Determine the entropy change of the steam

Assignment Help Mechanical Engineering
Reference no: EM13703092

A rigid tank contains 8 kg of saturated vapor steam at 115 degrees c. The steam is cooled to the ambient temperature of 20 degrees c. (a) Sketch the process with respect to the saturation lines on a T-v diagram. (b) Determine the entropy change of the steam, in kj/kg. (c) For the steam and its surroundings, determine the total entropy change associated with this process, in kj/kg.

Reference no: EM13703092

Questions Cloud

Calculate the reservoir pressure of the tunnel : Consider a flat plate mounted in the test section of a supersonic wind tunnel – assume the nozzle is perfectly expanded. The plate is at an angle of attack of -10° and the static pressure on the bottom surface of the plate is 1.0 atm. The nozzle thro..
What is the exact significance level : Is the F-value for Levene's Test for Equality of Variances significant? What is the exact significance level? if the Levene's Test for Equality of Variances is significant, then equal variances cannot be assumed.
Determine the rate of heat rejection to the environment : A refrigerator uses a R-134a as the working fluid and operates on an ideal vapor-compression refrigeration cycle between 0.12 and 0.7 MPa. The mass flow rate of the refrigerant is 0.05 kg/s.
Work required to perform this operation on an ideal gas : Ten moles of ethylene (T_c=9.2 degrees C, P_c= 214.2kg/m^3) are to be compressed isothermally from their initial state (P = 21.7 bar,T = 25 ºC, and V = 1000 cm3/mol) to 100 cm3/mol. Estimate the work required to perform this operation on an ideal gas..
Determine the entropy change of the steam : A rigid tank contains 8 kg of saturated vapor steam at 115 degrees c. The steam is cooled to the ambient temperature of 20 degrees c. (a) Sketch the process with respect to the saturation lines on a T-v diagram. (b) Determine the entropy change of th..
Maximum energy of distortion theory of failure : A steel circular bar (\sigmayp =250 MPa) of d=60-mm diameter is acted upon by combined moments M and axial compressive loads P at its ends. Taking M=1.5KN.m, determine, based on the maximum energy of distortion theory of failure, the largest allowabl..
Find the temperature distribution-throughout the chip : A computer chip has dimensions 3 × 3 × 0.2 and a volumetric heat generation rate of 2.5 × 107/3. The bottom and side surfaces of the chip experience no heat loss, whereas the top surface is cooled by air convection, with = 310?? and = 300 /2 x . Find..
Calculate the work of the expanding gas : An electric motor is connected to a 12-V battery. The electric current to the motor is 3 A. 90 % of the electric energy from the battery is converted into mechanical work to mix an ideal gas in an adiabatic cylinder.
Find the axial pressure of the unit normal pressure : A multiple disc clutch employs 3 steel and 2 bronze discs having outer diameter 300 mm and inner diameter 200 mm. For a coefficient of friction of 0.22 find the axial pressure and the power transmitted at 750 r.pm if the normal until pressure is 0.13..

Reviews

Write a Review

Mechanical Engineering Questions & Answers

  Assuming the surroundings to be at 75 degf determine the a

a 12-ft3 rigid tank contains refrigerant-134a at 40 psia and 55 percent quality. heat is transferred now to the

  Which of the two choices - air with an isentropic

you are to expand a gas adiabatically from 300 psia 400 of to 10 psia in a closed system. which of the two choices -

  This nuclide is produced by the endoergic reaction 16onp16n

an important radionuclide produced in water-cooled nuclear reactors is 16n which has a half-life of 7.13 s and emits

  Calculate the friction factor and the heat transfer

air at atmospheric pressure and with a mean velocity of 0.5 ms flows inside a thin walled square cross-section duct of

  The distance between support points is 45 mm 175 in compute

a three-point bending test is performed on a glass specimen having a rectangular cross section of height d 5 mm 0.2

  Draw a t-s diagram of the cycle described here with labels

a solar updraft tower is a large chimney which ventilates heated air from the area surrounding it. this air has been

  Determine mole fraction of dichloromethane in the gas

we have a process air stream that is 30 mole dichloromethane and 70 air at 80 of. the inlet flow rate of the gas stream

  The barometric pressure is reported to be 6055 torr and the

1 the barometric pressure is reported to be 605.5 torr and the temperature of the water is 22.5 c what is the pressure

  Determine the thickness of steel plate required for a 2m

determine the thickness of steel plate required for a 2m diameter cylindrical boiler with hemispherical ends if the

  Suppose that 1000 is deposited into an account assuming the

suppose that 1000 is deposited into an account assuming the intrest is compounded quarterly that is one-fourth of the

  Determine a max flowrate of water b the pressure difference

underground water is to be pumped by a 70 percent efficient 3 kw submerged pump to a pool whose free surface is 30 m

  Determine the work in btu b determine the heat transfer in

air is compressed in a piston-cylinder assembly from an initial pressure and temperature of 16 psi and 530 or to a

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd