CBSE Class 12 Engineering Science Boards 2020 Question Paper

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Official CBSE Exam Papers for Class 12 Engineering Science

Access comprehensive previous year question papers for Class 12 Engineering Science using the CBSE Class 12 Engineering Science Boards 2020 Question Paper. Designed to align with the 2026-27 CBSE academic guidelines, these solved papers help students assess their exam readiness and understand official marking schemes.

Solved Previous Year Papers for Engineering Science

View or download the dedicated CBSE Class 12 Engineering Science Boards 2020 Question Paper resource below. Engaging with these previous year papers under timed conditions ensures continuous academic progress and mastery of the 2026-27 exam format.

ENGINEERING SCIENCE

SECTION A
Answer any ten questions out of the given 12 questions of 1 mark each :
 
1. Which of the following is not a temporary fastener ?
 
(i) Riveted joint
 
(ii) Welded joint
 
(iii) Nut and Bolt
 
2. In a V-thread, which of the following is the angle between the flanks ?
 
(i) 450
 
(ii) 300
 
(iii) 600
 
3. Which of the following is not a type of thread ?
 
(i) BSF
 
(ii) BSW
 
(iii) Isometric
 
4. For square rods, which of the following joints is preferred ?
 
(i) Socket and Spigot joint
 
(ii) Gib and Cotter joint
 
(iii) Sleeve and Cotter joint
 
5. Lead in a multiple thread is obtained by multiplying pitch with number of threads. Is this correct ?
 
6. A protected coupling is enclosed in a cage so that it does not harm any one. Is this correct ?
 
7. Spring washer is a sort of locking device. Is this correct ?
 
8. Give any two types of sections of solids.
 
9. A circular plane is inclined to HP and is perpendicular to VP. Which of the following is the top view ?
 
(i) Ellipse
 
(ii) Circle
 
(iii) A line
 
10. A polyhedron having a plane base and triangular faces meeting at apex, is called as :
 
(i) Pyramid
 
(ii) Prism
 
(iii) Cone
 
11. The top portion of a cone is cut by a plane parallel to base. What is the remaining portion called from the following ?
 
(i) Frustrum
 
(ii) Ellipse
 
(iii) Circle
 
12. Which method is used for development of prism from the following ?
 
(i) Parallel line development
 
(ii) Radial line development
 
(iii) Appropriation development
 
13. Name any three temporary fasteners.
 
14. Draw the profile of a buttress thread and give its angle.
 
15. Give examples of three types of bolts.
 
16. Name any three types of rivet heads.
 
17. Draw the sketch of a Gib Head key.
 
18. Give an example of a revolved section.
 
19. Draw the development of a triangular pyramid
 
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Class 12 Engineering Science Past Exam Papers & Resources

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FAQs

Where can I download the official PDF for CBSE Class 12 Engineering Science Boards 2020 Question Paper?

The CBSE Class 12 Engineering Science Boards 2020 Question Paper is available for download on StudiesToday.com. It includes complete set with all sections so that Class 12 students can practice with the exact same paper that came in the CBSE exams.

Are the solutions for CBSE Class 12 Engineering Science Boards 2020 Question Paper based on the official CBSE marking scheme?

Yes, the solutions for CBSE Class 12 Engineering Science Boards 2020 Question Paper are prepared by subject matter experts as per official marking scheme. Class 12 students will understand the structure of answers and 'step-marks' methodology Engineering Science.

How does solving CBSE Class 12 Engineering Science Boards 2020 Question Paper help in preparing for the 2026 exams?

Solving previous year papers like CBSE Class 12 Engineering Science Boards 2020 Question Paper is important to understand repeat themes and question difficulty levels of Engineering Science. It helps Class 12 students to test their time management skills too.

Can I access CBSE Class 12 Engineering Science Boards 2020 Question Paper in different languages?

Yes, where applicable, CBSE Class 12 Engineering Science Boards 2020 Question Paper is available in both English and Hindi mediums. All students from Class 12 can access Engineering Science study material in their preferred language.

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No, all previous year question papers on StudiesToday, including CBSE Class 12 Engineering Science Boards 2020 Question Paper, are provided free of charge in mobile-friendly PDF.