If the suction pressure of a refrigeration compressor is too high, it shows

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• If the discharge pressure of a refrigeration compressor is too high it shows
• If a discharge pressure of a refrigeration compressor is too high, it shows there is (are)
• Following results are tabulated for vapour compression refrigeration cycle. Enthalpy at suction = 190 kJ/kg Enthalpy at discharge from compressor = 210 kJ/kg Enthalpy at exit from condenser = 80 kJ/kg COP of cycle would be
• For simple saturated vapour compression refrigeration cycle operating between 5°C and 40°C, and the refrigerants being R-11, R-12, R-717 and R-22, the compressor displacement per min per ton of refrigeration is highest for
• In a vapour compression refrigeration cycle, high head pressure is indicated which does not change even when compressor is stopped and allowed to cool. The probable cause may be
• If the compressor of a refrigeration system is noisy, it shows that
• 2 HP per ton of refrigeration is required to maintain the temperature of - 40?C in the refrigerator if the refrigeration cycle works on Carnot cycle. The COP of the cycle would be
• The dense air refrigeration system as compared to open air refrigeration system for same range of temperatures using Bell- Colemann cycle requires.
• Co-efficient of performance of vapour absorption refrigeration system as compared to that for vapour compression refrigeration system is
• In vapour absorption refrigeration system heating in generator is done at 100°C, refrigeration in evaporator at 10°C and cooling by cooling water in condenser at 30°C. The (COP)max is