Which of the following is not a component of modern lubricant？ A: Lubricant base oil B: Lubricant additives C: Crude oil
Which of the following is not a component of modern lubricant？ A: Lubricant base oil B: Lubricant additives C: Crude oil
The （） of the lubricant should be sufficient to hold the film together， but it should allow the lubricant to flow easily.
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
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
A lubricant often has to perform many duties in any situation， in addition to its fundamental job of （）.
A lubricant often has to perform many duties in any situation， in addition to its fundamental job of （）.
The way to reduce （） is to build up a film of lubricant between any two surfaces that rub against each other.
The way to reduce （） is to build up a film of lubricant between any two surfaces that rub against each other.
which items are included in the lubrication system? A: pick-up screen B: lubricant C: differential D: oil filter
which items are included in the lubrication system? A: pick-up screen B: lubricant C: differential D: oil filter
Coolant lubricant can’t be poured into _______________ A: the mains drains B: ground wate C: the ground D: all of above
Coolant lubricant can’t be poured into _______________ A: the mains drains B: ground wate C: the ground D: all of above
Coolant lubricant can’t be poured into _______________ A: the mains drains B: ground water C: the ground D: all of above
Coolant lubricant can’t be poured into _______________ A: the mains drains B: ground water C: the ground D: all of above
Cylinder block contains ________, coolant and lubricant passages and crankcase. A: cylinder head B: cylinders C: pistons D: crankshaft
Cylinder block contains ________, coolant and lubricant passages and crankcase. A: cylinder head B: cylinders C: pistons D: crankshaft
Generally the function of lubrication is to form of a film of lubricant between any two surfaces that have relative （）， so that surfaces dont get touch with each other.
Generally the function of lubrication is to form of a film of lubricant between any two surfaces that have relative （）， so that surfaces dont get touch with each other.