If a used lube oil analysis indicates

1、If the analysis of used lube oil indic

If the analysis of used lube oil indicates a high content of iron particles, this could indicate（）Acorrosive deterioration of a bearingBinadequate air filtrationCexcessive ring and liner wearDexcessive cooling of lubricating oil

2、A dirty lube oil strainer can result i

A dirty lube oil strainer can result in（）AcrankcaseBlow lube oil temperatureCexcessive oil consumptionDlow bearing oil pressure

3、Although lube oils used in the main lu

Although lube oils used in the main lubricating service systems should have a relatively high flash point to avoid ignition, they can create s...

4、Excessive lube oil consumption by a re

Excessive lube oil consumption by a reciprocating air compressor can be caused by （）.Ausing a slightly dirty air filterBusing oil having an excessive viscosityCintercooler or after-cooler leaksDcarrying the oil level higher than normal

5、For a main diesel engine the lube oil

For a main diesel engine the lube oil in the bearings is drawn from （）, usually located in the bedplate.Aa gravity tankBa sumpCa vesselDa bottle

6、In a full flow type lube oil system, t

In a full flow type lube oil system, the bypass relief valve will lift due to （）Aa clogged filter elementBexcessive lube oil pump discharge pressureCexcessive lube oil flowDexcessively hot lube oil