User Account

All Pages

A refrigeration cycle is a reversed heat engine which of

Assignment Help Mechanical Engineering
Reference no: EM13624773

A refrigeration cycle is a reversed heat engine. Which of the following has the maximum value of the co-efficient of performance (COP) for a given refrigeration effect?

A. Vapor compression cycle using expansion valve.

B. Air refrigeration cycle.

C. Vapor compression cycle using expansion engine.

D. Carnot refrigeration cycle.

Reference no: EM13624773

Questions Cloud

Determine the power required by the compressor and the rate : air with mass flow rate of 0.4 kgs enters an insulated compressor operating at steady state.determine the power
The rigid bar is orginally horizonal and is supported by : the rigid bar is orginally horizonal and is supported by two cables each having a cross-sectional area of 0.05in2 and
A 15 kg particle-like object moves in a plane with : a 1.5 kg particle-like object moves in a plane with velocity components vx 30 ms and vy 30 ms as it passes through
A survey of 144 retail stores revealed that the average : a survey of 144 retail stores revealed that the average price of a microwave was 375 with a standard error of 20 if 95
A refrigeration cycle is a reversed heat engine which of : a refrigeration cycle is a reversed heat engine. which of the following has the maximum value of the co-efficient of
Air enters a constant-diameter tube with an average : air enters a constant-diameter tube with an average velocity of 2 ms at a temperature of 400 k and a pressure of 0.12
Two objects are orbiting each other under the influence of : two objects are orbiting each other under the influence of the force of the gravitation force between them. object 1
Air is contained in a vertical cylinder fitted with a : air is contained in a vertical cylinder fitted with a frictionless piston and a set of stops as shown in the sketch
The central cubical area of an office building at sea level : the central cubical area of an office building at sea level has a floor area of 4000 ft2 and is occupied by 30 people

Reviews

Write a Review

Mechanical Engineering Questions & Answers

  Using the real efficiency value of 8 calculate the output

geothermal energy systems extract heat that is stored below the earths crust. for every 300 ft below ground the

  For a turbine efficiency of 86 determine a the amount of

air enters the compressor of a regenerative gas-turbine engine at 300 k and 100 kpa where it is compressed to 800 kpa

  A turbine salesman makes the following claim for one

A turbine salesman makes the following claim for one of his products: Steam enters a steady-flow adiabatic turbine at 4 MPa, 600 °C with negligible velocity and exhausts at 200 kPa with a velocity of 180 m/s

  If the scrubber removes 92 molar basis of the entering h2s

a flue gas is which the mole fraction of h2s is 0.002 enters a scrubber operating at steady state at 200 deg f 1 atm

  Determine the reactions at these supports

The 25-kg bar has a centre of mass at G.If it is supported by a smooth peg at C,a roller at A and cord AB, determine the reactions at these supports.

  After pumping stops and a new equilibrium is reached the

after pumping stops and a new equilibrium is reached the tire pressure is 600 kp a and the air temperature in the tire

  Explain the different experimentpurpose of this practical

explain the different experiment.purpose of this practical is to verify the law for parallelogram of forces law for

  The landsat-c earth resources satellite has a nearly

the landsat-c earth resources satellite has a nearly circular orbit with annbspeccentricity of 0.00132. at perigee the

  Determine the magnitudes of forces fa and fb acting on each

determine the magnitudes of forces FA and FB acting on each chain and the orientation ? of FB so that the magnitude of FB is a minimum.

  The cartesian velocity components are uvcosinealpha and

a uniform stream of speed v is inclined at angle alpha from the x-axis. the flow is steadu state and two dimensional

  The system undergoes a polytropic process with pv12 const

a piston cylinder assembly containing h2o initially has a temperature of 130degc and a specific internal energy of 700

  Determine the entropy generated for carbon dioxide in a

determine the entropy generated for carbon dioxide in a pistoncylinder with an initial volume of 200 l at 300 degrees c

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!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +1-415-670-9521

Phone: +1-415-670-9521

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

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