Refrigeration and Air Conditioning In vapour compression cycle, the condition of refrigerant is very wet vapour After passing through the condenser Before entering the compressor Before passing through the condenser After passing through the expansion or throttle valve After passing through the condenser Before entering the compressor Before passing through the condenser After passing through the expansion or throttle valve ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A human body feels comfortable when the heat produced by the metabolism of human body is equal to the Heat stored in the human body Heat dissipated to the surroundings Sum of (A) and (B) Difference of (A) and (B) Heat stored in the human body Heat dissipated to the surroundings Sum of (A) and (B) Difference of (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning During sensible cooling of air, specific humidity None of the listed here Increases Remains constant Decreases None of the listed here Increases Remains constant Decreases ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The refrigerant supplied to a compressor must be None of these A mixture of liquid and vapour refrigerant Superheated vapour refrigerant Dry saturated liquid refrigerant None of these A mixture of liquid and vapour refrigerant Superheated vapour refrigerant Dry saturated liquid refrigerant ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A one tonne refrigerating machine means that One tonne of water can be converted into ice 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 refrigerant is used One tonne of water can be converted into ice 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 refrigerant is used ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Environmental protection agencies advice against the use of chlorofluorocarbon refrigerants since These react with water vapour and cause acid rain These react with ozone layer These react with oxygen and cause its depletion These react with plants and cause greenhouse effect These react with water vapour and cause acid rain These react with ozone layer These react with oxygen and cause its depletion These react with plants and cause greenhouse effect ANSWER DOWNLOAD EXAMIANS APP