Refrigeration and Air Conditioning The vapour compression refrigerator employs the following cycle Reversed Carnot Reversed Rankine Rankine Carnot Reversed Carnot Reversed Rankine Rankine Carnot ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following statement is wrong? The value of C.O.P. is always greater than one The space between the saturated liquid line and saturated vapour line, in a pressure enthalpy chart, is wet vapour region In a vapour compression system, the condition of refrigerant before entering the compressor is dry saturated vapour None of the listed here The value of C.O.P. is always greater than one The space between the saturated liquid line and saturated vapour line, in a pressure enthalpy chart, is wet vapour region In a vapour compression system, the condition of refrigerant before entering the compressor is dry saturated vapour None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The capillary tube is not used in large capacity refrigeration systems because It is made of copper Cost is too high Required pressure drop cannot be achieved Capacity control is not possible It is made of copper Cost is too high Required pressure drop cannot be achieved Capacity control is not possible ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Most thermostatic expansion valves are set for a superheat of 15°C 5°C 10°C 20°C 15°C 5°C 10°C 20°C ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The refrigeration effect in a dry evaporator compared to flooded evaporator in a similar plant is Less More More or less depending on ambient conditions Same Less More More or less depending on ambient conditions Same ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The reduced ambient air cooling system has One cooling turbine and one heat exchanger Two cooling turbines and one heat exchanger One cooling turbine and two heat exchangers Two cooling turbines and two heat exchangers One cooling turbine and one heat exchanger Two cooling turbines and one heat exchanger One cooling turbine and two heat exchangers Two cooling turbines and two heat exchangers ANSWER DOWNLOAD EXAMIANS APP