Show an example of the use of steam tables and Mollier charts. Use the following information to show how the answer can be calculated using either of the 2 methods.
A) Find the enthalpy of steam at 0.4 MPa and 0.7 dryness
B) Determine the amount of heat required to convert 4Kg of water at t=38 degrees C into dry saturated steam at 1 MPa gauge pressure