Which of the following problems can cause fluctuating pressures in the closed cooling system of a main propulsion diesel engine?（）
举一反三
- The highest pressure in any closed diesel engine freshwater cooling system is at the （）.
- Which of the following statements describes the function of an expansion tank in a diesel engine cooling system?（）
- The expansion tank for a diesel engine closed cooling system is designed to maintain a constant head on the system and （）.
- The pH value of water in a diesel engine closed cooling water system should be maintained between （）.
- Dirt in the fuel oil system of a diesel engine can cause （）.