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(Download) CBSE Class-12 Sample Paper 2019-20 : Auto Engineering

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(Download) CBSE Class-12 Sample Paper 2019-20 : Auto Engineering

Class: XII
Sample Question Paper 2019-20


Mark the correct answer (1mark each).
Answer any 10 questions out of the given 12 questions:

1. The vehicles which are generally running in hilly-road, are given.
a. Positive camber
b. Zero camber
c. Negative camber
d. None of the above

2. Maximum inclination of propeller shaft fitted with Hooke’s Joint (cross or spider type Joint) is
a. 100
b. 150
c. 200
d. 250

3. The purpose of a suspension damper is to
a. Resist the road shocks
b. Reduce the ‘bump’ stroke of the spring
c. Absorb the energy stored in the spring
d. All above.

4. The battery case is  made of______________________________.
a. Poly-propylene
b. Hard-rubber
c. Plastic base materials
d. Any of the above materials

5. The distributor serves the following purposes in the ignition system
a. It operates break and make mechanism
b. It distributes high tension current to spark plug at correct time
c. both (a) and (b)
d. None of above

6. The oil forms an oil film at the metal surface to reduce the ________________between the metal surfaces.
a. Speed.
b. Friction.
c. Both a and b.
d. None of above.

7. Generally, when the temperature is increased, the viscosity of oil will _______.
a. remains same.
b. increase.
c. decrease.
d. None of above.

8. The ______________ of pressure cap opens to allow reverse flow back into the radiator when the coolant temperature drops after engine operation.
a. pressure valve
b. vacuum valve
c. both a and b
d. none of above.

9. If the camber on the two front wheels is not equal, the vehicle will try to pull towards the side where.
a. The camber is higher.
b. The camber is lower
c. Both (a) & (b)
d. None of the above

10. For a private new car the initial fitness certificate is valid for
a. 20 years
b. 15 years
c. 10 years
d. 5 years

11. The violation of which of the following road safety signs is a legal offence?
a. Mandatory signs
b. Cautionary signs
c. Information signs
d. All of the above

12. _________________allows coolant to circulate freely only within the engine block until the operating temperature is reached.
a. Radiator
b. Hose pipe
c. Thermostat
d. none of the above.

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