The capillary tube, as an expansion device, is used in Room air conditioners Water coolers Domestic refrigerators All of these TRUE ANSWER : ? YOUR ANSWER : ?
During humidification process, __________ increases. Dry bulb temperature Relative humidity Specific humidity Wet bulb temperature TRUE ANSWER : ? YOUR ANSWER : ?
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 Cooling and dehumidification Dehumidification Dehumidification and pure sensible cooling Cooling and humidification TRUE ANSWER : ? YOUR ANSWER : ?
As relative humidity decreases, the dew point temperature will be ___ wet bulb temperature. Same as Higher than None of the listed here Lower than TRUE ANSWER : ? YOUR ANSWER : ?
The relative coefficient of performance is None of these Actual COP/theoretical COP Actual COP × theoretical COP Theoretical COP/actual COP TRUE ANSWER : ? YOUR ANSWER : ?
The lower horizontal line of the refrigeration cycle plotted on pressure-enthalpy diagram represents Evaporation of the refrigerant liquid Condensation of the refrigerant vapour Compression of the refrigerant vapour Metering of the refrigerant liquid TRUE ANSWER : ? YOUR ANSWER : ?
During dehumidification process, _________ remains constant. Specific humidity Dry bulb temperature Relative humidity Wet bulb temperature TRUE ANSWER : ? YOUR ANSWER : ?
The thermostatic expansion valve operates on the changes in the Pressure in the evaporator None of these Degree of superheat at exit from the evaporator Temperature of the evaporator TRUE ANSWER : ? YOUR ANSWER : ?
The horizontal and non-uniformly spaced lines on a psychrometric chart indicates Specific humidity Wet bulb temperature Dew point temperature Dry bulb temperature TRUE ANSWER : ? YOUR ANSWER : ?
Aqua ammonia is used as refrigerant in the following type of refrigeration system Absorption Compression Indirect Direct TRUE ANSWER : ? YOUR ANSWER : ?