Determine the quality of Refrigerant-22 at 1ºC and specific internal energy of 91.1kJ/kg.
Determine the quality of Refrigerant-22 at 1ºC and specific internal energy of 91.1kJ/kg.
A rigid tank contains 56,4 kg of refrigerant- 134a at 850 kPa. If 32,6 kg of the refrigerant is in the liquid form and the rest is in the vapor form, determine : a. The temperature in the tank b. The quality c. The average specific volume d. The volume of the tank
rature, specific volume, enthalpy, internal energy and entropy of ammonia Pa and 25% quality. (Some properties of ammonia are given in the table below.) at 0.120 M (15 marks) Properties of Saturated Ammonia PressureTemp. (kPa) C) Enthalpy (kJ/kg) Specific Vol. Entropy hs he 22.3 44.7 67.2 00015 1.22 0.00150.96 0.772 0.096 0.205 0.281 -35 -30 -25 9 1405.6 1413.0 1200.0015 5.702
A liquid-vapor mixture of refrigerant-134a is at -10°C with a quality of 40 percent. Determine the value of the Gibbs function, in kJ/kg. when the two phases are in equilibrium. R-134a -10°C 0.4 kJ/kg kJ/kg
The specific heat of water is 4186 J/kg C. How much does the internal energy of 300 grams of water change as it is heated from 23 to 46 degrees C? Assume that the volume is constant. Internal energy change = Number Joules
PROBLEM 1. Determine the internal energy of H20 at 10 MPa and 450 °C. Determine the enthalpy of water at a quality of 0.3 and temperature of 300 °C. Determine the specific volume of water at 5 MPa and 1000 °C.
؟ What is the enthalpy (kJ/kg) of refrigerant 134a which is at 4 C and quality 30%? Select one: a. h = 204.57 kJ/kg. b. h = 96.35 kJ/kg. c. h = 155.02 kJ/kg. d. h = 115.90 kJ/kg. e. h = 135.46 kJ/kg.
3.12 w A tank contains a two-phase liquid-vapor mixture of Refrigerant 22 at 10 bar. The mass of saturated liquid in the tank is 25 kg and the quality is 60%. Determine the volume of the tank, in mº, and the fraction of the total volume occupied by saturated vapor.
Problem 1: (400 points) A piston-cylinder assembly contains a two-phase liquid mixture of Refrigerant 22 (R22) initially at 24°C with a quality of 90%. Expansion occurs to a state where the pressure is 1 bar. During the process, the pressure and specific volume are related by pvos = constant. Determine 1. The work per unit mass [kJ/kg). (200 points) 2. The heat transfer per unit mass (kJ/kg] during the process. (100 points). 3. Show the process on p-v and T-v...
The specific heat of water is 4186 J/kg C0. How much does the internal energy of 200 g of water change as it is heated from 200C to 300C? Assume the volume is constant
Specific enthalpy is defined as a. The sum of internal energy, kinetic energy, potential energy, chemical and nuclear energy b. Internal energy minus the product of pressure and volume c. The product of internal energy, pressure and specific volume d. Specific internal energy plus the product of pressure and specific volume