If the Efficiency of a Reversible Engine Is 28%, What

question 45

Short Answer

If the efficiency of a reversible engine is 28%, what is its COP (performance coefficient)
operated (a) as a refrigerator, and (b) as a heat pump?

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Definitions:

Selling Expenses

Costs incurred directly by the sales activities of a business, including advertising, sales commissions, and promotional materials.

Administrative Expenses

Expenses that are not directly tied to a specific function such as manufacturing, production, or sales, but necessary for the overall day-to-day operations of a company.

Product Costs

Costs that are directly incurred in the production of goods or services, including direct materials, direct labor, and manufacturing overhead.

Period Costs

Expenses that are not directly tied to production activities and are expensed in the period they are incurred, such as administrative salaries and marketing costs.