Which of the following is not a component of modern lubricant？
A: Lubricant base oil
B: Lubricant additives
C: Crude oil
A: Lubricant base oil
B: Lubricant additives
C: Crude oil
举一反三
- which items are included in the lubrication system? A: pick-up screen B: lubricant C: differential D: oil filter
- The （） of the lubricant should be sufficient to hold the film together， but it should allow the lubricant to flow easily.
- 发动机及所有附件使用同一种润滑油。 A: The engine and all ancillary equipment use the same lubricant. B: The engine and auxiliary power unit use the same lubricant C: The engine and al auxiliary equipment use the same lubricant
- Which component is the liver of the lubrication system? A: Screened intake B: Oil filter C: Oil pump D: Oil pressure relief valve
- A lubricant often has to perform many duties in any situation， in addition to its fundamental job of （）.