Q. The energy transfer between the hot fluid and cold fluids is brought about by their complete physical mixing in
✅ Correct Answer: (A)
direct contact heat exchanger
Thermal Engineering MCQs | Page - 54
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. In vapour refrigeration cycle, which of the following is used for expansion?
✅ Correct Answer: (B)
throttling valve or capillary tube
Q. One tonne of refrigeration is given as the rate of heat removal from surroundings equivalent to heat required for melting one tonne of ice in a day.
✅ Correct Answer: (A)
true
Q. Superheating of vapour and subcooling of liquid the refrigerating effect.
✅ Correct Answer: (B)
increases
Q. A condenser must and then the compressed refrigerant.
✅ Correct Answer: (D)
desuperheat, condense
Q. The vapour going to condenser is in temperature and in ammonia.
✅ Correct Answer: (D)
lower, richer
Q. Water is used as a in air conditioning units.
✅ Correct Answer: (B)
refrigerant
Q. Which of the following types of filters used in the air conditioning system is made of cloth that is discarded on getting dirty?
✅ Correct Answer: (B)
dry filter
Q. Select the disadvantage of cooling pond out of the given?
✅ Correct Answer: (C)
there is no control over the temperature of cooled water
Q. How is water circulated throughout the dry cooling tower system?
✅ Correct Answer: (A)
finned tubes
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