1.

If the door of a refrigerator is kept open, then which of the following is trueA. Room is cooledB. Room is heatedC. Room is either cooled or heatedD. Room is neither cooled nor heated

Answer» Correct Answer - B
In a refregerator the heat dissipated in the atmosphere is more than that taken from the cooling chamber, therefore the room is heated if the door of a refrigeratore is kept open.


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