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A diatomic ideal gas is used in a Carnot engine as the working substance. If during the adiabatic

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A diatomic ideal gas is used in a Carnot engine as the working substance. If during the adiabatic expansion part of the cycle the volume of the gas increases from V to 32 V, the efficiency of the engine is :

(A) 0.5 

(B) 0.75 

(C) 0.99 

(D) 0.25

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1 Answer

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Best answer

Correct option  (B) 0.75   

Explanation:

=  0.75

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