Determine a the enthalpy of r-134a at the exit b the

Assignment Help Mechanical Engineering
Reference no: EM13617457

R-134a is throttled from 1200kPa and 40oC to 200kPa. It is known that heat of 5kJ/kg is lost from R-134a to the surroundings at 20oC. Determine (a) the enthalpy of R-134a at the exit; (b) the temperature at exit; (c) the entropy of R-134a at the exit; and (d) the entropy generation.

Reference no: EM13617457

Questions Cloud

Two points are selected randomly on a line of length 40 so : two points are selected randomly on a line of length 40 so as to be on opposite sides of the midpoint of the line. in
A 1330 n uniform beam is attached to a vertical wall at one : a 1330 n uniform beam is attached to a vertical wall at one end and is supported by a cable at the other end. a w 1870
The lifetimes of brakes manufactured by company a are : the lifetimes of brakes manufactured by company a are random with density function gxbegincases frac18e-x8 amp xgt0 0
Assume brooke works for company a for half of 2013 earning : brooke works for company a for all of 2013 earning a salary of 50000.a. what is her fica tax obligation for the
Determine a the enthalpy of r-134a at the exit b the : r-134a is throttled from 1200kpa and 40oc to 200kpa. it is known that heat of 5kjkg is lost from r-134a to the
Between two parallel plates that are 002 m apart there : between two parallel plates that are 0.02 m apart there exists a voltage of 50 v and an electric field of 2500 nc. a
Let r be the region in the first quadrant bounded by the : let r be the region in the first quadrant bounded by the curves yx and yx5. a random point xy is selected from r. a
Two points along a straight stick of length 39 cm are : two points along a straight stick of length 39 cm are randomly selected. the stick is then broken at those two points.
What is the magnitude of the approximate magnification of a : what is the magnitude of the approximate magnification of a compound microscope with objective and eyepiece focal

Reviews

Write a Review

Mechanical Engineering Questions & Answers

  A single branch closed tube reads 35 cm connected to point

a u manometer reads 20 cm air as operating fluid and a given manometric fluid. a single branch closed tube reads 35 cm

  What percentage of washers are discarded

25 washers have a combined mass of 1 lb. how much money is recovered per day from the sale of scrap washers?

  Compare air and helium as cooling media for electronic

compare air and helium as cooling media for electronic devices. both fluids must exit through an area of 0.025 m2. the

  The steam is compressed at constant pressure until its

a cylinder contains 2 kg of steam at 200 kpa and 200 c. the steam is compressed at constant pressure until its

  The mass of the piston is such that a cylinder pressure of

10 kg of water in a piston-cylinder arrangement exists as saturated liquidvapor at 100 kpa with a quality of 50. it is

  Determine the exit temperature

Air at 90 kpa and -7 C enters an adiabatic diffuser steadily with a velocity of 180 m/s and leaves with a low velocity at a pressure of 100 kpa. The exit area of the diffuser is 5 times the inlet area. Determine (a) the exit temperature and (b) th..

  If the mean thickness is 3mm and the standard deviation is

the thickness of a set of gaskets varies because of random manufacturing disturbances but the thickness values measured

  Enter the combustion chamber of the capstone

1. Natural gas and 100% excess air enter the combustion chamber of the Capstone micro-gas turbine at 400 kPa and 452 °C.

  The gas turbine burns natural gas with a heating value of

a gas turbine has a pressure ratio of 15. it is connected to an electric generator with an efficiency of 95. the

  Determine the moisture composition of the drying medium

A small droplet of liquid detergent, falling through air in a spray drying tower, has its diameter reduced as water evaporates from the surface. If we assume that the temperature of the liquid within the drop remains at 290 K and the dry air is at..

  What delta p must be generated by the pump comment of the

a civil engineer is designing a pipe to transport 178 m3s of water a distance of 4.35 x 104 m. to save capital costs he

  Derive a relationship between partial molar excess

derive a relationship between partial molar excess enthalpy activity coefficient of species i and temperature. assume

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