Q. An optical pyrometer works on the principle of
✅ Correct Answer: (B)
Mono-chromatic radiation
Heat Engines MCQs | Page - 4
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.
Q. The top ring nearest to the piston crown is known as
✅ Correct Answer: (C)
Compression ring
Q. The vapour pressure is related to the enthalpy of vaporization in
✅ Correct Answer: (D)
Clausius Clapeyron equation
Q. Flash point of a liquids is the temperature at which
✅ Correct Answer: (C)
The fuel emits vapours at a rate which produces an inflammable mixture with air
Q. According to kinetic theory of heat
✅ Correct Answer: (A)
At absolute zero there is absolutely no vibration of molecules
Q. Regenerative feed heating of steam turbines is done primarily to
✅ Correct Answer: (C)
Improve overall efficiency of the plant
Q. The thermal efficiency of a dual cycle engine with fixed compression ratio and fixed quantity of het and with increase in pressure ratio, will
✅ Correct Answer: (A)
Increase
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