Refrigeration and Air Conditioning The operating pressure for refrigerating units using R-12 as a refrigerant is 30 bar 8 bar 2 bar 15 bar 30 bar 8 bar 2 bar 15 bar ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning During a refrigeration cycle, heat is rejected by the refrigerant in a Condenser Evaporator Expansion valve Compressor Condenser Evaporator Expansion valve Compressor ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In vapour compression cycle the condition of refrigerant is superheated vapour After passing through the condenser Before entering the expansion valve After passing through the expansion or throttle valve Before passing through the condenser After passing through the condenser Before entering the expansion valve After passing through the expansion or throttle valve Before passing through the condenser ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The lower horizontal line of the refrigeration cycle plotted on pressure-enthalpy diagram represents Compression of the refrigerant vapour Metering of the refrigerant liquid Evaporation of the refrigerant liquid Condensation of the refrigerant vapour Compression of the refrigerant vapour Metering of the refrigerant liquid Evaporation of the refrigerant liquid Condensation of the refrigerant vapour ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The human body feels comfortable when the heat stored in the body is Positive Zero None of these Negative Positive Zero None of these Negative ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The reduced ambient air cooling system has One cooling turbine and one heat exchanger Two cooling turbines and one heat exchanger Two cooling turbines and two heat exchangers One cooling turbine and two heat exchangers One cooling turbine and one heat exchanger Two cooling turbines and one heat exchanger Two cooling turbines and two heat exchangers One cooling turbine and two heat exchangers ANSWER DOWNLOAD EXAMIANS APP
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