CBSE Class 10 Automobile Technology 2019 Question Paper
This question paper contains 31 questions out of which you need to attempt only 23 questions.
Section A
Multiple Choice Questions
1. Which of the following is not a component of Petrol Engine ?
(a) Fuel Injection Pump (FIP) (b) Ignition coil
(c) Distributor (d) Fuel filter
2. In a fully charged lead-acid battery the active materials for positive plates is
(a) Pure lead (Pb) (b) Lead peroxide (PbO2)
(c) Spongy lead (d) Sulphuric acid (H2SO4)
3. To form an impression of the tip on a workpiece, which of the following tools is used ?
(a) Punch
(b) Snips
(c) Hammer
(d) Wrenches
4. Tachometer is used to measure the
(a) Resistance of a circuit (b) Speed of vehicle
(c) Speed of engine (d) Power of engine
5. Which of the following measuring tools does not have the in-built measuring scale ?
(a) Steel ruler (b) Caliper
(c) Screw gauge (d) Vernier caliper
6. Wheel balancing helps in minimizing
(a) Weight (b) Traction
(c) Tyre vibration (d) Air pressure
7. Air filter of a vehicle is cleaned by
(a) Chemical (b) Water
(c) Kerosene (d) Air blower
8. In the process of manual wash of a car, _____ is used for cleaning of windscreen and window glasses.
(a) Detergent
(b) Dish soap
(c) Terry cloth
(d) Newspaper
9. For better performance of cooling system in a car and to keep the radiator system free of corrosion, change the coolant after every
(a) 6 months (b) 1 year
(c) 2 years (d) 3 years
10. Microprocessors in automobiles must withstand temperature swings from _____ to _____ °C.
(a) 0° to 100° (b) 0° to 120°
(c) - 40° to 130° (d) - 20° to 100°
11. As per service manual, it is mandatory to check the level of engine oil and coolant
(a) Daily
(b) Weekly
(c) Fortnightly
(d) Monthly
12. The useful information given in the owner’s manual should always be followed as per schedule in order to improve the ______ of the vehicle.
(a) look (b) fuel mileage
(c) tyre life (d) safety system
Very Short Answer Type Questions
13. Define engine capacity.
14. Write the function of thermostat in liquid cooling system.
15. What is un-sprung weight ?
16. Write the function of ignition coil in the S.I. engine.
17. How can one prepare a car for changing engine oil ?
18. Write the properties of an ideal coolant.
19. Why is replacement of fuel filter necessary at the manufacturer’s recommended interval ?
Short Answer Type Questions
20. What are the requirements of a good braking system in a vehicle ?
21. With sketch, explain the hypoid gears of final drive.
22. Explain torque wrench in brief.
23. What are the materials and tools required for changing of fuel filter in a car ?
24. Define ‘Customer Service’ and ‘Customer Support’.
25. Explain ‘Anti-lock Braking System (ABS)’ in automobiles.
26. What is the information provided in a service manual to the vehicle owner ?
Section B
Long Answer Type Questions
27. Write the classification and uses of the following hand tools :
(a) Hammer
(b) Chisel
28. Write the step-by-step procedure for manually cleaning/washing a vehicle.
29. Explain important aspects of customer service.
30. Explain the following new innovations in car safety technology :
(a) Tyre air pressure monitoring system
(b) Blind-spot detection technology
31. Explain the suspension system in a vehicle.