Q. Heating wet steam at constant temperature is heating it at constant
✅ Correct Answer: (B)
pressure
Thermal Engineering MCQs | Page - 3
Dear candidates you will find MCQ questions of Thermal Engineering 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 state of vapour under saturation condition is described by
✅ Correct Answer: (D)
pressure and dryness fraction
Q. The increase in pressure
✅ Correct Answer: (B)
raises the boiling point of a liquid
Q. What is a pure substance?
✅ Correct Answer: (B)
a substance with constant chemical composition throughout its mass
Q. A pure substance exists in
✅ Correct Answer: (D)
all of the above
Q. Total heat of a substance is also known as
✅ Correct Answer: (D)
enthalpy
Q. Equivalent evaporation of water is the evaporation "for a feed water supply at 100°C
✅ Correct Answer: (A)
and its corresponding conversion into dry saturated steam at 100°C and 1.033 kg/cm2
Q. Cochran boiler is a
✅ Correct Answer: (D)
vertical fire tube boiler
Q. Lancashire 'boiler is a
✅ Correct Answer: (A)
stationary fire tube boiler
Q. The diameter of Cornish boiler is of the order of
✅ Correct Answer: (A)
1-2 m
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