Refrigeration and Air Conditioning In a vapour compression system, the condition of refrigerant is dry saturated vapour After leaving the compressor After leaving the condenser Before entering the compressor Before entering the condenser After leaving the compressor After leaving the condenser Before entering the compressor Before entering the condenser ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In air-conditioning of aeroplanes, using air as a refrigerant, the cycle used is Reversed Joule cycle Reversed Carnot cycle Reversed Brayton cycle Reversed Otto cycle Reversed Joule cycle Reversed Carnot cycle Reversed Brayton cycle Reversed Otto cycle 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.)P = ( O.P)P = ( O.P)R O.P.)P = ( O.P)R - 1 ( ( O.P.)R + 1 ( O.P.)R + 2 ( O.P)P = ( O.P.)P = ( O.P)P = ( O.P)R O.P.)P = ( O.P)R - 1 ( ( O.P.)R + 1 ( O.P.)R + 2 ( O.P)P = ( ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The superheating in a refrigeration cycle Does not alter C.O.P. Increases C.O.P. Decreases C.O.P. None of these Does not alter C.O.P. Increases C.O.P. Decreases C.O.P. None of these ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following refrigerants has lowest freezing point? Freon-12 NH3 Freon-22 CO2 Freon-12 NH3 Freon-22 CO2 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The material of pipe lines for a system using Freon as a refrigerant should be Brass Copper Aluminium Steel Brass Copper Aluminium Steel ANSWER DOWNLOAD EXAMIANS APP
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