Question # 2:
A rigid tank contains steam at a pressure of 200 kPa and temperature of 250 °C.
a) Identify the state of the steam by choosing one state: (Explain your choice!)
Superheated
Saturated Vapor
Saturated Vap-Liquid Mixture
Subcooled Water
(25 point
b) If the volume of the tank is 200 Liters, determine the mass of the steam in kg. C
of the following answers (1.2 kg,
4 kg
6 kg
8 kg). Show your calc
(21
c) If the tank is cooled to a final temperature of 75 °C, find the final steam prof
m³/kg
Specific volume V2
Specific internal energy U2
kJ/kg
d) Using First Law of Thermodynamics (Closed System), determine the am
during the cooling process.