Question
Asked Nov 14, 2019
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A heat engine operates in a Carnot cycle between 76.0°C and 340°C. It absorbs 20,000 J of energy per cycle from the hot reservoir. The duration of each cycle is 3.00 s.

a) What is the mechanical power output of this engine?

b) How much energy does it expel in each cycle by heat?

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Expert Answer

Step 1

a)

the expression for the total work done by the engine is, 

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W =(efficiency) E

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Step 2

substitute the given values, 

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76.0 273 K W 1 (20000 J) 340 273 K 8613.4J

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Step 3

the expression for the ...

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W t

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Tagged in
SciencePhysics

Thermodynamics