User Account

All Pages

Determine the systems coefficient of performance the power

Assignment Help Mechanical Engineering
Reference no: EM13638442

An ideal vapor compression refrigeration cycle that uses R-134a maintains a pressure in the condenser of 1000kPa and the evaporator at 4 degree C. Determine: The systems coefficient of performance. The power required to service a 400kW cooling load. What would be the coefficient of performance if the compressor had and efficiency of 80%.

Reference no: EM13638442

Questions Cloud

If one-half of the liquid is evaporated during this : an insulated piston-cylinder device contains 5l of saturated liquid water at a constant pressure of 175kpa. water is
The coefficient of kinetic friction is 015 at the start of : a worker pushes a 20 kg crate straight across a 1 m long section of horizontal floor with a constant horizontal force
In the alkylation of cyclopentanone better yields are : in the alkylation of cyclopentanone better yields are obtained by first reacting cyclopentanone with an equivalent of
A car of mass m accelerates from rest along a level : a car of mass m accelerates from rest along a level straight track not at constant acceleration but with constant
Determine the systems coefficient of performance the power : an ideal vapor compression refrigeration cycle that uses r-134a maintains a pressure in the condenser of 1000kpa and
A uniform electric field of magnitude 75times105 nc points : a uniform electric field of magnitude 7.5times105 nc points in the positive x direction.find the change in electric
Assume that core electrons completely shield valence : assume that core electrons completely shield valence electrons from the full charge of the nucleus and that valence
A chain that can support 2000 n is suspended between two : a chain that can support 2000 n is suspended between two trees. a 200 kg motor hangs from the middle. the slack in the
Electron affinities usually become more negative from left : electron affinities usually become more negative from left to right across a period but n is an exception. explain with

Reviews

Write a Review

Mechanical Engineering Questions & Answers

  A completely reversible heat pump produces heat at a rate

a completely reversible heat pump produces heat at a rate of 300 kw to warm a house maintained at 24degrees c.the

  Dtermine a the finite difference equations b the nodal

a plane wall with surface temperature 350c is attached with straight rectangular fins k 235 wm k. the fins are exposed

  In a rankine cycle with reheat steam at 500c expands in a

in a rankine cycle with reheat steam at 500c expands in a high pressure turbine until it reaches the saturated vapor

  Plot the maximum efficiency of a nuclear power plant as a

the environment in a certain area is 15 degrees c. plot the maximum efficiency of a nuclear power plant as a function

  Find the boundary work done by the mass

Consider a mass going through a polytropic process where pressure is directly proportional to volume (n=-1) the process starts with P=0,V=0 and ends with P=600kPa,V=0.01m^3. Find the boundary work done by the mass.

  The steam expands adiabatically until its final pressure

a piston-cylinder assembly initially contains 0.15 m3 of steam at 20 bar and 320oc. the steam expands adiabatically

  The water discharges are 25 cfs to the left 5 cfs to the

for this wye fitting which lies in a horizontal plane the cross-sectional areas at sections 1 2 and 3 are 1 ft2 1 ft2

  For each process of a closed system show the initial and

for each process of a closed system show the initial and final states on a properly-labeled t-s diagram evaluate the

  The coefficient of static friction between the coin and the

a coin is placed 15.0 cm from the axis of a turntable of variable spped. the coefficient of static friction between the

  If the engines run for 10 seconds what is the final

a 10 kg space probe travels in a straight line with initial velocity 20 ms. the engines apply a force f5t in the

  The 680 kg load suspended from the helicopter is in

the 680 kg load suspended from the helicopter is in equilibrium. the aerodynamic drag force on the load is horizonal.

  A vapor in a cylinder is compressed frictionlessly from 20

a vapor in a cylinder is compressed frictionlessly from 20 to 60 psia in such a manner that pvconstant. the initial

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