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An ideal gas heat engine operates in a c...

An ideal gas heat engine operates in a carnot cycle between `227^@` C and `127^@` C. It absorbs 6 kcal at the higher temperature. The amount of heat (in kcal) converted into work is equal to _____

A

1.2

B

4.8

C

3.5

D

1.6

Text Solution

Verified by Experts

The correct Answer is:
A
Efficiency =`(T_1-T_2)/T_1`
`T_1`=227+273=500 K
`T_2`=127+273 = 400 K
`eta=(500-400)/500=1/5`
`therefore` Output work = `(eta)xx` Input heat = `1/5xx6`
=1.2 kcal
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