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 O.P.)P = ( ( ( O.P)P = ( O.P)P = ( O.P)R - 1 ( O.P.)P = ( O.P.)R + 2 ( O.P.)R + 1 O.P)R O.P.)P = ( ( ( O.P)P = ( O.P)P = ( O.P)R - 1 ( O.P.)P = ( O.P.)R + 2 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The coefficient of performance is the ratio of the refrigerant effect to the Work done by compressor Heat of compression All of these Enthalpy increase in compressor Work done by compressor Heat of compression All of these Enthalpy increase in compressor ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning For large tonnage (more than 200 TR) air-conditioning applications, the compressor recommended is Reciprocating Centrifugal Rotating Screw Reciprocating Centrifugal Rotating Screw ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The vapour compression refrigerator employs the following cycle Reversed Carnot Reversed Rankine Carnot Rankine Reversed Carnot Reversed Rankine Carnot Rankine ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In order to collect liquid refrigerant and to prevent it from going to a ________, a device known as accumulator is used at the suction of compressor. Condenser Evaporator Expansion valve Compressor Condenser Evaporator Expansion valve Compressor ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The freezing point of sulphur dioxide is -77.7°C -56.6°C -75.2°C -135.8°C -77.7°C -56.6°C -75.2°C -135.8°C ANSWER DOWNLOAD EXAMIANS APP
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