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Mechanical Engineering
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Automobile Engineering
Comments
Question
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
Correct Answer
a few minutes after the ignition switch is turned off
Automobile Engineering problems
Search Results
1. The crankshaft of a typical in-line four cylinder engine has __________ balance weights.
Options
A. 12
B. 4
C. 16
D. 8
Show Answer
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Discuss
Correct Answer: 8
2. 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
Show Answer
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Discuss
Correct Answer: 1.28
3. 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
Show Answer
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Discuss
Correct Answer: fuel can be used in a test engine without knocking
4. 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
Show Answer
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Discuss
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.
5. 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
Show Answer
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Discuss
Correct Answer: transmits slight kickback to the driver's foot
6. In a four wheel drive (4WD), the number of gear boxes are
Options
A. 1
B. 2
C. 3
D. 4
Show Answer
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Discuss
Correct Answer: 2
7. 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
Show Answer
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Discuss
Correct Answer: incomplete valve closure
8. Which of the following oil is more viscous?
Options
A. SAE 30
B. SAE 40
C. SAE 70
D. SAE 80
Show Answer
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Discuss
Correct Answer: SAE 80
9. A heat treated glass generally used in automobiles bursts into __________ upon cracking,
Options
A. sharp edged fragments
B. small particles
Show Answer
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Discuss
Correct Answer: small particles
10. A maintenance free battery
Options
A. has lead-antimony plate grid
B. has lead-calcium plate grid
C. does not contain acid
D. does not contain water
Show Answer
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Discuss
Correct Answer: has lead-calcium plate grid
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