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:

Economies Of Scale

The cost advantages that enterprises obtain due to their scale of operation, leading to a reduced cost per unit of output.

Long-Run Average Cost

The per-unit cost of production in the long term, where all inputs, including capital, are variable, often used to analyze economies of scale.

Scale Of Operation

The scope or size of a business or production process, which can affect efficiency and cost.

World Price

The international market price of a good, influenced by global supply and demand.