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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
Coach

Q. 1) A gas used in gas engine trial was tested in a Boys Calorimeter. The pressure of gas supply was 7 cm of water column. If the barometric pressure is 760 mm of mercury, the absolute pressure of the gas would be

(A) 0.007 kg/sq-cm
(B) 0.14 kg/sq-cm
(C) 1.04 kg/sq-cm
(D) 1.14 kg/sq-cm
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Mr. Dubey • 51.43K Points
Coach

Q. 2) A cross-head has

(A) Reciprocating motion
(B) Rotory motion
(C) Oscillating motion
(D) (A) and (B) only
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Mr. Dubey • 51.43K Points
Coach

Q. 3) An average percentage of Carbon and Hydrogen in Petrol may be roughly given as

(A) 70% C, 70% H2
(B) 15% C, 85% H2
(C) 50% C, 50% H2
(D) 85% C, 150% H2
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Mr. Dubey • 51.43K Points
Coach

Q. 4) The overload capacity of diesel engine is usually around

(A) 50%
(B) Carbon dioxide
(C) 1%
(D) 10%
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M

Mr. Dubey • 51.43K Points
Coach

Q. 5) A gas turbine plant operates between 1 ata and 9 ata with minimum and maximum cycle temperature of 25?C and 1000?C. A two stage compressor is provided with perfect intercooling and work is equally divided between the two stages. The intermediate pressure will be

(A) 5.5 ata
(B) 3 ata
(C) 4 ata
(D) 7.5 ata
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Mr. Dubey • 51.43K Points
Coach

Q. 6) In cse the exhaust silencer of a petrol engine is partly choked, it is likely to result in

(A) Increased compression ratio
(B) Increased fuel consumption
(C) Reduced fuel consumption
(D) Reduced compression ratio
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Mr. Dubey • 51.43K Points
Coach

Q. 7) Which of the following engine uses two fuel simultaneously?

(A) Multi-fuel engine
(B) Duel fuel engine
(C) Wankle engine
(D) Free piston gas generator
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Mr. Dubey • 51.43K Points
Coach

Q. 8) Which of the following constituent of air has the least proportion?

(A) Carbon monoxide
(B) Xenon
(C) Argon
(D) Helium
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Mr. Dubey • 51.43K Points
Coach

Q. 9) Which of the following is a false statement. A multicylinder diesel engine is missing on one or more cylinders. The cause may be

(A) Valve sticky
(B) Insufficient fuel supply to cylinders
(C) Compression poor
(D) Air cleaner plugged
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Mr. Dubey • 51.43K Points
Coach

Q. 10) If a steam injector lifts the water but fails to force it into the boiler, the trouble may not be due to

(A) Combining tube clogged
(B) Insufficient steam pressure
(C) Sry steam
(D) Leake in water pipe
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