Find the Ratio of the Coefficients of Performance for Two $\circ$

question 52

Multiple Choice

Find the ratio of the coefficients of performance for two ideal heat pumps used as heaters for a house.The house is kept at 21 ^$\circ$ C in both cases.In case 1 the outside temperature is 4.0 ^$\circ$ C,in case 2 the outside temperature is -14 ^$\circ$ C.

• A)2.1
• B)2.2
• C)8.4
• D)8.8
• E)17.3

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Definitions:

Statement of Stockholders' Equity

A financial statement showing the changes in the value of a company's equity over a specific period, due to earnings, losses, and dividends.

Corporation's Board of Directors

A group of individuals elected by shareholders to oversee the management and make major decisions for a corporation.

Liability

A financial obligation or amount owed by a company to external parties or creditors, which must be settled through the transfer of assets or services.