Refrigeration and Air Conditioning The coefficient of performance of Electrolux refrigerator is the ratio of Heat absorbed by the evaporator minus the heat supplied by the gas burner to the heat absorbed by the evaporator Heat absorbed by the evaporator to the heat supplied by the gas burner 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 minus the heat supplied by the gas burner to the heat absorbed by the evaporator Heat absorbed by the evaporator to the heat supplied by the gas burner 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 In a reversed Brayton cycle, the heat is absorbed by the air during Constant pressure cooling process Constant pressure expansion process Isentropic compression process Isentropic expansion process Constant pressure cooling process Constant pressure expansion process Isentropic compression process Isentropic expansion process ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following statement is wrong? None of the listed here In a vapour compression system, the condition of refrigerant before entering the compressor is dry saturated vapour The space between the saturated liquid line and saturated vapour line, in a pressure enthalpy chart, is wet vapour region The value of C.O.P. is always greater than one None of the listed here In a vapour compression system, the condition of refrigerant before entering the compressor is dry saturated vapour The space between the saturated liquid line and saturated vapour line, in a pressure enthalpy chart, is wet vapour region The value of C.O.P. is always greater than one ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A one tonne refrigerating machine means that One tonne refrigerant is used One tonne is the total mass of machine One tonne of ice when melts from and at 0° C in 24 hours, the refrigeration effect is equivalent to 210 kJ/min One tonne of water can be converted into ice One tonne refrigerant is used One tonne is the total mass of machine One tonne of ice when melts from and at 0° C in 24 hours, the refrigeration effect is equivalent to 210 kJ/min One tonne of water can be converted into ice 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 4 kW 1 kW 3 kW 2 kW 4 kW 1 kW 3 kW 2 kW ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The conditioned air supplied to the room must have the capacity to take up Both room sensible heat and latent heat loads Room latent heat load only Room sensible heat load only None of the listed here Both room sensible heat and latent heat loads Room latent heat load only Room sensible heat load only None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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