Q) A & B are rigid tanks. Tank A has volume of 1 m3 , contains steam with 4 MPa and 500 °C heated by external heat source with 130 kJ. The valve is open allowed to part of steam exit from the tank A to an evacuated and insulated tank B at constant temperature, then the valve is close when the final pressure in tank A reaches to 2 MPa and the mass reduce by 2/3. Determine the volume of tank B. B

Q) A & B are rigid tanks. Tank A has volume of 1 m3 , contains steam with 4 MPa and 500 °C heated by external heat source with 130 kJ. The valve is open allowed to part of steam exit from the tank A to an evacuated and insulated tank B at constant temperature, then the valve is close when the final pressure in tank A reaches to 2 MPa and the mass reduce by 2/3. Determine the volume of tank B. B

Refrigeration and Air Conditioning Technology (MindTap Course List)

8th Edition

ISBN:9781305578296

Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Chapter2: Matter And Energy

Section: Chapter Questions

Problem 30RQ: A gas is compressed inside a compressor's cylinder. When the piston is at its bottom dead center,...

See similar textbooks

Similar questions

A furnace heats water at a saturated state with a pressure of 1 bar. How much heat is given When the water condition in the tank is 15 bar and 500°C. Specify: a) Heat needed? b) Internal changes in energy? c) Work done?
A gas cylinder with interior volume 11.6 L holds compressed air at 17.4 MPa. The cylinder is joined by a hose of negligible volume to a second cylinder that’s been pumped down to vacuum. When the valve on the full cylinder is opened, the air expands to fill the entire system, all the while maintaining a constant temperature. If the energy that becomes unavailable to do work is 171.8 kJ, what’s the volume of the second cylinder (L)?
11. an ideal gas with MW= 33 is contained in a flexible tank. it is heated from 258.71 C to 559.35 C. if the change in internal energy is 178 kJ/kg, what is work in kJ/kg
In a three-stage compressor, the pressure ratio in each stage is equal and its value is 1.3, the first inlet temperature to stage 300K, outlet pressure from first stage 1000mmHg, , Polytropic yield 0.92. m C1 C2 = C2s C3 C3s = 500 "It s Isentropic exponent=1.4, coefficient of heating heat under constant pressure= 1005 kgK' your mercury density= 13550 and gravitational acceleration= 9.81 m3 m3 a) Find the actual and isentropic temperature of the exit from the 1st stage. b) Find the actual and isentropic temperatures of the exit temperatures from the 2nd stage. c) Find the real and isentropic work consumed in Stage 2. d) Put the available data and your calculations in the compressor (h-s) diagram.
Consider a balloon contains initially 40 liter of Helium at 105 kPa and 20 oC, The balloonis connected to a supply line of helium through a valve that is opened allowing helium tofurther fill the balloon to 150 kPa such that pressure in the balloon is expressed as: P =750 V0.5– 45, Where P is in kPa and V is m3. Considering Helium as ideal gas:a- Find the mass of Helium entered the balloon if the process is isothermal.b- Find the work done during the process.
Saturated steam at 3.27MPa undergoes a T=c process until it becomes 0.8MPa. Calculate dH, dS, Wsf, Wnf, and Q. (m=2kg/min)
104#1. an ideal gas with R=0.062 BTU/lbm-degree R and Cv=0.158 BTU/lbm-degree R undergoes athree process cycle in a cklose system. from the initial state of 20 psia and 570degree R, the gas is compressed at coinstant pressure to 1/5 of its initial volume, process 1-2; it is then heated isochrocally to state 3, process 2-3; and finally, it expands polytopically with index n=1.5 back to its initial state, process 3-1. determine the pressure, specific volumes and temperatures at cardinal points around the cycle and the cycle thermal efficiency.
A turbine, operating under steady- flow conditions, reccives 1000 kg/min of stcam. At the inlet, the pressure is 30 bar, the temperature is 400°C, the velocity At the exit, the pressure is 0.7 bar, the quality is (100%), and the velocity is 100 m/s. If the turbine produced a power output of 9300 KW. By using the energy balance of open system with sutable tables, answer the following: (a) What are the main assumptions ? (b) Calculate dh, AKe ? (c) Calculate the rate of heat transfer between the turbine and surroundings, in kW.
Draw Pv and Ts diagram of reversible isobaric process. Write the relationship between thermodynamic properties.
A rigid tank A of volume 0.6 m3 contains 3 kg of water at 120 ° C and the rigid tank B of V = 0.4m3 contains water at 600 kPa and 200 ° C. The tanks are connected to a cylinder-piston system initially empty when the valves are closed. The pressure in the cylinder must be 800 kPa for the piston to float. Now the valves open slowly and heat is transferred so that the water reaches a uniform state of 250 ° C with the valves open. Find the final volume and final pressure, work, and heat transferred during the process.
If 9 m^3 of an ideal gas at 24 degC and 148 kPaa is compressed to 4 m^3. What would have been the pressure, in kPa, if the process is isentropic. (Use k = 1.3)
Assumptions: 1. The water is a closed system 2. The initial and final states are at equilibrium. There is no net change in kinetic or potential energy. 3. There is no heat transfer with the surroundings 4. The tank volume remains constant Known: By rapid stirring, water vapor in a well-insulated tank is brought from the saturated vapor state at 212 oF to a pressure of 20 psi. Find: Determine the temperature at the final state and the work.