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- Question
The fuel that detonates easily, is
Options- A. n-heptane
- B. iso-octane
- C. benzene
- D. alcohol
- Correct Answer
- n-heptane
- 1. The problems caused by the wheel imbalance are
Options- A. hard steering and hard ride
- B. poor acceleration and hard steering
- C. steering wheel vibrations and uneven tyre wear
- D. poor acceleration and reduced fuel efficiency Discuss
- 2. The most commonly used power plant in automobiles is
Options- A. gas turbine
- B. I.C. engine
- C. battery
- D. none of these Discuss
- 3. The main feature of MacPherson strut suspension is that
Options- A. the vertical size of the suspension can be made more compact
- B. non-vertical external forces are supported by the suspension arms
- C. the unsprung mass in lighter
- D. the assembly is slightly more complicated in design Discuss
- 4. The compression ratio of a petrol engine is nearly
Options- A. 4:1
- B. 8:1
- C. 15:1
- D. 20:1 Discuss
- 5. The mechanical efficiency (?m) of an I.C. engine is equal to (where I.P. = Indicated power, B.P. = Brake power and F.P. = Frictional power)
Options- A. I.P/B.P.
- B. B.P/I.P.
- C. B.P/F.P
- D. F.P./B.P. Discuss
- 6. The sequence order of events in a four-stroke engine is
Options- A. suction - exhaust - power - compression
- B. suction - power - compression - exhaust
- C. suction - compression - power - exhaust
- D. exhaust - compression - power - suction Discuss
- 7. The rolling resistance is because of the friction between the
Options- A. wheel rim and tyre
- B. tyre and the road surface
- C. wheel rim and road surface
- D. none of these Discuss
- 8. The motion of the cam is transferred to the rocker arm, moving it upwards and downwards. This rocker-arm motion then forces the valve downwards against the force in the valve spring so that the valve can open.
Options- A. True
- B. False Discuss
- 9. Vulcanizing means
Options- A. heating rubber under pressure
- B. spraying with special paint
- C. melting rubber while stirring it
- D. none of these Discuss
- 10. The basic part of the engine, to which the other engine parts are attached or assembled is the
Options- A. cylinder head
- B. crankshaft
- C. cylinder block
- D. oil pan Discuss
Automobile Engineering problems
Search Results
Correct Answer: steering wheel vibrations and uneven tyre wear
Correct Answer: I.C. engine
Correct Answer: non-vertical external forces are supported by the suspension arms
Correct Answer: 8:1
Correct Answer: B.P/I.P.
Correct Answer: suction - compression - power - exhaust
Correct Answer: tyre and the road surface
Correct Answer: True
Correct Answer: heating rubber under pressure
Correct Answer: cylinder block
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