A、the suction and discharge valves
B、tools and equipment served by compressed air
C、air line reducing valves
D、all of the above
更多“Air line lubricators are used in compressed air systems to lubricate （）.”相关的问题
A、Improper lubrication B、Air in the fuel system C、Coated fuel lines D、Excessive vibration
A、fuel manifold B、lubricating pipe line C、auxiliary engine pipe line D、generator output line
A、A.metal particles loosened by wear B、B.air when no air cleaners are used C、C.condensation of water vapors D、D.breakdown of the lubricating oil by dilution
A、A.Oil vapour in air piping are dangerous B、B.Explosion will cause oil vapouring in air lines C、C.Oil vapour in air piping should be drained D、D.Oil in air piping should not be drained
A、A.the splashing of lubrication oil by the crankshaft B、B.the dilution of crankcase oil with particles of combustion C、C.broken fuel lines spraying oil on the crankcase D、D.the ignition of unburned fuel and air in the crankcase
A、A.Maximum mooring line tension divided by the anchor's weight in air B、B.Anchor's weight in air divided by the maximum mooring line tension C、C.Preloading tension divided by the anchor's weight in air D、D.Operating tension divided by the anchor's weight in air
A、changing the air filter B、recharging the system C、changing compressor lubricant D、renewing container vacuum
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