Question 3. High pressure steam (stream 1) at a rate of 2000 kg/h initially at 3.5 MPa and 350 °C is expanded in a turbine to obtain work. Two exit streams leave the turbine. Exiting stream 2 is a 1.5 MPa and 225 °C and flows at 100 kg/h. Exiting stream 3 is at 0.79 MPa and is known to contain a mixture of saturated vapor and liquid. A (negligible) fraction of stream 3 is bled through a throttle value to 0.10 MPa and is found to be 120 °C (stream 4). The measured output of the turbine is 100 kW. a) Determine the temperature and quality of stream 3. b) Determine the rate of heat transfer into or out of the turbine during its operation

Problem 4 A 0.15-m rigid tank initially contains R-134a as saturated vapor R-134a at 0.6 MPa. The tank is connected by a valve to a supply line that carries R-134a at 1 MPa and 26°C. The valve is now opened, allowing the refrigerant to enter the tank, and is closed when it is observed that the tank contains only saturated liquid at 0.8 MPa. Neglecting kinetic and potential energy changes, determine, 1 MPa 26°C R-134a 0.15 m a) The mass of the refrigerant that entered the tank, in kg b) The amount of heat transfer to or from the surroundings in kJ

Can you provide the step-by-step solution how to get the answers? Steam flows adiabatically through a nozzle from 1517 KPaa, 290 °C, to 965 KPaa. Sketch the pV and Ts diagram and for m=454 gm/sec, Determine delta s, delta u, delta v, delta h, work nonflow and work steady flow. the first three (delta s, delta u, delta v, delta h) were already answered. Can you continue the bold part

A well-insulated 4 × 4 × 5 m³ room, initially at 10 °C, is heated by the radiator of a steam heating system. The radiator has a fixed volume of 150 L and is initially filled with superheated water vapor at 200 kPa and 200 °C. After 30 minutes, the pressure of the steam is observed to drop to 100 kPa as a result of heat transfer to the room. Assume constant specific heats for air. (a) (b) (d) Sketch a thermodynamic diagram for the process of the steam. Determine the final temperature of the steam. Based on the final state you found, make any corrections needed to your diagram in (a). neglected. the air. Write the First Law for the air and steam, and indicate which terms can be Assuming the air has a uniform temperature, find the final temperature of