of a hexagonal pyramid, base side = 30 mm, top side = 25 mm and axis height = 50 mm. When resting on H.P. on its base, one of the base sides is parallel to V.P. and the axis is perpendicular to H.P. Give all dimensions. 9

(c) A pentagonal prism with side of the pentagonal base = 40 mm and height of axis = 30 mm, is resting on H.P. on its base, with one of its sides normal to V.P. On the top pentagonal-end, a cylinder of 50 mm diameter base and height 70 mm, is centrally placed with its circular base on it. Taking their common axis perpendicular to H.P. draw the isometric projection of the solids. Give all dimensions.

2. (a) Draw to scale 1:1, the plan and front view of a hexagonal nut, taking its nominal diameter as 25 mm, keeping its axis perpendicular to H.P. and two opposite sides of the hexagon parallel to V.P. Give standard dimensions. 9

OR

Draw to scale 1:1, the standard profiles of a square thread and a knuckle thread, taking pitch as 40 mm for each. Give standard dimensions.

(b) Sketch freehand the front view and top view of a collar stud, keeping the axis perpendicular to H.P. Take nominal diameter as 20 mm. Give standard dimensions. 6

OR

Keeping the axis vertical, sketch freehand the front view and plan of a pan-head rivet without tapered neck. Take diameter as 20 mm. Give standard dimensions.

3. Figure 1 shows the parts of a knuckle joint. Assemble these parts correctly andthen draw the front view, full in section, to a scale full size. 2 5 Print title and scale used. Give six important dimensions.

Please refer to the link below for CBSE Class 12 Engineering Graphics Question Paper 2007 - Set 2

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