Automobile Engineering problems
- 1. The maximum torque multiplication ratio in a torque converter is about
Options- A. 2.5
- B. 10
- C. 25
- D. 40 Discuss
Correct Answer: 2.5
- 2. The function of a carburettor is to control the amount and ratio of air-fuel mixture.
Options- A. True
- B. False Discuss
Correct Answer: True
- 3. The heat transfer from coolant to air in the radiator of an automobile engine takes place by
Options- A. radiation only
- B. convention only
- C. convection and radiation
- D. conduction, convection and radiation Discuss
Correct Answer: convection and radiation
- 4. The connecting rod is attached to the piston by the
Options- A. cap bolt
- B. piston pin
- C. cap roller bearing
- D. rod cap Discuss
Correct Answer: piston pin
- 5. The effect of vapour locking on the brake performance is that the
Options- A. brakes function more effectively
- B. brakes fail completely
- C. brake operation is delayed after depression of the brake pedal
- D. vapour locking has no effect on brake performance Discuss
Correct Answer: brakes fail completely
- 6. The main function of a master cylinder is to
Options- A. adjust the extent of brake pedal free play
- B. boost the force applied to brake pedal
- C. convert brake pedal force into hydraulic pressure
- D. ensure that all the wheel brakes are supplied with the same amount of fluid pressure Discuss
Correct Answer: convert brake pedal force into hydraulic pressure
- 7. In a Diesel engine, the function of a fuel injector is to
Options- A. mix the fuel and air
- B. ignite the air-fuel mixture
- C. provide flame front for ignition
- D. spray atomized fuel in the cylinder Discuss
Correct Answer: spray atomized fuel in the cylinder
- 8. One effect of detonation is
Options- A. delay in ignition
- B. loss of power
- C. overheating of engine
- D. overcooling of engine Discuss
Correct Answer: loss of power
- 9. The basic characteristics of a brake fluid is
Options- A. a high boiling point
- B. low viscosity
- C. compatibility with rubber and metal parts
- D. all of these Discuss
Correct Answer: all of these
- 10. Clutch facings are usually attached to the plate by
Options- A. steel rivets
- B. brass rivets
- C. aluminium screws
- D. steel screws Discuss
Correct Answer: brass rivets
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