Q6 : An ideal Diesel engine has a diameter of (15 cm) and stroke (20 cm) . The clearance volume is (10 %) of the swept volume . Determine the compression ratio and the air standard efficiency of the engine if the cut-off takes place at (6 %) of the stroke. Answers : 11 , 57%

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Q: 20 kN/m D C 4 m 6 m 8 kN/m B A 5 m-

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