NBSE Class 11 Question Paper 2022 Automotive

Total number of printed pages : 2 NB-XI/AU(V) 2022 CLASS - XI Automotive (Vocational) Total marks : 50 Time : 2 hours General instructions : i) Approximately 15 minutes is allotted to read the question paper and revise the answers. ii) All questions are compulsory except Q. nos.18 to 23 where general option is given. iii) The question paper consists of 23 questions. iv) Marks allocated to every question are indicated against it. N.B: Check to ensure that all pages of the question paper are complete as indicated on the top left side. 1. Choose the correct answer from the given alternatives: 10x1=10 i. A figure bounded by four straight sides is called a) equilateral triangle b) quadrilateral c) triangle d) square ii. Loose induction manifold may cause a) vacuum leakage b) pressure leakage c) hydraulic leakage d) emission leakage iii. Which of the following is not a component of the gearbox? a) Gear linkage b) Gear lever c) Piston d) Gear shifter lock iv. It is a single casted unit mounted on stub axle shaft or on the casing. a) Wheel hub b) Disc wheels c) Alloy wheel d) Forged wheel v. Brakes which are assisted to work on compressed air are called a) mechanical brakes b) hydraulic brakes c) disc brakes d) pneumatic brakes vi. Which of the following is the correct example of oral communication? a) Reports b) Newspapers c) Face-to-face interaction d) Notes vii. The practice or habit of keeping ourselves clean is known as a) personal hygiene b) grooming c) cleanliness d) healthy life style viii. Which menu option has the commands Save, Print and Close? a) Insert b) File c) Tools d) Format ix. Which short cut key is used to create a new document? a) Ctrl+c b) Ctrl+d c) Ctrl+n d) Ctrl+x x. Swachh Bharat Abhiyan is associated with a) renewable energy b) clean energy c) social protection d) sanitation and cleanliness

-2- NB-XI/AU(V) Answer the following questions in one word or one sentence: 2. What is construction in geometry? 1 3. Write the full form of HSLA. 1 4. What is an odometer? 1 5. What is a gearbox? 1 6. Mention any one step for repairing mechanical brakes. 1 7. What is self motivation? 1 8. Write any two principles of idea creation. 1 9. In SMART goal setting, what does the letter ‘A’ and ‘T’ stands for? 1 Answer the following questions in 20-50 words: 10. What is a mechanical fastener? Give two examples. 1+1=2 11. Differentiate between direct and indirect measuring instruments. 2 12. State any two selective procedures to check the leakage in an engine. 2 13. What is the transmission system in an automotive? Mention any two things that should be checked regularly in this system. 1+1=2 14. Mention any two steps of changing lubricating oil. 2 15. Write any two advantages of tubeless tyre. 2 16. Write any two functions of a good braking system. 2 17. What is the main difference between manufacturing and trading business activities? 2 Answer any four from the following questions in 60-100 words: 18. Write the meanings of any four types of basic line. 4 19. Briefly explain any four types of bolt. 4 20. State four advantages of using plastic in the automobile industry. 4 21. Write any four steps for fuel tuning. 4 22. Briefly explain four components of the transmission system of a car. 4 23. Mention four differences between cold patch and hot patch method of repairing punctured tube. 4 ******************************************