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Carnot engine takes in a thousand kiloca...

Carnot engine takes in a thousand kilocalories of heat from a eservoir at `627^@C` and exhausts it to a sink at `27^@C`.What is its efficiency ?How much work does it perform?Express it in
kilowatt-hour

A

`(1)/(3)`

B

`(2)/(3)`

C

`(5)/(4)`

D

1

Text Solution

Verified by Experts

The correct Answer is:
B
`eta = 1 - (T_(2))/(T_(1)) = 1- (300)/(900) = 1 - (1)/(3) = (2)/(3)`.
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