An Ideal Heat Engine Uses 0

question 37

Multiple Choice

An ideal heat engine uses 0.01 mole of gas and operates between a hot reservoir at T_H = 400 K and cold reservoir at T_L = 300 K, in a cycle from a→b→c→d→a. From a→b the gas undergoes an isothermal expansion, changing its volume from V_a to 2.5V_a. From b→c, the pressure is reduced at a constant volume. From c→d, the gas undergoes an isothermal compression, and from d→a, the pressure is increased at a constant volume until the gas is back at the original condition at a. If the engine operates at 50 cycles per second, the power output is

• A) 381 W.
• B) 45.8 W.
• C) 1145 W.
• D) 415 W.
• E) 1525 W.

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Definitions:

Physiological Arousal

The body's response to external stimuli, resulting in physical changes like increased heart rate, blood pressure, and adrenaline.

Label

A term or phrase used to categorize or describe an individual or concept, often simplifying complex characteristics.

Self-perception Theory

A psychological theory suggesting that people develop their attitudes and feelings by observing their own behavior and concluding what attitudes must have caused it.

Self-awareness Theory

A psychological concept proposing that self-focused attention leads individuals to compare their behavior to internal standards and values.