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Automobile Engineering
Comments
Question
Two advantages of using helical gears rather than spur gears in a transmission system are
Options
A. strength and cost
B. strength and less end thrust
C. noise level and strength
D. noise level and economy
Correct Answer
noise level and strength
Automobile Engineering problems
Search Results
1. The starter motor is driven by
Options
A. chain drive
B. gear drive
C. flat belt drive
D. V-belt drive
Show Answer
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Discuss
Correct Answer: gear drive
2. Which part of the automobile tyre is subjected to greatest flexing action?
Options
A. Bead
B. Side wall
C. Shoulder
D. Tread
Show Answer
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Discuss
Correct Answer: Side wall
3. The temperature at which tyre inflation pressure should be checked is
Options
A. 20°C
B. 25°C
C. 35°C
D. ambient temperature
Show Answer
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Discuss
Correct Answer: ambient temperature
4. The main task of a battery in automobiles is to
Options
A. supply electricity to the alternator
B. act as a reservoir or stabilizer of electricity
C. supply electricity to the vehicle's electrical system at all times while the engine is running
D. supply a large amount of power to turn the starter motor when the engine is being started
Show Answer
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Correct Answer: supply a large amount of power to turn the starter motor when the engine is being started
5. The two rows of cylinders in a 'V' type engine are generally arranged at
Options
A. 45°
B. 60°
C. 90°
D. 130°
Show Answer
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Correct Answer: 60°
6. The crescent-shaped cavity on the piston head top surface is called as
Options
A. piston oil hole
B. snap ring
C. valve recess
D. valve clearance
Show Answer
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Discuss
Correct Answer: valve recess
7. The rating of C.I. engine fuel (Diesel) is given by
Options
A. octane number
B. performance number
C. cetane number
D. none of these
Show Answer
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Discuss
Correct Answer: cetane number
8. The stroke of an engine is the
Options
A. volume of the cylinder
B. length of the connecting rod
C. internal diameter of the cylinder
D. distance between T.D.C. and B.D.C.
Show Answer
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Correct Answer: distance between T.D.C. and B.D.C.
9. The characteristic that is enhanced by the use of cylinder sleeves is
Options
A. cooling efficiency
B. resistance to wear
C. lubrication performance
D. none of these
Show Answer
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Discuss
Correct Answer: resistance to wear
10. In a petrol engine, the high voltage for spark plug is in the order of
Options
A. 1000 volts
B. 2000 volts
C. 11 kilovolts
D. 22 kilovolts
Show Answer
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Discuss
Correct Answer: 22 kilovolts
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