Chapter 6, Problem 6.119EP

3.40 Give the phase and the missing property of P, T, v, and x. а. R-134a, T — -20°С, Р %3D 150 kPa b. R-134a, P — 300 kРа, v 3 0.072 m/kg c. CH4, T= 155 K, v = 0.04 m/kg d. CH4, T = 350 K, v = 0.25 m/kg 3.41 A sealed rigid vessel has volume of 1 m' and con- tains 2 kg of water at 100°C. The vessel is now heated. If a safety pressure valve is installed, at what pressure should the valve be set to have a maximum temperature of 200°C? 3.42 Saturated liquid water at 60°C is put under pressure /to decrease the volume by 1% while keeping the temperature constant. To what pressure should it be compressed? 3.43 Saturated water vapor at 200 kPa is in a cons ww. pressure piston/cylinder assembly. At this state the piston is 0.1 m from the cylinder bottom. How much is this distance if the temperature is changed to a. 200°C b. 100°C. 3.44 You want a pot of water to boil at 105°C. How heavy a lid should you put on the 15-cm-diameter pot when P, 101 kPa? atm

2. 10kg of H₂O in a 1.5m³ tank is initially at 200°C heat loss causes a decrease in temperature to 150°C. find: a. Phase 1 and 2 b. Internal Energy at 1 and 2 c. Heat loss if this system is stationary d. Heat loss if the body moving at velocity of 5m/s and assuming the mass of the empty tank negligible. Tonk A contains 2-kg steam a

Answer it quickly ty