SSC JE Mechanical 16 Nov 2022 Shift 2 Paper

Question : 154 of 200

Marks: +1, -0

External work of evaporation is defined as ___________.

heat expended in overcoming the internal molecular resistance to change in state from saturated water to dry steam
heat expended in overcoming the external resistance to change in volume
heat required for complete conversion of saturated liquid to dry saturated vapour
heat required for complete conversion of ice to water

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