PROBLEM: Exhaust steam at 5 MPa kPa pressure and containing 12 percent moisture is fed into an open-type feedwater heater. What will be the amount of this steam required to raise the temperature of 450 kg water at 5 MPa, 160C to 5 MPa, 264 C ? m kg exhaust steam with 12% moisture at 5 MPa 450 kg water, OPEN HEATER 5 MPa, 160C (m + 450) kg 5 MPa, 264C Required: Show your solution.