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An ideal gas (gamma=1.4) is used in a ca...

An ideal gas `(gamma=1.4)` is used in a carnot cycle as a working substance . Substance. The efficency of the cycle, if as a result of an adiabatic expansion, the gas volume increases `2.75 times` is `[(1.5)^(2.5)=2.75]`

A

`(100)/(3)%`

B

`(200)/(3)%`

C

`50%`

D

`25%`

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A
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