A Heat Pump Uses 100 J of Work to Output

question 19

Multiple Choice

A heat pump uses 100 J of work to output 150 J of heat at some temperature. What is the coefficient of performance for the heat pump?

• A) 1.0
• B) 1.5
• C) 2.0
• D) 2.5
• E) 3.0

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Definitions:

Cash Sales

Transactions where goods or services are paid for with cash at the time of the sale.

Sales Discount

is a reduction in the listed price of a product or service offered to customers as an incentive to prompt payment.

Sales Discount

A reduction in the price of goods or services offered by the seller to the buyer as an incentive for early payment.

Charge Customer

The act of billing a customer for goods or services provided, usually resulting in an accounts receivable entry for the business.