An Ideal Carnot Engine Is Operated as a Heat Pump

question 61

Multiple Choice

An ideal Carnot engine is operated as a heat pump to heat a room in the winter.The heat pump delivers heat to the room at the rate of 47 kJ per second and maintains the room at a temperature of 293 K when the outside temperature is 237 K.The power requirement to run the heat pump under these operating conditions is closest to

• A)9000 W.
• B)7100 W.
• C)20,000 W.
• D)15,000 W.
• E)11,000 W.

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Definitions:

Reticular Formation

A network of nerve pathways in the brainstem involved in consciousness and alertness.

Arousal Control

The process of managing the physiological and psychological state of being alert or stimulated, often in relation to performance in stressful or demanding situations.

Physical Coordination

The ability to move different parts of the body smoothly and efficiently to achieve a particular action or task.

Cerebellum

The part of the brain at the back of the skull in vertebrates, which coordinates and regulates muscular activity.