An Ideal Carnot Engine Is Operated as a Heat Pump

question 52

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

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