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:

Quantitative Characteristics

Measurable attributes that can be quantified and analyzed numerically, often used in statistical and financial analysis.

Decision-making Process

The systematic approach of identifying and evaluating choices to come to a conclusion or course of action.

Tactical Decision

Short-term decisions that are more specific and detailed than strategic decisions, focusing on the management of daily operations rather than long-term goals.

Costing System

A method for assigning costs to products or services, which can be based on activities, processes, or direct allocation.