A Heat Engine with an Output of 300 W Has

question 45

Multiple Choice

A heat engine with an output of 300 W has an efficiency of 25% and works at 10 cycles/s.How much heat is absorbed (Q_h) and how much rejected (Q_c) in each cycle?

• A)Q_h = 150 J,Q_c = 120 J
• B)Q_h = 1500 J,Q_c = 1200 J
• C)Q_h = 40 J,Q_c = 10 J
• D)Q_h = 120 J,Q_c = 90 J
• E)Q_h = 1200 J,Q_c = 900 J

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Definitions:

Net Operating Income

A measure of profitability that calculates how much revenue exceeds the operating expenses of a company, excluding taxes and interest.

Average Operating Assets

The average value of the assets that are used in the normal course of business operations, calculated over a specific period.

Return On Investment

A performance measure used to evaluate the efficiency or profitability of an investment, expressed as a percentage of the investment's gain relative to its cost.

Minimum Required Rate

The lowest acceptable rate of return on an investment, often used in capital budgeting to assess the feasibility of projects.