Determine internal energy change as saturated liquid steam

Assignment Help Mechanical Engineering

Reference no: EM13706612

1. Determine the internal energy change as saturated liquid steam at 60⁰F goes to a two phase mixture of quality 0.40 at 60⁰F. 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?C 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: EM13706612

Questions Cloud

Compression-ignition engine operates on ideal diesel cycle : A six-cylinder, four-stroke, 4.5-L compression-ignition engine operates on the ideal diesel cycle with a compression ratio of 17. The air is at 95 kPa and 55oC at the beginning of the compression process and the engine speed is 2000 rpm. The engine u..

Highest possible average flow velocity in the duct : A central heating system has a 60 W fan used to circulate air through the building ducts. A previous flow analysis showed that the fan needs to raise the air pressure by 50 Pa to maintain proper flow through the ducts. The fan is located in a horizon..

Piston-cylinder device-determine the final energy of system : A vertically mounted piston-cylinder device contains 1.5 kg of water and is being heated over a coal burning stove. During the process, 75 kJ of heat is transferred to the water and heat losses from the side walls amount to 9 kJ.

Carbon diffuses in iron via an interstitial mechanism : Carbon diffuses in iron via an interstitial mechanism—for FCC iron from one octahedral site to an adjacent one. In Section 4.3 (Figure 4.3a), we note that two general sets of point coordinates for this site are 0 ½ 1 and ½ ½ ½ . Specify the family of..

Determine internal energy change as saturated liquid steam : Determine the internal energy change as saturated liquid steam at 600F goes to a two phase mixture of quality 0.40 at 600F. Saturated vapor water at 130?C undergoes an isometric process to 0.4 MPa. Determine the final fluid phase and the enthalpy cha..

Determine the final temperature of the ammonia : Ammonia vapor in a piston-cylinder assembly undergoes a constant-pressure process from saturated vapor at 10 bars. The work is +16.5kJ/kg. Changes in kinetic and potential energy are negligible. Determine (a) the final temperature of the ammonia in d..

Force and its location on the cork due to saltwater : A small, narrow, flat-bottomed fishing boat is loaded down with two crew member and a catch fish. The rear of the boat is a plane inclined at an angle Î¸ of 75 degrees with the horizontal. Thirty centimetres below the water surface is a hole in the b..

Determine the final pressure and temperature in the tank : A closed rigid tank of volume 3m^3 contains a two-phase liquid-vapor mixture of H2O at 110C with a quality of 34.5%. The tank then receives energy by heat transfer until the water becomes a saturated vapor. Determine the final pressure and temperatur..

What is its temperature and quality : R134a rests in a compressed fluid can at 120psia, and a specific volume of 0.38ft3/lbm. What is its temperature and quality? Half of the mass is now vented off to the atmosphere. The can is allowed to exchange heat with the surroundings at 100Â°F unt..

User Account

All Pages