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Heat Engines MCQs | Page - 40

Dear candidates you will find MCQ questions of Heat Engines here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.

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Mr. Dubey • 51.43K Points
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Q. 391) Which of the following fuel can be obtained by fermentation of vegetable matter?

(A) Alcohol
(B) Gasoline
(C) Benzene
(D) Carbon dioxide
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Mr. Dubey • 51.43K Points
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Q. 392) If performance of SI engines of different manufacture having different capacities, sizes and systems are to be compared the common parameter would be

(A) Engine cylinder diameter
(B) B.H.P.
(C) Weight of engine
(D) Mean effective pressure
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Mr. Dubey • 51.43K Points
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Q. 393) Which of the following is not a part of diesel engine?

(A) Gudgeon pin
(B) Air filter
(C) Oil pump
(D) Condenser
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Mr. Dubey • 51.43K Points
Coach

Q. 394) Compression ratio for spark ignition engines varies in the range

(A) 6 to 12
(B) 20 to 25
(C) 4 to 6
(D) 25 to 30
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Mr. Dubey • 51.43K Points
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Q. 395) If a heat engine given an output of 3.5 kW and input is 10000 Joules per second, the thermal efficiency of the engine will be

(A) 66?%
(B) 35%
(C) 30%
(D) 65%
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Mr. Dubey • 51.43K Points
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Q. 396) Inlet valve of a IC engine remains open for

(A) 180?
(B) 250?
(C) 300?
(D) 150?
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Mr. Dubey • 51.43K Points
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Q. 397) The capacity of an automobile battery is expressed in terms of

(A) Number of cells
(B) Number of plate
(C) Ampere hours
(D) Amperes
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Mr. Dubey • 51.43K Points
Coach

Q. 398) In diesel engines thermal efficiency may be expected in the range

(A) 35 to 40 percent
(B) 10 - 15 percent
(C) 15 to 25 percent
(D) 50 percent
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Mr. Dubey • 51.43K Points
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Q. 399) In reciprocating air compressor, the method of controlling the quantity of air delivered is done by

(A) Clearance Control
(B) Throttle Control
(C) Blow-off Control
(D) All of the above
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Mr. Dubey • 51.43K Points
Coach

Q. 400) Motor cycles generally have

(A) Evaporative cooling system
(B) Natural cooling engines
(C) Ice cooled engines
(D) Air cooled engines
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