# CBSE Question Paper 2011 Class 12 Engineering Graphics

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CBSE Question Paper 2011 Class 12 Engineering Graphics conducted by Central Board of Secondary Education, New Delhi in the month of March 2011. CBSE previous year question papers with the solution are available in myCBSEguide mobile app and website. The Best CBSE App for students and teachers is myCBSEguide which provides complete study material and practice papers to CBSE schools in India and abroad.

CBSE Question Paper 2011 Class 12 Engineering Graphics

## CBSE Question Paper 2011 Class 12 Engineering Graphics

General Instructions:

• Attempt all the questions.
• Use both sides of the drawing sheet, if necessary.
• All dimensions are in millimeters.
• Missing and mismatching dimensions, if any, may be suitably assumed.
• Follow the SP: 46-1988 codes (with First Angle method of projection).
• In no view of Question 1 and in no sectioned view of question 3, are hidden edges/lines required

1. (a) Construct an isometric scale, 110 mm long. [4] (b) Construct the isometric projection, to isometric scale, of a hemisphere (diameter
= 70 mm), resting on H.P. with its circular face on it. The axis is parallel to
V.P.
Draw the axis, marking the center of its circular base on H.P. Give
dimensions. [7] (c) A pentagonal pyramid (base edge 30 mm and height 70 mm) is placed,
centrally, on the top triangular face of a triangular prism (base side 90 mm and
height 30 mm), with its pentagonal base on the prism. One base side of the
pyramid is parallel to V.P. and away from it. One side of the base of the
prism is parallel to V.P. and closer to the observer.
Draw the isometric projection of the solids, placed together, to isometric
scale. Draw their common vertical axis and indicate the direction of viewing.
Give all dimensions. [14]

2. (a) Draw to scale 1: 1, the front view and top view of a Square Nut, for a
nominal diameter d = 30 mm, keeping its axis perpendicular to H.P. and two
sides of the square, parallel to V.P. Give all standard dimensions. [9]

OR

Draw to scale 1: 1, the front view and top view of a Hook Bolt, taking
nominal diameter = 26 mm and keeping its axis perpendicular to H.P. Give
standard dimensions.
(b) Sketch freehand the front view and the top view of a Stud with Collar, keeping
the axis perpendicular to H.P. Take nominal diameter = 25 mm. Give standard
dimensions. [6]

OR

Sketch freehand the front view and the top view of a Pan Head Rivet (without
tapered neck), keeping the axis vertical. Take the diameter of the rivet as 25 mm.
Give standard dimensions.

3. Figure 1 shows the details of the parts of a Flanged Pipe Joint. Assemble these
parts, correctly, and draw, to scale 1: 1, the following views:
(a) Front view, lower-half in section. [15] (b) Side view, as seen from the right. [9] Print title and scale used. Draw the projection symbol. Give 6 important
dimensions.

OR

Figure 2 shows the front view of a Footstep Bearing assembly. Dismantle the parts.
and draw the following views, to scale 1: 1. Keep the same position of the parts
with respect to H.P. and V.P. :
(a) Front view of the Bush, showing the left half in section. [17] (b) Front view of the Pad, showing right half in section. [7] Print titles of both and scale used. Draw the projection symbol. Give 6 important
dimensions. [6]

## Last Year Question Paper Class 12 Engineering Graphics 2011

Download class 12 Engineering Graphics question paper with the solution from best CBSE App the myCBSEguide. CBSE class 12 Engineering Graphics question paper 2011 in PDF format with the solution will help you to understand the latest question paper pattern and marking scheme of the CBSE board examination. You will get to know the difficulty level of the question paper.

## Previous Year Question Paper for class 12 in PDF

CBSE question papers 2018, 2017, 2016, 2015, 2014, 2013, 2012, 2011, 2010, 2009, 2008, 2007, 2006, 2005 and so on for all the subjects are available under this download link. Practicing real question paper certainly helps students to get confidence and improve performance in weak areas.

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