Discussion
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- Question
Highest useful compression ratio (HUCR) is the highest compression ratio at which the
Options- A. engine can run
- B. engine gives maximum output
- C. engine is most efficient
- D. fuel can be used in a test engine without knocking
- Correct Answer
- fuel can be used in a test engine without knocking
- 1. The function of a governor in automobiles is to
Options- A. limit the power
- B. limit the vehicle speed
- C. maintain constant engine speed
- D. maximise the fuel economy Discuss
- 2. The brake pedal during ABS operation
Options- A. is pushed upward forcefully
- B. pedal stroke becomes longer
- C. transmits slight kickback to the driver's foot
- D. all of the above Discuss
- 3. An over-inflated tyre will wear the tread most near the
Options- A. edges
- B. corners
- C. centre
- D. none of these Discuss
- 4. If a tyre is designated as 175/65 R14 82 S, then the aspect ratio for the tyre is
Options- A. 175
- B. 65
- C. 14
- D. 82 Discuss
- 5. In Diesel engines, during suction stroke, __________ is drawn in the cylinder.
Options- A. air and fuel
- B. only fuel
- C. only air
- D. none of these Discuss
- 6. The specific gravity of acid in a fully charged battery is generally
Options- A. 1.00
- B. 1.28
- C. 1.82
- D. 2.81 Discuss
- 7. The crankshaft of a typical in-line four cylinder engine has __________ balance weights.
Options- A. 12
- B. 4
- C. 16
- D. 8 Discuss
- 8. The engine oil level should be checked
Options- A. immediately after the ignition switch is turned off
- B. while the engine is running
- C. a few minutes after the ignition switch is turned off
- D. while the engine is running at high-idle speed Discuss
- 9. In a four wheel drive (4WD), the number of gear boxes are
Options- A. 1
- B. 2
- C. 3
- D. 4 Discuss
- 10. If the valve clearances are excessively large, the problem that can arise is
Options- A. overheating of the engine
- B. incomplete valve closure
- C. fouling of spark plug by gasoline
- D. none of these Discuss
Automobile Engineering problems
Search Results
Correct Answer: maintain constant engine speed
Explanation:
The function of a governor in automobiles is to limit fuel to the engine to a maximum safe speed when unloaded and to maintain a relatively constant speed despite changes in loading.
Correct Answer: transmits slight kickback to the driver's foot
Correct Answer: centre
Correct Answer: 65
Correct Answer: only air
Correct Answer: 1.28
Correct Answer: 8
Correct Answer: a few minutes after the ignition switch is turned off
Correct Answer: 2
Correct Answer: incomplete valve closure
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