Q.

When does a vapour become superheated?

A. when the temperature of vapour is less than the saturation temperature at given pressure
B. when the temperature of vapour is more than the saturation temperature at given pressure
C. when the temperature of vapour is equal to the saturation temperature at given pressure
D. none of the mentioned
Answer» B. when the temperature of vapour is more than the saturation temperature at given pressure
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