The structure of a house is such that it loses heat at a

Assignment Help Mechanical Engineering
Reference no: EM13631838

The structure of a house is such that it loses heat at a rate of 5400 kJ/h per degree Celcius difference between the indoors and outdoors. A heat pump that requires a power input of 6 kW is used to maintain this house at 21 degrees Celsius. Determine the lowest outdoor temperature for which the heat pump can meet the heating requirements of this house.

Reference no: EM13631838

Questions Cloud

A 2500-kg truck moving at 10 ms strikes a car waiting at a : a 2500-kg truck moving at 10 ms strikes a car waiting at a traffic light hooking bumpers. the two continue to move
A gage pressure of 400 kpa acting on a 4-cm diameter : a gage pressure of 400 kpa acting on a 4-cm diameter piston is resisted by an 800-nm spring. how much is the spring
Determine the power input to the compressor for a mass flow : air enters a two-stage compressor at 100 kpa and 27 degrees c and is compressed to 625 kpa. the pressure ration across
A ball is thrown upwards with an initial velocity of 10 ms : a ball is thrown upwards with an initial velocity of 10 ms. find the time for its maximum height and also find its
The structure of a house is such that it loses heat at a : the structure of a house is such that it loses heat at a rate of 5400 kjh per degree celcius difference between the
Determine the rate of heat loss from the turbine to 3 : a real turbine with a mass flow rate of 5.0 kgs of steam has inlet conditions of 6.0 mpa and 700 oc and exit conditions
A curling stone with a mass of 200 kg slides across the ice : a curling stone with a mass of 20.0 kg slides across the ice at 1.50 ms. it collides head on with a stationary 0.160-kg
In a hydroelectric power plant water enters the turbine : in a hydroelectric power plant water enters the turbine nozzles at 880 kpa absolute with a negligible velocity. if the
Macie pulls a 40 kg rolling trunk by a strap angled at : macie pulls a 40 kg rolling trunk by a strap angled at 30deg from the horizontal. she pulls with a force of 40 n and

Reviews

Write a Review

Mechanical Engineering Questions & Answers

  A relief valve is installed on the tank to keep the

a tank with volume 3.0m3 contains steam at 2mpa and 280 c. the tank is heated until the temperature reaches 440 c. a

  Examine deflection of an i-beam under a point load

The purpose of this project is to introduce you to the application of FEA by using the ANSYS software to examine the deflection of an I-beam under a point load.

  Draw a schematic and show the control volume you have

refrigerant 22 is used in the evaporator pipe of a commercial refrigeration unit. at steady state it flows at a rate 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

  The process and volume relation is given p8-4vbar for a non

the process and volume relation is given p8-4vbar for a non flow process where v is in cubic meter.if 130kj of work is

  If the 1500-lb boom ab the 200-lb cage bcd and the 175-lb

if the 1500-lb boom ab the 200-lb cage bcd and the 175-lb man have centers of gravity located at points g1 g2 and g3

  Liquid concrete is poured into the form r2 ft the form is w

this problem is problem 3.73 of the 8th edtion of this book. there are solutions from a previous version floating

  A storage tank holds 75 cubic meters of a gas at 28deg c

a storage tank holds 75 cubic meters of a gas at 28deg c and a pressure of 130kpa. the gas appears to have a molecular

  Determine the radius r of an impurity atom that will fit

determine the radius r of an impurity atom that will fit into a tetrahedral site of bcc ironr1.241 angstroms crystal

  Compute the shear strength in the pins connecting rods when

compute the shear strength in the pins connecting rods when a load of f equals 1500lb is carried. the pins have a

  The turntable of a record player rotates initially at the

the turntable of a record player rotates initially at the rate 33 revmin and takes 14.07 s to come to rest. what is the

  Iin the other stream refrigerant 134a enters at 10 bar 80

a wellinsulated counterflow heat exehanger operates at steady state. in one stream liquid water enters at 10 degree

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