A Reversible Engine Takes in 555

question 90

Short Answer

A reversible engine takes in 555. Joules per second and exhausts 482. watts.
(a) How much power does it produce?
(b) What is its efficiency?
(c) If operated in reverse as a refrigerator, what would be its COP?

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Definitions:

Average Product

The output produced, on average, by each unit of a variable input, such as labor.

Labor

Human effort, whether physical or mental, exerted in the production of goods and services.

Car Detailing

A service performed on a vehicle to restore its cleanliness and appearance, both inside and out, often including paint care, interior detailing, and wheel cleaning.

Marginal Product

The increase in output that results from a one-unit increase in the quantity of a single input, holding the quantities of all other inputs fixed.