Refrigeration and Air Conditioning In case of sensible heating of air, the coil efficiency is given by (where B.P.F. = Bypass factor) 1 + B.P.F. P.F. - 1 1/ B.P.F. 1 - B. P.F. 1 + B.P.F. P.F. - 1 1/ B.P.F. 1 - B. P.F. ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The coefficient of performance is the ratio of the refrigerant effect to the Heat of compression Work done by compressor Enthalpy increase in compressor All of these Heat of compression Work done by compressor Enthalpy increase in compressor All of these 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 Sum of (A) and (B) Heat dissipated to the surroundings Heat stored in the human body Difference of (A) and (B) Sum of (A) and (B) Heat dissipated to the surroundings Heat stored in the human body Difference of (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a bootstrap air evaporative cooling system, the evaporator is provided Between the combustion chamber and the first heat exchanger Between the secondary compressor and the second heat exchanger Between the first heat exchanger and the secondary compressor Between the second heat exchanger and the cooling turbine Between the combustion chamber and the first heat exchanger Between the secondary compressor and the second heat exchanger Between the first heat exchanger and the secondary compressor Between the second heat exchanger and the cooling turbine ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In order to collect liquid refrigerant and to prevent it from going to a ________, a device known as accumulator is used at the suction of compressor. Expansion valve Evaporator Condenser Compressor Expansion valve Evaporator Condenser Compressor ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning For ammonia refrigerating systems, the tubes of a shell and tube condenser are made of Brass Copper Steel Aluminium Brass Copper Steel Aluminium ANSWER DOWNLOAD EXAMIANS APP