By supplying energy to a house at a rate of 25,000 kJ/hr, a heat pump maintains thetemperature of the dwelling at 20 C when the outside air is at -10 C. If electricitycosts 8 cents per kW-hr, determine the minimum theoretical operating cost to heatthe house for 24 hours.$1.97O $1.37$1.75O $1.51O$1.64

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Engineering

Mechanical Engineering

costs 8 cents per kW-hr, determine the minimum theoretical operating cost to heat the house for 24 hours.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Question

By supplying energy to a house at a rate of 25,000 kJ/hr, a heat pump maintains the
temperature of the dwelling at 20 C when the outside air is at -10 C. If electricity
costs 8 cents per kW-hr, determine the minimum theoretical operating cost to heat
the house for 24 hours.
$1.97
O $1.37
$1.75
O $1.51
O$1.64

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