Refrigeration and Air Conditioning Which of the following refrigerants has lowest freezing point? Freon-12 Freon-22 CO2 NH3 Freon-12 Freon-22 CO2 NH3 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Under cooling in a refrigeration cycle Increases C.O.P O.P remains unaltered Other factors decide C.O.P Decreases C.O.P Increases C.O.P O.P remains unaltered Other factors decide C.O.P Decreases C.O.P ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In mechanical refrigeration system, the refrigerant has the maximum temperature In evaporator Between compressor and condenser Before expansion valve Between condenser and evaporator In evaporator Between compressor and condenser Before expansion valve Between condenser and evaporator ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a vapour compression cycle, the refrigerant immediately after expansion valve is Wet vapour Liquid Sub-cooled liquid Saturated liquid Wet vapour Liquid Sub-cooled liquid Saturated liquid ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The alignment circle is marked on the psychrometric chart at 26°C DBT and 60% RH 20°C DBT and 50% RH 20°C DBT and 60% RH 26°C DBT and 50% RH 26°C DBT and 60% RH 20°C DBT and 50% RH 20°C DBT and 60% RH 26°C DBT and 50% RH 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 Low pressure side near receiver High pressure side close to receiver Suction of compressor Delivery of compressor Low pressure side near receiver High pressure side close to receiver ANSWER DOWNLOAD EXAMIANS APP
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