Refrigeration and Air Conditioning The coefficient of performance of a domestic refrigerator is ________ as compared to a domestic air-conditioner. Less None of these More Same Less None of these More Same ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A valve which maintains a constant degree of superheat at the end of the evaporator coil, is called Low side float valve High side float valve Automatic expansion valve Thermostatic expansion valve Low side float valve High side float valve Automatic expansion valve Thermostatic expansion valve ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The temperature of ammonia after compression in a vapour compression system is 70 to 110°C 50 to 70°C None of these 20 to 50°C 70 to 110°C 50 to 70°C None of these 20 to 50°C ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A certain refrigerating system has a normal operating suction pressure of 10 kg/cm gauge and condensing pressure of about 67 kg/cm. The refrigerant used is Freon Ammonia Carbon dioxide Brine Freon Ammonia Carbon dioxide Brine ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following statement is wrong? In a vapour compression system, the condition of refrigerant before entering the compressor is dry saturated vapour The space between the saturated liquid line and saturated vapour line, in a pressure enthalpy chart, is wet vapour region The value of C.O.P. is always greater than one None of the listed here In a vapour compression system, the condition of refrigerant before entering the compressor is dry saturated vapour The space between the saturated liquid line and saturated vapour line, in a pressure enthalpy chart, is wet vapour region The value of C.O.P. is always greater than one None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The relative humidity lines on a psychrometric chart are Vertical and uniformly spaced Horizontal and uniformly spaced Curved lines Horizontal and non-uniformly spaced Vertical and uniformly spaced Horizontal and uniformly spaced Curved lines Horizontal and non-uniformly spaced ANSWER DOWNLOAD EXAMIANS APP
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