In refrigerators, the temperature difference between the evaporating refrigerant and the medium being cooled should be

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RRB Paper · Accepted Answer

The temperature difference between the evaporating refrigerant and the medium being cooled determines the cooling rate of the chamber. If this difference is zero, there will be no heat transfer from the chamber, which is very much required. If the difference is very high then the power requirement will increase. So we generally keep this difference somewhere around 3 to 11°C for effective cooling.

In refrigerators, the temperature difference between the evaporating refrigerant and the medium being cooled should be

High

of the order of 25°

As low as possible (3 to 11°C)

Zero

Any value

The correct answer is `No. 1: High`

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In refrigerators, the temperature difference between the evaporating refrigerant and the medium being cooled should be

High

of the order of 25°

As low as possible (3 to 11°C)

Zero

Any value

The correct answer is No. 1: High

The correct answer is `No. 1: High`