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Automobile Engineering
Comments
Question
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
Correct Answer
the heat of compression
Automobile Engineering problems
Search Results
1. The negative terminal post on the top of a battery is
Options
A. smaller than the positive terminal post
B. larger than the positive terminal post
C. of the same size as the positive terminal post
D. none of these
Show Answer
Scratch Pad
Discuss
Correct Answer: smaller than the positive terminal post
2. Which one of the following statements correctly describes the construction of a planetary gear type differential?
Options
A. The six planetary pinions rotate in constant mesh with the internal gears.
B. One drive shaft is splined to the central gear and the other to the planetary gear.
C. Each planetary pinion gear meshes with both the central gear and the internal gear.
D. The internal gear is fixed to the planetary gear.
Show Answer
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Discuss
Correct Answer: One drive shaft is splined to the central gear and the other to the planetary gear.
3. The Diesel engines are also known as
Options
A. spark ignition (S.I.) engines
B. compression ignition (C.I.) engines
C. steam engines
D. none of these
Show Answer
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Discuss
Correct Answer: compression ignition (C.I.) engines
4. The basic purpose of tyres is to
Options
A. grip the road and provide good traction
B. substitute for springs
C. act as brake
D. none of these
Show Answer
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Discuss
Correct Answer: grip the road and provide good traction
5. The power source for a brake booster is
Options
A. exhaust manifold pressure
B. electricity
C. the pressure difference between the atmospheric pressure and the vaccum pressure in the intake manifold
D. hydraulic pump
Show Answer
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Discuss
Correct Answer: the pressure difference between the atmospheric pressure and the vaccum pressure in the intake manifold
6. 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
Show Answer
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Discuss
Correct Answer: delay period
7. 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
Show Answer
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Discuss
Correct Answer: selects the synchronizer
8. 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
Show Answer
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Discuss
Correct Answer: all of these
9. 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
Show Answer
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Discuss
Correct Answer: one-half turn
10. Cushioning springs in clutch plate reduces
Options
A. vehicle speed
B. torsional vibrations
C. jerky starts
D. none of these
Show Answer
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Discuss
Correct Answer: jerky starts
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