Heat Transfer Refrigeration and Air Conditioning MCQ with Answers

Heat Transfer Refrigeration and Air Conditioning MCQ with Answers

176) A designer chooses the values of fluid flow rates and specific heats in such a manner that the heat capacities of the two fluids are equal. A hot fluid enters the counter flow heat exchanger at 100 Degree Centigrade and leaves at 60 Degree Centigrade. A co

Answer is:

20 Degree Centigarde

177) The inclined and non-uniformly spaced straight lines on a psychrometric chart indicates wet bulb temperature.

Answer is:

Agree

178) The heat is transferred by conduction, convection and radiation in

Answer is:

boiler furnaces

179) A thermostatic expansion valve in a refrigeration system

Answer is:

ensures the evaporator completely filled with refrigerant of the load

180) The temperature rise, between the condenser outlet and expansion valve in ammonia vapour compression system, should be as low as possible.

Answer is:

Yes

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