Calculate the entropy change of the two reservoirs

Assignment Help Mechanical Engineering
Reference no: EM13720677

Heat in the amount of 100 kJ is transferred directly from a hot reservoir at 1200 K to a reservoir at 600 K. Calculate the entropy change of the two reservoirs and determine if the increase of entropy principle is satisfied.

Reference no: EM13720677

Questions Cloud

Drum pressure and drum temperature : A feed that is 50 mol% methane, 10 mol% n-butane, 15 mol% n-pentane, and 25 mol% n-hexane is flash distilled. F=150 kmol/h. Drum pressure =250 kPa, drum temperature =10 degrees celcius. use the depriester charts. find V/F, xi, yi, V, L.
Calculate the cost per piece of a milling operation : Calculate the cost per piece of a milling operation that is used  to machine a pocket of 2”x3”x0.5” (LxWxD).  The material being machined is high silicon aluminium.  The tool material is PCD.
What is the thermal and mechanical efficiency : What is the thermal and mechanical efficiency for this engine when used as heat pump and refrigerator with the following propties;
Determine the power required to drive the pump : A water pump is required to pump 0.23ft3/sec of water at 60F at atm up to 100psi gage. of the pump has an estimated isentropic efficiency of 50%, determine the power required (HP) to drive the pump.
Calculate the entropy change of the two reservoirs : Heat in the amount of 100 kJ is transferred directly from a hot reservoir at 1200 K to a reservoir at 600 K. Calculate the entropy change of the two reservoirs and determine if the increase of entropy principle is satisfied.
What is the minimum temperature rise possible : Air at 14.7 psia and 70 degrees Fahrenheit is compressed adiabatically by a centrifugal compressor to a pressure of 100 psia. What is the minimum temperature rise possible? Explain.
Dimensional wall of material : A one dimensional wall of material (Kw=10w/mk) is 50 mm thick with uniform heat generation q‘‘‘=5*10^6w/m^3. The left side is exposed to a fluid hl=500w/m^2k at 20 degree Celsius. The right side has a 10mm thick plate attached that has no heat genera..
Saturated liquid water is compressed : Saturated liquid water is compressed from 100 kPa (State 1) to 2.5 MPa (State 2) in an adiabatic pump having 85% isentropic efficiency. Calculate the specific work (kJ/kg) required for the compression of liquid water. Determine the entropy generation..
Consider adding a design element that prevents balls : In the large scale manufacturing of Jaguar Bold Blue Bouncy Balls (JB4) for children, it is important that their material properties be sufficiently uniform. One way to detect gross differences in their material properties is to observe how a ball re..

Reviews

Write a Review

Mechanical Engineering Questions & Answers

  It has been shown that the cop for a carnot refrigerator is

it has been shown that the cop for a carnot refrigerator. is greater than the cop for a real refrigerator . show the

  Determine the tensile strength of this alloy compute the

a specimen of magnesium having a rectangular cross section of dimensions 3.2 mm 19.1 mm 1818 in. 3434in. is deformed in

  A balloon filled with helium gas is to be used to lift a

a balloon filled with helium gas is to be used to lift a military vehicle that weighs 2570 pounds. as learned in class

  Estimate the time it takes for the chamber pressure to drop

a 1 m3 rocket-propellant chamber is tilled with combustion gases at 3000 k and 7 mpa at the instant combustion ceases.

  Evaluate change in specific entropy

Consider a system consisting of liquid water initially at T1 = 318 K, p1 = 3.5 bar undergoing a process to a final state at T2 = 353 K, p2 = 1.5 bar. Use appropriate equation with the data from the table to evaluate change in specific entropy.

  Estimate the molar flow rate of humidified outlet air

A stream of humid air containing 1.00 mole % H2O(v) and the balance dry air is to be humidified to a water content of 10.0 mole % H2O. For this purpose, liquid water is fed through a flow meter and evaporated into the air stream.

  It is estimated that the refrigerator removes 3300 kjhr

1. a commercial refrigerator keeps food fresh at -12 ordmc. it is estimated that the refrigerator removes 3300 kjhr

  The on-board acclerometer records and acceleration level of

a race car c is being tracked via telemetry. the on-board acclerometer records and acceleration level of -.7get.5gen.

  Determine the radius of the crank r

Determine the radius of the crank R and the speed n of a slider crank mechanism, used in a shaker table. It is required that the average speed of the table is 5 m/s, and the maximum absolute acceleration is 3000m/s^2. Assume ratio R/L=0.2

  Saturated water vapor has a specific volume of 077012 m3kg

water at a temperature of 75 oc has an internal energy of 1800 kjkg. what is its state? water with a specific volume of

  Sketch the arrangements draw neat sketches to show how the

a tie bars is to be made in two parts to facilitate adjustment in length during assembly. sketch the arrangements. draw

  Gear a accelerates clockwise from rest to 100 rpm in 2

gear a accelerates clockwise from rest to 100 rpm in 2 seconds. determine the angular acceleration of gear b and the

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