Q. On Mollier chart, flow through turbine is represented by
✅ Correct Answer: (B)
vertical straight line
Thermal Engineering MCQs | Page - 2
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. A wet vapour can be completely specified by
✅ Correct Answer: (D)
pressure and dryness fraction.
Q. On Millier chart, the constant pressure lines
✅ Correct Answer: (A)
diverge from left to right
Q. On Mollier chart, free expansion, or throttling process from high pressure to atmosphere is represented by
✅ Correct Answer: (A)
horizontal straight line
Q. The dry saturated steam at very low pressure, (5-10 kg/cm2) when throttled to atmosphere will become
✅ Correct Answer: (B)
superheated
Q. The dry saturated steam at very high pressure (150-200 kg/cm2) when throttled to atmosphere will become
✅ Correct Answer: (A)
wet
Q. In a throttling process
✅ Correct Answer: (C)
steam enthalpy remains constant
Q. The latent heat of steam with increase of pressure
✅ Correct Answer: (C)
decreases
Q. In an experiment to determine dryness fraction of steam, the mass of water separated was 1.2 kg in 15 minutes and the mass of steam passed out in same time was 4.8 kg. Dryness fraction is
✅ Correct Answer: (D)
80%
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