Check the engine oil level and add if necessary．
举一反三
- Check the cooling fan belt or add coolant if necessary．
- In an auxiliary diesel engine bypass type lubricating oil system, the main lube oil pump forces ____. A: all of the oil used by the engine through a filter B: some of the oil used by the engine through a filter C: some of the oil used by the engine through a centrifuge D: all of the oil used by the engine through a centrifuge
- When the ships is going to enter into the harbor, ____. A: change from heavy fuel oil to diesel oil for main engine B: pump out bilge water C: change sea chest form high level one to lower level one D: test emergency generator
- When the ships is going to enter into the harbor, ______. A: change from diesel oil to heavy fuel oil for mail engine B: pump out bilge water C: change sea chest from lower level one to high level one D: test emergency generator
- In<br/>an auxiliary diesel engine bypass type lubricating oil system, the<br/>main oil pump forces ____. A: all<br/>of the oil used by the engine through a filter B: some<br/>of the oil used by the engine through a filter C: some<br/>of the oil used by the engine through a centrifuge D: all<br/>of the oil used by the engine through a centrifuge