An engine is used on a job requiring (110 mathrm{~kW}) BP. The mechanical efficiency of the engine
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An engine is used on a job requiring \(110 \mathrm{~kW}\) BP. The mechanical efficiency of the engine is \(80 \%\) and engine consumes \(50 \mathrm{~kg} / \mathrm{hr}\) of fuel. A design improvement is made which reduces the engine friction by \(5 \mathrm{~kW}\). If indicated thermal efficiency remains the same, how many \(\mathrm{kg}\) of fuel per hour will be saved?
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