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:

Installation Costs

Expenses associated with setting up or installing equipment, machinery, or infrastructure necessary for the operation of a business or service.

Maintenance Costs

Expenses incurred in the upkeep of assets, ensuring they continue to operate effectively without significant degradation or failure.

Capital Expenditure

Funds used by a company to acquire or upgrade physical assets such as property, industrial buildings, or equipment to improve its long-term service potential.

Repairs Expense

Costs incurred in the maintenance of assets to keep them in their original condition, without adding to their value or extending their life.