A household refrigerator that has a power input of 450 w

Assignment Help Mechanical Engineering
Reference no: EM13631991

A household refrigerator that has a power input of 450 W and a COP of 2.5 is to cool five large watermelons, 10 kg each, to 8 degrees celsius. if the watermelons are initially at 20 degrees celsius, determine how long it will take for the refrigerator to cool them, is your answer realistic or optimistic, explain.

Reference no: EM13631991

Questions Cloud

What would be the minimum length of the tongs used to carry : a radiochemist wants to carry a small vial containing 1109 bq of cobalt-60 solution from one laboratory fume hood to
The heat engine does maximum work equal to 600kj determine : the thermal efficiency of a heat engine is 40 and produces 100kw. please determine the heat transfer rate to this
From 1975 to 1986 the general social survey asked its : from 1975 to 1986 the general social survey asked its participants if they favored or opposed capital punishment. a
Calculate the depth of penetration if skin for the average : calculate the depth of penetration if skin for the average and maximum beta energies emitted by cobalt-60. provide your
A household refrigerator that has a power input of 450 w : a household refrigerator that has a power input of 450 w and a cop of 2.5 is to cool five large watermelons 10 kg each
Starting with the four maxwells equations for time-varying : starting with the four maxwells equations for time-varying electromagnetic fields in either differential and integral
An infineitely long filament of wire carries current i the : an infineitely long filament of wire carries current i. the wire starts along the negative y-axis and makes a 90deg
A highway curve with a radius of 1200 ft is designed in : a highway curve with a radius of 1200 ft is designed in such a way that the maximum safe speed for a car on this curve
If the pressure distribution on the front of the disk is of : air flows past a 1-m diameter thin circular disk oriented normal to the flow. if the pressure distribution on the front

Reviews

Write a Review

 

Mechanical Engineering Questions & Answers

  Calculate the mobility of the linkage

Compute the coordinates of the midpoint of the couple DE. Use Maple to plot the coupler curve for this point as a function of the input angle θ and calculate the mobility of the linkage

  Two of the three velocity components for an incompressible

two of the three velocity components for an incompressible flow are u x2 2xz vy22 yz what is the general form of the

  Both pieces are cast under the same conditions what is the

a cylindrical casting is 0.4 m in diameter and 0.6 m in length. another casting of the same metal is rectangular in

  If the velocity varies linearly from one plate to the other

consider two flat plates seperated by a distance of 0.25 in. in this application castor oil is used as a lubricant. the

  A rigid tank whose volume is 05 m3 initially containing

a rigid tank whose volume is 0.5 m3 initially containing ammonia at 20oc 1.5 bar is connected by a valve to a large

  Hydrostatic relation an empirical formula relating

Hydrostatic relation, An empirical formula relating pressure and density for seawater w/ temperature held constant is

  Your company owns a parcel of land in a currently

your company owns a parcel of land in a currently undeveloped part of the country. the neighboring city grows eastward

  Find a condensing surface area required b circulating water

a one shell two tube pass surface condenser is required to handle the exhaust from a steam turbine developing 14 300 kw

  A 25kg steel tank having a volume capacity of 250 litres

a 25kg steel tank having a volume capacity of 250 litres is filled with liquid water at room temperature. what is need

  The u velocity component of a steady two dimensional

the u velocity component of a steady two dimensional incompressible flow field is u 4x 3y 1. velocity component v is

  Air enters an evaporative cooler at 95 kpa 35 degrees

air enters an evaporative cooler at 95 kpa 35 degrees celcius and 30 relative humidity and exits saturated. determine

  6 kg of an ideal gas is in a volume of 1 m3 at 250degc the

6 kg of an ideal gas is in a volume of 1 m3 at 250degc. the gas undergoes a constant pressure change of state until 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