Refrigeration and Air Conditioning Highest pressure encountered in a refrigeration system should be Much below critical pressure Near critical pressure Critical pressure of refrigerant Much above critical pressure Much below critical pressure Near critical pressure Critical pressure of refrigerant Much above critical pressure ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In vapour compression cycle using NH₃ as refrigerant, initial charge is filled at Suction of compressor Delivery of compressor High pressure side close to receiver Low pressure side near receiver Suction of compressor Delivery of compressor High pressure side close to receiver Low pressure side near receiver ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A refrigerating system operating on reversed Brayton refrigeration cycle is used for maintaining 250 K. If the temperature at the end of constant pressure cooling is 300 K and rise in the temperature of air in the refrigerator is 50 K, then the net work of compression will be (assume air as working substance with Cp = 1 kJ/kg) 100 kJ/kg 125 kJ/kg 50 kJ/kg 25 kJ/kg 100 kJ/kg 125 kJ/kg 50 kJ/kg 25 kJ/kg ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The human body feels comfortable when the heat stored in the body is None of these Zero Negative Positive None of these Zero Negative Positive ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning If the evaporator temperature of a plant is lowered, keeping the condenser temperature constant, the h.p. of compressor required will be More/less depending on rating More Less Same More/less depending on rating More Less Same ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Bell Coleman cycle is a Reversed Carnot cycle Reversed Joule cycle Reversed Otto cycle Reversed Rankine cycle Reversed Carnot cycle Reversed Joule cycle Reversed Otto cycle Reversed Rankine cycle ANSWER DOWNLOAD EXAMIANS APP
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