Refrigeration and Air Conditioning A vapour absorption refrigeration system Gives noisy operation Cools below 0°C Requires little power consumption Gives quiet operation Gives noisy operation Cools below 0°C Requires little power consumption Gives quiet operation ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A refrigeration system None of the listed here Removes heat from a low temperature body and delivers it to a high temperature body Removes heat from a high temperature body and delivers it to a low temperature body Rejects energy to a low temperature body None of the listed here Removes heat from a low temperature body and delivers it to a high temperature body Removes heat from a high temperature body and delivers it to a low temperature body Rejects energy to a low temperature body ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a vapour compression system, the condition of refrigerant before entering the expansion or throttle valve is Wet vapour High pressure saturated liquid Very wet vapour Dry vapour Wet vapour High pressure saturated liquid Very wet vapour Dry vapour ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Vapour compression refrigeration is somewhat like Reversed Carnot cycle Carnot cycle None of these Reversed Carnot cycle Carnot cycle None of these ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A refrigerating system operating on reversed Brayton refrigeration cycle is used for maintaining 250 K. If the temperature at the end of constant pressure cooling is 300 K and rise in the temperature of air in the refrigerator is 50 K, then the net work of compression will be (assume air as working substance with Cp = 1 kJ/kg) 50 kJ/kg 125 kJ/kg 100 kJ/kg 25 kJ/kg 50 kJ/kg 125 kJ/kg 100 kJ/kg 25 kJ/kg ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The C.O.P. of a Carnot refrigerator in winter will be _________ as compared to C.O.P. in summer. None of these Same Lower Higher None of these Same Lower Higher ANSWER DOWNLOAD EXAMIANS APP
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