Determine the final fluid phase and the enthalpy change

Assignment Help Mechanical Engineering

Reference no: EM13706665

1. Determine the internal energy change as saturated liquid steam at 60?F goes to a two phase mixture of quality 0.40 at 60?F. Provide answers in SI units.

2. Give the behavior of entropy for steam when

a. pressure increases, constant temperature

b. quality increases

c. temperature increases, constant pressure

d. pressure decreases, constant entropy

3. Saturated vapor water at 130 0C undergoes an isometric process to 0.4 MPa.

Determine the final fluid phase and the enthalpy change.

4. Refrigerant-12 as saturated vapor at 0.5 MPa is isentropically compressed by a compressor in a refrigeration plant to 0.9 MPa. Determine the enthalpy change for the process and the final fluid phase.

Reference no: EM13706665

Questions Cloud

Determine final temperature and change in internal energy : 100-kg of R-134a at 180kPa are contained in a piston-cylinder device whose volume is 14.715 cubic meter. The piston is now moved until the volume is one half its original sizes. This is done such that the pressure does not change. Determine the final..

Calculate the plant gross and net outputs in megawatts : An advanced type supercritical power plant has turbine inlet steam at 7000 psia and 1400F, double reheat at 1600 psia and 400 psia, both to 1200F, and condenser at 1psia. The three turbine sections have polytropic efficiencies of 0.93, 0.91 and 0.89 ..

Release more energy to completely condense the vapour : 2 kg of saturated vapour water and 8 kg of saturated vapour refrigerant-134a both at 100 kPa. Which substance will release more energy to completely condense the vapour? Explain

Find the exit temperature and the specific work : A turbine receives steam at 6MPa, 600 C with an exit pressure of 600 KPa. Assume the turbine is adiabatic and neglect kinetic energies. Find the exit temperature and the specific work

Determine the final fluid phase and the enthalpy change : Determine the internal energy change as saturated liquid steam at 60?F goes to a two phase mixture of quality 0.40 at 60?F. Provide answers in SI units. Determine the final fluid phase and the enthalpy change.

Cost of operating a large ship varies as the square : The cost of operating a large ship (CO) varies as the square of its velocity (v); specifically, CO = knv2 , where n is the trip length in miles and k is a constant of proportionality. It is known that at 12 miles/hour, the average cost of operation i..

Determine the mass of the refrigerant in kilogram : A 2-m^3 rigid tank contains refrigerant-134a vapor at 1.4 MPa, 180C. Determine the mass of the refrigerant in kilogram using:

Rate of heat transfer from plate to air by convection : A flat plate having an area of 10 m^2 and a temperature of 327 C is exposed to air at 27 C. the convective heat transfer coefficient is 15 W/m^3.C and the emissivity of the plate is 0.80.

The mass of piston on top of the tank : One side of a mercury manometer is connected to the top of frictionless piston-cylinder storage tank containing 1500 liters of oil, the other side is open to the atmosphere. The difference in the height of the column of mercury in the manometer is 90..

User Account

All Pages