A Carnot Cycle Engine Operates Between a Low Temperature Reservoir

question 19

Multiple Choice

A Carnot cycle engine operates between a low temperature reservoir at 20°C and a high temperature reservoir at 800°C. If the engine is required to output 20.0 kJ of work per cycle, how much heat must the high temperature reservoir transfer to the engine during each cycle?

• A) 27.5 kJ
• B) 73.2 kJ
• C) 39.2 kJ
• D) 800 kJ
• E) 20.5 kJ

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Definitions:

Equator

An imaginary line around the Earth equidistant from the poles, dividing it into northern and southern hemispheres and marking the 0-degree latitude line.

Tropical Rain Forest

A dense, warm, wet forest biome found near the equator, known for its high biodiversity and significant rainfall.

High Annual Rainfall

A climatic condition where a region receives a significantly large amount of precipitation over the course of a year.

Freezing Temperatures

A temperature at or below the freezing point of water, 0°C (32°F), where liquid water turns into ice.