A: cooling
B: seal
C: heat
D: warm
举一反三
- The main jobs of the _________ are lubricating, cooling, cleaning and sealing. A: radiator B: oil filter C: engine oil D: cooling fan
- The main jobs of the _____ are lubricating, cooling, cleaning and sealing. A: radiator B: oil filter C: engine oil
- 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
- The purposes of the _____ are to remove excess heat , to keep the engine operating and to warm up the engine A: engine lubrication system B: engine cooling system C: crank mechanism D: valve train
- For diesel engine piston cooling， lubricating oil can be supplied to the pistons by a/an （）.
内容
- 0
_____ is arranged for cleaning the lubricating oil in the system and clean oil can be provided from a storage tank.
- 1
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
- 2
The oil pump, oil filter and oil pan, make up the _____of the engine. A: ignition system B: fuel system C: lubricating system D: cooling system
- 3
The role of lubricating oil in a ship's engine room includes .1) antifriction；2) cooling；3) clean；4) seal A: 1) 3) 4) B: 2) 3) 4) C: 2) 3) D: 1) 2) 3) 4)
- 4
In a disk-type lubricating oil purifier, ____. A: The purifier driving gears are lubricated by the reclaimed B: Oil as it leaves the bowl all dirt and sludge are automatically discharged with the cooling water C: Sealing water must never be supplied until after oil is fed to unit D: Deterioration of the bowl ring gasket will cause the purifier to lose its water seal