HK Engine Operator Grade 2 Practice Questions - Hong Kong Local Engine Operator Grade 2 Certificate Of Competency Exam

What is an aftercooler (charge-air cooler) fitted to do on a turbocharged marine diesel?

Heat the charge air so fuel evaporates more quickly Filter lubricating oil mist from the crankcase Reduce propeller shaft torque during docking Cool the compressed charge air to increase its density before it enters the cylinders

Correct Answer:

Cool the compressed charge air to increase its density before it enters the cylinders

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