CBSE Class 12 Engineering Science Boards 2020 Question Paper

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 Other Subjects have been provided with solutions which will help students to assess their performance and find out topics in Other Subjects 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 Other Subjects available on our website to build strong understanding of the subject


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.



Click to View or Download pdf file
Click for more Other Subjects Study Material

Latest NCERT & CBSE News

Read the latest news and announcements from NCERT and CBSE below. Important updates relating to your studies which will help you to keep yourself updated with latest happenings in school level education. Keep yourself updated with all latest news and also read articles from teachers which will help you to improve your studies, increase motivation level and promote faster learning

CBSE Board Examination Scheme of Assessment 2021 2022

A. Academic session to be divided into 2 Terms with approximately 50% syllabus in each term: The syllabus for the Academic session 2021-22 will be divided into 2 terms by following a systematic approach by looking into the interconnectivity of concepts and topics by...

CBSE Class 12 Evaluation Criteria 2021

SUMMARY OF THE POLICY FOR TABULATION OF MARKS FOR CLASS XII BOARD EXAMINATIONS 2021   1(a) Due to cancellation of the Board examinations, the assessment of theory portion of 80/70/60/50/30 marks will be done by the school based on the following:     Class...

Moderation of Marks Class 11 and 12 Board Exams

The portal for moderation and finalization of results for Class-12 is being opened from 16.07.2021 to 22.07.2021. As Board has to declare the result latest by 31.07.2021, schools have been requested to follow the schedule strictly and complete the moderation within...

FAQs on Policy for Tabulation of Marks for Class 10 Board Exams

ON POLICY Question.1 How CBSE will declare the result of Class-X? Answer. Results of Class X Board will be declared on the basis of an objective criterion developed by the Board vide Notification no.CBSE/CE/2021 dated 01.05.2021. Question.2. If any candidate is not...

CBSE asks schools to load Class 12 Internal Assessment Marks

This has a reference to the letter no CBSE/COORD/2021 dated 11.02.2021 regarding conduct of the School-Based Assessment (Internal Assessment/Practical/ Project) of Class-XII and uploading the marks by 11.06.2021. It has been observed that some schools have not been...

Studies Today