Author Question: A homeowner has a new oil furnace which has an efficiency of 60%. For every 100 barrels of oil ... (Read 39 times)

jace · **on:** Aug 6, 2020

Question 1

A heat pump has a coefficient of performance of 4. If the heat pump absorbs 20 cal of heat from the cold outdoors in each cycle, the heat expelled (in cal) to the warm indoors is

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34

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27

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36

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40

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80

Question 2

A homeowner has a new oil furnace which has an efficiency of 60%. For every 100 barrels of oil needed to heat his house, how much (in barrels of oil) goes up the chimney as waste heat?

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20

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60

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40

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80

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10

scikid · **Reply #1 on:** Aug 6, 2020

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