Refrigeration and Air Conditioning The optimum effective temperature for human comfort is Higher in winter than in summer Lower in winter than in summer Not dependent on season Same in winter and summer Higher in winter than in summer Lower in winter than in summer Not dependent on season Same in winter and summer ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning During a refrigeration cycle, heat is rejected by the refrigerant in a Compressor Condenser Evaporator Expansion valve Compressor Condenser Evaporator Expansion valve ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Moisture should be removed from refrigerants to avoid Corrosion of steel plates Restriction to refrigerant flow Freezing at the expansion valve All of these Corrosion of steel plates Restriction to refrigerant flow Freezing at the expansion valve All of these ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The sub-cooling in a refrigeration cycle None of these Decreases C.O.P. Does not alter C.O.P. Increases C.O.P. None of these Decreases C.O.P. Does not alter C.O.P. Increases C.O.P. ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning One tonne of refrigeration (1TR) means that the heat removing capacity is 620 kJ/min 210 kJ/min 420 kJ/min 21 kJ/min 620 kJ/min 210 kJ/min 420 kJ/min 21 kJ/min ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Vertical lines on pressure-enthalpy chart show constant Total heat lines Pressure lines Temperature lines Entropy lines Total heat lines Pressure lines Temperature lines Entropy lines ANSWER DOWNLOAD EXAMIANS APP