A heat engine is operating on a Carnot cycle and has a thermal efficiency of 46 percent. The waste heat from this engine is rejected to a nearby lake at 65°F at a rate of 800 Btu/min. Determine (a) the power output of the engine and (b) the temperature of the source. Source TH W net, out Carnot HE 800 Btu/min Sink 65°F

University Physics Volume 2
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Chapter4: The Second Law Of Thermodynamics
Section: Chapter Questions
Problem 64P: A Carnot engine has an efficiency of 0.60. When the temperature of its cold reservoir the efficiency...
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A heat engine is operating on a Carnot cycle and has a thermal efficiency of 46 percent.
The waste heat from this engine is rejected to a nearby lake at 65°F at a rate of 800
Btu/min. Determine (a) the power output of the engine and (b) the temperature of the
source.
Source TH
W
net, out
Carnot
HE
800 Btu/min
Sink 65°F
Transcribed Image Text:A heat engine is operating on a Carnot cycle and has a thermal efficiency of 46 percent. The waste heat from this engine is rejected to a nearby lake at 65°F at a rate of 800 Btu/min. Determine (a) the power output of the engine and (b) the temperature of the source. Source TH W net, out Carnot HE 800 Btu/min Sink 65°F
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