According to Carnot, which type of engine working between two temperatures \( T_{1} \) and \( T_...

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According to Carnot, which type of engine working between two temperatures \( T_{1} \) and \( T_{2} \) have maximum efficiency?
(a) Reversible engine
(b) Irreversible engine
(c) External combustion engine
(d) Diesel engine
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