In an engine working on the diesel cycle, the air-fuel by weight is 50:1. The temperature of

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In an engine working on the diesel cycle, the air-fuel by weight is 50:1. The temperature of air at the beginning of combustion is 40C and the compression ratio is 15. What is the ideal efficiency of the engine. Calorific value of fuel is \(42 \mathrm{MJ} / \mathrm{kg}\).

Assume. \[c_{v}=0.717 \mathrm{~kJ} / \mathrm{kgK}, c_{p}=1.004 \mathrm{~kJ} / \mathrm{kgK}\]

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