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What is the efficiency of a heat engine ...

What is the efficiency of a heat engine whose temperature of source and sink are 800 K and 600 K respectively?

A

1

B

0.75

C

0.5

D

0.25

Text Solution

Verified by Experts

The correct Answer is:
D
`eta=1-(T_(2))/(T_(1))=1-(600)/(800)`
`=1-(3)/(4)=(1)/(4)xx100`
=25%
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