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Cold weather starting of a diesel engine is more difficult than warm weather starting due toA.use of low viscosity oil in cold weatherB.increased moisture content of inlet air in cold weatherC.increased drag of pistons and bearings due to increased oil vi

题目

Cold weather starting of a diesel engine is more difficult than warm weather starting due to

A.use of low viscosity oil in cold weather

B.increased moisture content of inlet air in cold weather

C.increased drag of pistons and bearings due to increased oil viscosity

D.higher compression pressures reached due to smaller clearances existing in the engine during cold weather


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参考答案和解析
正确答案:C
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