Question

A pressure cooker has 1.0 kg of steam 0.8 dry at 3.0 bar. What amount of heat needs to be supplied

to raise its pressure to 4.0 bar?

Answer 1

Constant pressure system with a pressure of (P) = 20 bar

Final temperature of the system (T₂)= 300 °C

It is required to determine heat supplied, change in entropy and area in TS diagram indicating heat flow