Automobile Engineering problems
- 1. In a Diesel engine, the fuel is ignited by
Options- A. an electric spark
- B. the heat of compression
- C. the hot exhaust
- D. none of these Discuss
Correct Answer: the heat of compression
- 2. In Diesel engines, the duration between the time of injection and the time of ignition is called
Options- A. spill cut-off
- B. delay period
- C. injection period
- D. ignition period Discuss
Correct Answer: delay period
- 3. The gear shift lever requires two separate motions to shift gears, and the first movement
Options- A. moves the synchronizer
- B. selects the synchronizer
- C. meshes the gears
- D. operates the clutch Discuss
Correct Answer: selects the synchronizer
- 4. The advantage of the fuel injection system over the carburetor system is
Options- A. improved fuel efficiency
- B. improved emission
- C. improved power output
- D. all of these Discuss
Correct Answer: all of these
- 5. In a four stroke engine for each crankshaft revolution, the camshaft revolves
Options- A. one-half turn
- B. one turn
- C. two turns
- D. four turns Discuss
Correct Answer: one-half turn
- 6. Cushioning springs in clutch plate reduces
Options- A. vehicle speed
- B. torsional vibrations
- C. jerky starts
- D. none of these Discuss
Correct Answer: jerky starts
- 7. The clutch is located between the transmission and the
Options- A. engine
- B. rear axle
- C. propeller shaft
- D. differential Discuss
Correct Answer: engine
- 8. The specific gravity of petrol is about
Options- A. 0.75
- B. 0.85
- C. 0.95
- D. 1.25 Discuss
Correct Answer: 0.75
- 9. The condition that results in large quantities of HC emission is
Options- A. high temperature combustion
- B. incomplete combustion
- C. low temperature combustion
- D. high atmospheric temperature combustion Discuss
Correct Answer: incomplete combustion
- 10. The minimum parking brake force is generally __________ of gross vehicle mass (GVM).
Options- A. 5%
- B. 10%
- C. 15%
- D. 20% Discuss
Correct Answer: 20%
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