（） is used for cylinder and cylinder head， the salt water is used for cooling the lubricating oil， the fresh water in the coolers and the charging air in the air cooler.
D
举一反三
- Fresh water is used for the cooling of cylinder jackets and （） of the marine diesel engine.
- The cylinder jacket cooling water after leaving_______passes to the jacket water cooler and[br][/br]then into the jacket water circulating pumps. A: the jacket water coole B: the expansion tank C: the heat exchange D: the engine
- In addition to lubricating， cylinder oil assists in forming a gas seal and contains （） which clean the cylinder liner. A: additives B: water C: grease D: acid solutio
- The cooling liquid used for the cylinder may be referred to as （）.
- A ____ is mounted on the lube oil cooler which senses the temperature of the lubricating oil and regulates the flow of either the lubricating oil or the cooling water accordingly. A: magnetic switch B: regulator C: thermostatic valve D: expansion valve
内容
- 0
In an engine with air inlet valve and exhaust valve on its cylinder heads the fresh air will enter into the cylinder （） and the gases exhaust （）， there being an adequate overlap between the inlet opening and the exhaust closing.
- 1
The first step of starting a cold ship is . A: Start emergency generator B: Starting cooling water system C: Start the compressed air system D: Start the daily fresh water system
- 2
The most fresh water used in China is in ( ).
- 3
( ) transport is used for large loads of low-value-per-unit goods. A: water B: air C: rail D: motor
- 4
______is largely used for freight. A: Rail transportation B: Water transportation C: Truck transportation D: Air transportation