In a mechanical refrigerator the low temperature coils are at a temperature of `-23^(@)C` and the compressed gas in the condenser has a temperature of `27^(@)C`. The theoretical coefficient of performance is

In a mechanical refrigerator the low -temperature coils are at a temperature of -13^(@)C and the compressed gas in the condenser at a temperature 27^(@)C . What is the theoretical coefficient of performance.

In a refrigerator, the low temperature coil of evaporator is at -23^@C and the compressed gas in the condenser has a temperature of 77^@C . The amount of electrical energy spent in freezing 1 kg of water at 0^@C is

In a refrigerator, the low temperature coil of evaporator is at -23^@C and the compressed gas in the condenser has a temperature of 77^@C . The amount of electrical energy spent in freezing 1 kg of water at 0^@C is

At what temperature, the average speed of gas molecules be double of that at temperature, 27^(@)C ?

An ideal refrigerator has a freezer at a temperature of -13^(@)C . The coefficient of performance of the engine is 5 . The temperature of the air (to which heat is rejected) will be

An ideal refrigerator has a freezer at a temperature of -13^(@)C . The coefficient of performance of the engine is 5 . The temperature of the air (to which heat is rejected) will be

An ideal refrigerator keeps its content at 0^(@)C while the room temperature is 27^(@)C .Calculate its coefficient of performance.