CBSE Class 12 Engineering Science Boards 2020 Question Paper

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Read and download CBSE Class 12 Engineering Science Boards 2020 Question Paper designed as per the latest question paper pattern and Class 12 examination guidelines issued by CBSE, NCERT and KVS. The past year Question Papers for Class 12 Engineering Science have been provided with solutions which will help students to assess their performance and find out topics in Engineering Science grade 12 which they need to improve to get better marks in Standard 12 exams. After solving these last year papers also refer to solved Sample Papers for Class 12 Engineering Science available on our website to build strong understanding of the subject

Engineering Science Question Paper Class 12 2020

Students can refer to the below Class 12 Engineering Science Question Paper designed to help students understand the pattern of questions that will be asked in Grade 12 exams. Please download CBSE Class 12 Engineering Science Boards 2020 Question Paper

Engineering Science Class 12 Question Paper 2020

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) 45
 
(ii) 30
 
(iii) 60
 
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
 
Please click on below link to download CBSE Class 12 Engineering Science Boards 2020 Question Paper.

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