Discuss the below:
Q: Steam at a pressure of 1 MPa and temperature of 400°C expands in a nozzle to a pressure of 200 kPa. The nozzle efficiency is 90% and the mass flow rate is 10 kg/s. Determine the nozzle exit area and the exit velocity. You must solve the problem step wise step.You should include all the units which are needed to accomplish the problem.