Power cycle operating between hot and cold reservoirs

Assignment Help Mechanical Engineering
Reference no: EM13709232

The data listed below are claimed for a power cycle operating between hot and cold reservoirs at 1500 K and 450 K, respectively. For each case, determine whether the cycle operates reversibly, operates irreversibly, or is impossible.

a) QH=600 kJ, W(cycle)=300 kJ, QC=300 kJ

b) QH=400 kJ, W(cycle)=280 kJ, QC=120 kJ

c) QH=700 kJ, W(cycle)=300 kJ, QC=500 kJ

d) QH=800 kJ, W(cycle)=600 kJ, QC=200 kJ

Reference no: EM13709232

Questions Cloud

Determine the decrease in exergy of the steam : Steam is throttled from 9 MPa and 500V to a pressure of 7 MPa. Determine the decrease in exergy of the steam during this process. Assume the surroundings to be at 25C.
Estimate what is the kinetic energy of the electron : An electron is released from rest at the negative plate of a parallel plate capacitor and accelerates to the positive plate. What is the kinetic energy of the electron just as it reaches the positive plate
Calculate the flow into the well : The permeability in the reservoir is a constant 200 mD. The pressure in the reservoir is 3000 psi. The reservoir is 100 m thick. A 6-inch well is drilled through the reservoir, which has two effects. First, the rock within 5 ft of the well is damaged..
Process of designing a stormwater management system : Process of designing a stormwater management system to handle the runoff from this area, and have selected the following 1-h storm as the basis of your design.
Power cycle operating between hot and cold reservoirs : The data listed below are claimed for a power cycle operating between hot and cold reservoirs at 1500 K and 450 K, respectively. For each case, determine whether the cycle operates reversibly, operates irreversibly, or is impossible.
How far is the boy from the nearest tree : A rope is attached between two trees with a boy hanging from it. The trees are 9.3 m apart and while the boy is hanging onto the rope, How far is the boy from the nearest tree
Determine what the charge of the particle : A moving particle encounters an external electric field that decreases its kinetic energy from 9460 eV to 6990 eV as the particle moves from position A to position B. Determine the charge of the particle
Air enters the turbine of a gas turbine : Air enters the turbine of a gas turbine at 1200 kPa and 1200 K, and expands to two stages. Between the stages, the air is reheated at a constant pressure of 350 kPa to 1200 K. The expansion through each turbine stage is isentropic.
Estimate how far does it travel : A car starts from rest and accelerates at a steady 6.00 m/s2. How far does it travel in the first 3.00s

Reviews

Write a Review

Mechanical Engineering Questions & Answers

  Applying the method of sections to trusses

Explain the difference between applying the Method of Sections to trusses and applying it to beams.

  Consider a fluid of density inincompressible laminar flow

consider a fluid of density ? inincompressible laminar flow in a plane narrow slit of lengthl and width w formed by two

  Find the heat transfer and work per unit mass of air in

consider an air-standard otto cycle and a modified cycle in which the isentropic compression and expansion processes

  In boulder dam 2000 cubic feet per second of water flows

in boulder dam 2000 cubic feet per second of water flows through each of the pipes called penstocks that lead down to

  Determine the work done during the process a by plotting

gas with an initial volume of 0.36 m3 is slowly compressed to a final volume of 0.16 m3 by a process during which the

  The steam generator at 730 degrees c and are cooled to 170

water enters the steam generator of the power plant shown in the figure at 7mpa 50 degrees c and exits at 7mpa 600

  Volumetric flow rate of the refrigerant at the inlet

Refrigerant 134a enters a 28-cm diameter pipe steadily at 200 kPa and 200C with a velocity of 5 m/s. The refrigerant gains heat as it flows through the pipe and leaves the pipe at 180 kPa and 400C.

  A 25-hp 240-v 778-a shunt motor has an armature resstence

a 25-hp 240-v 77.8-a shunt motor has an armature resstence of 0.083 ohms and a field-circuit resistance of 125 ohms.

  An airplane used to drop water on bushfire is flying

an airplane used to drop water on bushfire is flying horizontally in a straight line at 180 mih at altitude of 300 ft.

  Determine the terminal velocity of a 75-mm diameter sphere

determine the terminal velocity of a 75-mm diameter sphere made of solid aluminum specific weight26.6knm3 in free fall

  Validate your feht model by comparing predictions with the

a straight fin of uniform cross section is fabricated from a material of thermal conductivity k 5 wmk thickness w 20

  A simply supported nonmetallic beam of 025-m height 01-m

a simply supported nonmetallic beam of 0.25-m height 0.1-m width and 1.5-m span is subjected to a uniform loading of 6

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