Q. The undesireable property of a refrigerant is

View solution

Q. The dry bulb temperature during sensible heating of air

View solution

Q. Radiation is the process of heat transfer in which heat flows from a __________ , in a straight line, without affecting the intervening medium.

View solution

Q. The heating of air, without any change in its specific humidity, is known as sensible heating.

View solution

Q. During sensible cooling of air, specific humidity

View solution

Q. The transfer of heat by molecular collision is known as

View solution

Q. In a psychrometric chart, specific humidity (moisture content) lines are

View solution

Q. The expression Q = ρ AT4 is called

View solution

Q. The capillary tube, as an expansion device, is used in

View solution

Q. In aircraft, air refrigeration Cycle is used because of

View solution

Q. The material of pipe lines for a system using freon as a refrigerant should be

View solution

Q. The temperature of air recorded by a thermometer, when the moisture present in it begins to condense, is called wet bulb temperature.

View solution

Q. In a pressure enthalpy chart, the space to the left of the saturated liquid line represents

View solution

Q. It is desired to condition the outside air from 70% relative humidity and 45° C dry bulb temperature to 50% relative humidity and 25° C dry bulb temperature (room condition). The practical arrangement will be

View solution

Q. During heating and dehumidification process, dry bulb temperature

View solution

Q. The C.O.P. of a refrigerator working on a reversed Carnot cycle is (where T1 = Lowest absolute temperature, and T2 = Highest absolute temperature)

View solution

Q. A refrigerant compressor is used to

View solution

Q. In which of the following refrigeration system, waste heat can be effectively used?

View solution

Q. The temperature of air recorded by a thermometer, when it is not effected by the moisture present in the air, is called

View solution

Q. A human body feels comfortable when the heat produced by the metabolism of human body is equal to the

View solution