The stroke and bore of a four stroke spark ignition engine are 250 mm – McqOptions

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1.	The stroke and bore of a four stroke spark ignition engine are 250 mm and 200 mm respectively. The clearance volume is 0.001 m3. If the specific heat ratio γ = 1.4, the air-standard cycle efficiency of the engine is
A.	46.40%
B.	56.10%
C.	58.20%
D.	62.80%
Answer» D. 62.80%

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