Steam is delivered to turbine at 5.4 MPa and 600 degree C. Before condensation at 31 degree C, steam is extracted for feed water heating at 0.6 MPa. The turbine exhaust is 60 degree C. the required values of some state point properties are tabulated below.6. Determine the enthalpy of bled steam entering the open feed water heater. O2,969.98 kJ/kgO 2,977.78 kJ/kg2,974.48 kJ/kgO2,965.58 kJ/kg B5.4 Mpa600°CPOHAt P = 5.4 MPa and T = 600 °Cs (kJ/kg-K)7.2206At P = 0.6 MPa(for superheated steam withs (kJ/kg-K)7.1816S7.2214At 31 °CPsat = 4.496 kPasf = 0.4507 kJ/kg-Ksfg = 7.9822 kJ/kg-K5.4 Mpa600°CP.=P,P=P=P₁0.6MPa31°Ch (kJ/kg)3663.3s1 = s= s2)h (kJ/kg)2957.2h2978.2vf = 0.0011006 m^3/kghf = 129.97 kJ/kghfg = 2428.1 kJ/kgS

Given:- To Find:- The enthalpy ( h2 )of bled steam entering the open feed water heater.

Steam is delivered to turbine at 5.4 MPa and 600 degree C. Before condensation at 31 degree C, steam is extracted for feed water heating at 0.6 MPa. The turbine exhaust is 60 degree C. the required values of some state point properties are tabulated below. 6. Determine the enthalpy of bled steam entering the open feed water heater.

Steam is delivered to turbine at 5.4 MPa and 600 degree C. Before condensation at 31 degree C, steam is extracted for feed water heating at 0.6 MPa. The turbine exhaust is 60 degree C. the required values of some state point properties are tabulated below. 6. Determine the enthalpy of bled steam entering the open feed water heater.

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 26RQ: How many Btu of heat can be produced by 4 kWh ofelectricity?

See similar textbooks

Similar questions

A spherical balloon holding 25 lb of air has a diameter of 9 ft. For the air, determine(a) the specific volume, in ft3/lb, and (b) the weight, in lbf. Let g = 31.0 ft/s2.
QUESTION 5 What is the net force required to give an automobile of mass 1600 kg an acceleration of 4.50 m/s²?
The production data for a well is as follows; 450 bbl/day of water 2800 bbl/day of 34.5o API oil 9.85 mscf/day of gas What is the density of the oil in kg/m3? (Input your answer in the space below to 2 decimal places)
A closed system consisting of 10 lb of air undergoes a polytropic process from p₁-70 lbf/in², v₁-4 ft³/lb to a final state where p2 - 20 Ibf/in², v₂-12 ft³/lb. Determine the polytropic exponent, n, and the amount of energy transfer by work, in Btu, for the process. Step 1 Your answer is correct. Determine the polytropic exponent, n, for the process. n-11402 Hint Step 2 Determine the amount of energy transfer by work, in Btu, for the process. W- i Btu Attempts: 1 of 4 used
Change 2.223 kJ/kg-K to J/g-K
C. A substance has a total mass of 12.52 lbm and is under gravity at 30.5 ft/s². p (kg/m³) y (kN/m³) W (lbf) v (ft³/1bm) 1 2 3 920.00 6.50 x 10-3 SG 2.25
A bucket contains 20 kg of liquid water and 1.5 kg of air in 0.773 m3. The specific volume of liquid water is approximately 0.001 m3/kg. Determine the specific volume of air. 0.502 A cylindrical container of 0.18 m and length 0.5 m has water steam at 3 bar and is surrounded by atmospheric pressure (1 bar). Determine the net outward force on the container, in kN. The surface area of the cylinder accounts for two end caps (circles of area ) and the axial surface (area rdL) 634.5
Which of the following is intensive property heat: work, internal energy, specific heat, heat capacity, pressure
A man goes to a traditional market to buy a steak for dinner. He finds a 12‑oz steak (1 lbm = 16 oz) for $5.50. He then goes to the adjacent international market and finds a 300‑g steak of identical quality for $5.20. Which steak is the better buy?
Three-tenths kilogram of a gas is contained within a piston-cylinder assembly. The gas undergoes a process for which the pressure-volume relationship is PVA1.6 = constant. The initial pressure is 73 psi, the initial volume is 10 ft3, and the final volume is 15 ft3. The change in specific internal energy of the gas in the process is 35 kJ/kg. There are no significant changes in kinetic or potential energy. Determine the net heat transfer for the process, in kJ. Select one: а. 11.66 b. -4.4 С. 40.8 d. 61.8
Convert between energy units. 4.99x10^3 kJ to kWh
A piston-cylinder assembly contains 0.1 lb of propane. The propane expands from an initial state where p₁ = 60 lbf/in.² and T₁ = 90°F to a final state where p2 = 10 lbf/in.2 During the process, the pressure and specific volume are related by pv² = constant. Determine the energy transfer by work, in Btu. W = Btu