Refrigeration and Air Conditioning The refrigerant used for absorption refrigerators working on heat from solar collectors is a mixture of water and Lithium bromide Carbon dioxide Sulphur dioxide R-12 Lithium bromide Carbon dioxide Sulphur dioxide R-12 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A heat pump working on a reversed Carnot cycle has a C.O.P. of 5. It works as a refrigerator taking 1 kW of work input. The refrigerating effect will be 3 kW 1 kW 2 kW 4 kW 3 kW 1 kW 2 kW 4 kW ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The coefficient of performance of Electrolux refrigerator is the ratio of Heat absorbed by the evaporator to the heat supplied by the gas burner Heat absorbed by the evaporator minus the heat supplied by the gas burner to the heat absorbed by the evaporator Heat supplied by the gas burner to the heat absorbed by the evaporator Heat supplied by the gas burner minus the heat absorbed by the evaporator to the heat supplied by the gas burner Heat absorbed by the evaporator to the heat supplied by the gas burner Heat absorbed by the evaporator minus the heat supplied by the gas burner to the heat absorbed by the evaporator Heat supplied by the gas burner to the heat absorbed by the evaporator Heat supplied by the gas burner minus the heat absorbed by the evaporator to the heat supplied by the gas burner ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning For ammonia refrigerating systems, the tubes of a shell and tube condenser are made of Copper Brass Steel Aluminium Copper Brass Steel Aluminium ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The condensing pressure due to the presence of non-condensable gases, as compared to that actually required for condensing temperatures without non-condensable gases, May be higher or lower depending upon the nature of non-condensable gases Will be lower Will be higher Will remain unaffected May be higher or lower depending upon the nature of non-condensable gases Will be lower Will be higher Will remain unaffected ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Pick up the wrong statement. A refrigerant should have Tow specific heat of liquid High latent heat of vaporisation High boiling point Higher critical temperature Tow specific heat of liquid High latent heat of vaporisation High boiling point Higher critical temperature ANSWER DOWNLOAD EXAMIANS APP
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