Refrigeration and Air Conditioning The material of pipe lines for a system using Freon as a refrigerant should be Aluminium Brass Copper Steel Aluminium Brass Copper Steel ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The relative coefficient of performance is Actual COP × theoretical COP Actual COP/theoretical COP None of these Theoretical COP/actual COP Actual COP × theoretical COP Actual COP/theoretical COP None of these Theoretical COP/actual COP ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Absorption system normally uses the following refrigerant CO2 Ammonia Freon-11 Freon-22 CO2 Ammonia Freon-11 Freon-22 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Air refrigerator works on Reversed Carnot cycle Bell Coleman cycle Both (A) and (B) None of these Reversed Carnot cycle Bell Coleman cycle Both (A) and (B) None of these ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The evaporator used in household refrigerators is None of these Non-frosting evaporator Defrosting evaporator Frosting evaporator None of these Non-frosting evaporator Defrosting evaporator Frosting evaporator ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning For ammonia refrigerating systems, the tubes of a shell and tube condenser are made of Steel Aluminium Copper Brass Steel Aluminium Copper Brass ANSWER DOWNLOAD EXAMIANS APP