Engineering, 26.11.2019 00:31 Svetakotok

Aheat pump is used to meet the heating requirements of a house and maintain it at 20oc. on a day when the outdoor air temperature drops to -2oc, the house is estimated to lose heat at a rate of 80,000 kj/h. if the heat pump under these conditions has a cop of 2.5, determine

(a) the power consumed by the heat pump and
(b) the rate at which heat is absorbed from the cold outdoor air.

Answers: 3

Show answers

Other questions on the subject: Engineering

Engineering, 04.07.2019 16:10, TheOriginalMeyah

An electrical motor raises a 50kg load at a construct velencity .calculate the power of the motor, if it takes 40sec to raise the load through a height of 24m(take g =9.8n/g)

Answers: 2

continue

Engineering, 04.07.2019 18:10, keigleyhannah30

Aplate clutch has a single pair of mating friction surfaces 250-mm od by 175-mm id. the mean value of the coefficient of friction is 0.30, and the actuating force is 4 kn. a) find the maximum pressure and the torque capacity using the uniform-wear model. b) find the maximum pressure and the torque capacity using the uniform-pressure model.

Answers: 3

continue

Engineering, 04.07.2019 18:10, xboxdude06

Slip occurs via two partial dislocations because of (a) the shorter path of the partial dislocation lines; (b) the lower energy state through partial dislocations; (c) the charge balance.

Answers: 1

continue

Engineering, 04.07.2019 18:10, aliopqwas

Condition monitoring is a major component of. (clo4) a)- predictive maintenance. b)-preventive maintenance c)-proactive maintenance d)-reactive maintenance.

Answers: 1

continue

You know the right answer?

Aheat pump is used to meet the heating requirements of a house and maintain it at 20oc. on a day whe...