CBSE Class 12 Engineering Graphics Boards 2021 Sample Paper Solved

Engineering Drawing
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Official CBSE Practice Papers for Class 12 Engineering Drawing

Review targeted exam resources with the CBSE Class 12 Engineering Graphics Boards 2021 Sample Paper Solved. Built according to official CBSE standards for the 2026-27 academic year, these downloadable Class 12 Engineering Drawing sample papers support effective revision and performance tracking.

Solved Model Papers for Engineering Drawing

Navigate directly to the solved Engineering Drawing model papers using the digital viewer below. Each practice set includes detailed solutions, allowing students to instantly cross-check their work and identify areas requiring further revision.

Answer the following Multiple Choice questions. Print the
correct choice on your drawing sheet.
 
1 (i) Name the projection system used by artists and architects to show “one plane” drawings.
(a) Oblique projection
(b) Perspective projection.
(c) Isometric projection
(d) Orthographic projection
 
(ii) Name the thread profile used on the neck of glass bottles etc.
(a) Metric thread
(b) BSW thread
(c) Knuckle thread
(d) Square thread
 
(iii) The value of diameter of the collar in collar stud in terms of diameter ‘d’ is:
(a) 1.5d
(b) 1.5d+3
(c) 2d
(d) 2d+6
 
(iv) Name the material of the bush in the bush-bearing.
(a) Cast iron
(b) Mild steel
(c) High carbon steel
(d) Gun metal
 
(v) Cotter joint is used to connect two ________.
(a) Square rods
(b) Elliptical rods
(c) Round rods
(d) Hollow rods
 
2 (i) Construct an isometric scale. 
 
(ii) Draw the isometric projection of a pentagonal prism (base edge 25 mm, axial length 55mm) resting on its face with its axis parallel to H.P. and V.P. both. Indicate the direction of viewing. Give all the dimensions.
 
(iii) Draw an Isometric Projection of a hemisphere (diameter 60 mm) placed centrally on the top horizontal rectangular face of an equilateral triangular prism (base edge = 50 mm, height = 70 mm) keeping both triangular ends parallel to V.P. Show the axis of both solids. Give all the dimensions and indicate the direction of viewing.
 
3 (i) Draw to scale 1:1, the standard profile of the Square thread (External) taking pitch 60mm. Give standard dimensions.
OR
Draw to scale 1:1, the Front View and Side View of a Hexagonal headed bolt with diameter 30mm. Keep its axis parallel to both V.P and H.P. Give standard dimensions.
 
(ii) Sketch free hand the front View and top View of a 60° Counter Sunk Head Rivet of diameter 20 mm. Keep its axis vertical. Give standard dimensions.
.OR
Sketch free hand the front view and side view of a Squareneck Stud of size M20, keeping its axis horizontal. Give standard dimensions.
 
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Review model practice papers for Class 12 Engineering Drawing. Working through the CBSE Class 12 Engineering Graphics Boards 2021 Sample Paper Solved under simulated test conditions at home ensures complete familiarity with upcoming school evaluations.

Key Advantages of Solving CBSE Class 12 Engineering Graphics Boards 2021 Sample Paper Solved

  • Exam Blueprint: Understand mark allocations and structural guidelines relevant to Class 12 evaluations.
  • Targeted Improvement: Identify weak areas in Class 12 Engineering Drawing requiring focused revision.
  • Pacing & Precision: Practice mixed question formats to build execution speed and ensure timely paper completion.

Post-Practice Strategy for Class 12 Engineering Drawing

  1. Review Solutions: Evaluate your completed papers using expert-verified guidance inside our solution sets.
  2. Target Weaknesses: Class 12 students should analyze missed questions to rectify conceptual misunderstandings.
  3. Deep Revision: Re-read sections in the NCERT book for Class 12 Engineering Drawing to clear doubts before solving items again.

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How can practicing CBSE Class 12 Engineering Graphics Boards 2021 Sample Paper Solved help in exam preparation?

Practicing this Engineering Drawing paper helps in time management and identifying important topics. For Class 12, solving mock papers is the best way to gain confidence and reduce exam-day anxiety.

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