38. Charging is a process of the diesel engine that supplies into cylinder for compression. (A) feeding water (B) air (C) fuel oil (D) exhaust gas

) 5. Which situation do not need to stop engine for emergency in the following situations? (A) Moisture is separated from the lubricating oil. (B) An unusual sound has been made. (C) Heat has generated unusually from a part. (D) Smoke is issued from a bearing or any other moving part.