单选题 1分

Some diesel engines are fitted with a thermometer in the cooling water outlet from each cylinder. If...

Some diesel engines are fitted with a thermometer in the cooling water outlet from each cylinder. If the cooling water temperature from all cylinders begins to rise above normal, you should suspect________.
  • A. increased blow-by in all cylinders
  • B. incomplete combustion in all cylinders
  • C. overloading in all cylinders
  • D. insufficient fuel delivery to all cylinders

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