Refrigeration and Air Conditioning When the lower temperature of a refrigerating machine is fixed, then the coefficient of performance can be improved by Lowering the higher temperature Raising the higher temperature Operating the machine at higher speeds Operating the machine at lower speeds Lowering the higher temperature Raising the higher temperature Operating the machine at higher speeds Operating the machine at lower speeds ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The specific humidity during humidification process Decreases None of these Increases Remains constant Decreases None of these Increases Remains constant ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The thermostatic expansion valve is used in ________ type of evaporators. Dry Flooded DX coil None of these Dry Flooded DX coil None of these ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The coefficient of performance (C.O.P.) of a refrigerator working as a heat pump is given by O.P)R - 1 ( O.P.)R + 2 O.P.)P = ( ( O.P.)P = ( ( O.P)P = ( O.P)P = ( ( O.P)R O.P.)R + 1 O.P)R - 1 ( O.P.)R + 2 O.P.)P = ( ( O.P.)P = ( ( O.P)P = ( O.P)P = ( ( O.P)R O.P.)R + 1 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning During dehumidification process, _________ remains constant. Wet bulb temperature Relative humidity Specific humidity Dry bulb temperature Wet bulb temperature Relative humidity Specific humidity Dry bulb temperature ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The coefficient of performance is the ratio of the refrigerant effect to the All of these Heat of compression Work done by compressor Enthalpy increase in compressor All of these Heat of compression Work done by compressor Enthalpy increase in compressor ANSWER DOWNLOAD EXAMIANS APP
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