The mixture of water and steam (critical specific volume = 0.003155 m3/kg) is kept in a rigid steel tank of volume 0.025 m3 at 0.1 MPa. The mass of the mixture is 10 kg. If the tank is slowly heated the liquid level in the tank
1
May rise or fall depending on the amount of heat transferred
2
Will remain constant
3
Will fall
4
Will rise