Refrigeration and Air Conditioning One tonne of refrigeration (1TR) means that the heat removing capacity is 21 kJ/min 620 kJ/min 420 kJ/min 210 kJ/min 21 kJ/min 620 kJ/min 420 kJ/min 210 kJ/min ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a refrigeration cycle, the flow of refrigerant is controlled by Compressor Condenser Evaporator Expansion valve Compressor Condenser Evaporator Expansion valve ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Most thermostatic expansion valves are set for a superheat of 15°C 10°C 20°C 5°C 15°C 10°C 20°C 5°C ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The lower horizontal line of the refrigeration cycle plotted on pressure-enthalpy diagram represents Metering of the refrigerant liquid Compression of the refrigerant vapour Condensation of the refrigerant vapour Evaporation of the refrigerant liquid Metering of the refrigerant liquid Compression of the refrigerant vapour Condensation of the refrigerant vapour Evaporation of the refrigerant liquid ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The central air conditioning system has ___________ overall efficiency as compared to individual systems. None of these Same Higher Lower None of these Same Higher Lower ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning For evaporators and condensers, for the given conditions, the logarithmic mean temperature difference (tm) for parallel flow is ________ that for counter flow. None of these Less than Equal to Greater than None of these Less than Equal to Greater than ANSWER DOWNLOAD EXAMIANS APP