举一反三
- Lubricating oil systems for diesel engine journal bearings are usually lubricated by which of the following types of lubricating oil systems?（） A: Splash B: Gravity C: Pressure D: Bypa
- Lubricating oil systems are fitted with a wide variety of strainers some of which can be cleaned in site while others have replaceable cartridgesThe bold and italic word “which” means （）. A: lubricating oil B: lubricating oil systems C: strainers D: cartridge
- Lubricating oil is supplied to the crank-pin bearings in a marine diesel engine by （）. A: internal crankshaft passages B: immersion in oil C: splash lubrication D: injection lubricatio
- In the majority of lubricating oil systems for internal combustion engines, the external system includes such parts as _____, _____, _____, and _____. A: engine oil B: sumps C: oil pumps D: oil coolers
- For diesel engine piston cooling， lubricating oil can be supplied to the pistons by a/an （）.
内容
- 0
In a normally operating diesel engine， the main cause of lubricating oil contamination in the crankcase is a result of the （）.
- 1
For a main diesel engine the lube oil in the bearings is drawn from （）， usually located in the bedplate.
- 2
In the lubricating oil system of the main engine, the function of _____ is to adjust the amount of lubricating oil entering the lubricating oil cooler according to the temperature of the lubricating oil. A: self cleaning filter B: lubrication oil pump C: three-way valve D: by-pass filter
- 3
Which of the following will be the function of lubricating oil used in marine engines?（）
- 4
For large two-stroke diesel engine, the lubricating oil required for cross head bearing lubrication comes from the_____. A: settling tank B: lubricating oil circulation tank C: Wet sump D: Daily service tank