The quality of the fuel oil and lube oil （）, Im afraid.
1、A change in the quality of fuel atomiz
A change in the quality of fuel atomization by a diesel engine fuel injector would be caused by a/an （）Aincrease in engine speedBincrease in cylinder turbulenceCleaking needle valveDreduction in cylinder turbulence
2、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
3、The fuel oil pressure and forced draug
The fuel oil pressure and forced draught pressure should be matched to ensure good combustion with a full steady flameIn the sentence the word “match” means （）Ajoin withBmixCbe equal toDbe constant
4、The ignition quality of a diesel fuel
The ignition quality of a diesel fuel oil is indicated by the （）Aspecific gravityBcetane numberCviscosityDcalorific valve
5、Waste oil from the lube oil sumps of m
Waste oil from the lube oil sumps of machinery may NOT be （）.Adrained into the vessels bilgesBreclaimed for other usesCheld in a slop tankDpurified and then reused
6、The ignition quality of diesel fuel is
The ignition quality of diesel fuel is indicated by its（）Aoctane numberBcetane numberCviscosity in Saybolt secondsDair fuel ratio