Refrigeration and Air Conditioning The reduced ambient air cooling system has Two cooling turbines and one heat exchanger One cooling turbine and one heat exchanger Two cooling turbines and two heat exchangers One cooling turbine and two heat exchangers Two cooling turbines and one heat exchanger One cooling turbine and one heat exchanger Two cooling turbines and two heat exchangers One cooling turbine and two heat exchangers 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 1 kW 4 kW 2 kW 3 kW 1 kW 4 kW 2 kW 3 kW ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The higher temperature in vapour compression cycle occurs at Receiver Expansion valve Compressor discharge Evaporator Receiver Expansion valve Compressor discharge Evaporator ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The sensible heat factor during the heating and humidification process is given by (where h₁ = Enthalpy of air entering the heating coil, h₂ = Enthalpy of air leaving the heating coil, and hA = Enthalpy of air at the end of humidification process) (hA - h1)/ (h2 - h1) (hA - h2)/ (h1 - h2) (h1 - h2)/ (hA - h2) (h2 - hA)/ (h1 - h2) (hA - h1)/ (h2 - h1) (hA - h2)/ (h1 - h2) (h1 - h2)/ (hA - h2) (h2 - hA)/ (h1 - h2) ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Where does the lowest temperature occur in a vapour compression cycle? Expansion valve Compressor Condenser Evaporator Expansion valve Compressor Condenser Evaporator ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A pressure gauge on the discharge side of a refrigerant compressor reads too high. The reasons will be Dirty condenser surface Lack of cooling water All of these Water temperature being high Dirty condenser surface Lack of cooling water All of these Water temperature being high ANSWER DOWNLOAD EXAMIANS APP
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