engineering recuitment BPSC AE Mock Test 2025 Thermodynamics Properties of Pure Substances Phase Change of a Pure Substance
Which one of the following statements is correct?
1
Pressure and temperature are independent during phase change
2
An isothermal line is also a constant pressure line in the wet vapour region
3
Entropy decreases during evaporation
4
The term dryness fraction is used to specify the fraction by mass of liquid in a mixture of liquid and vapour