Oil will lubricate these parts （） effectively than water.

A、much

B、more

C、most

D、less

查看正确答案

更多“Oil will lubricate these parts （） effectively than water.”相关的问题

第1题

[单选题] If you change from a low pour point lubricant to a high pour point lubricant in a refrigeration system, （）.

A、compressor lubrication will be improved B、oil will not leave the crankcase C、compressor valves will be damaged D、oil may congeal in the evaporator

点击查看答案

第2题

[单选题] If the piston groove drain holes for the oil control rings become clogged, which of the following is likely to occur?（）

A、The oil control rings will seal improperly and wear rapidly B、The piston will overheat due to insufficient lubrication C、Excessive oil will remain on the cylinder wall D、Light brown smoke will emanate from the engine exhaust

点击查看答案

第3题

[单选题] A centrifuge will satisfactorily remove which of the following contaminants from fuel oil?（）

A、Gasoline B、Water C、Lubricating oil D、sulphur compounds

点击查看答案

第4题

[单选题] Which of the following operational conditions will occur to the diesel engine lube oil at extremely high temperature?（）

A、The oil oxidizes and forms carbon deposits B、The viscosity increases C、Engine oil consumption decreases D、Lubricating qualities of the oil are enhanced

点击查看答案

第5题

[单选题] There will usually be summaries or daily account tables for heavy oil, diesel oil, lubricating oil, and fresh water, which will be compiled（）

A、at the beginning of every watch B、at the beginning of the first watch every day C、at the completion of every watch D、at noon every day

点击查看答案

第6题

[单选题] 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 the unit D、deterioration of the bowl ring gasket will cause the purifier to lose its water seal