The fire of fuel oil is classified as（

1、When the fuel oil is burning in the co

When the fuel oil is burning in the combustion chamber, it （）.Agives up large amount of heatBgives off large amount of heatCgives up large amount of steamDgives off large amount of steam

2、The ash content of a fuel oil is signi

The ash content of a fuel oil is significant to the operating engineer because it （）Ais an indication of the amount of noncombustible materi...

3、The treatment of the fuel oils involve

The treatment of the fuel oils involves storage, heating, filtering and（）AcentrifugingBpressurizingCatomizationDigniting

4、Improper maintenance of the fuel oil b

Improper maintenance of the fuel oil burners in an automatically fired auxiliary boiler, could result in （）Aincreased fuel consumptionBincreased feed water consumptionCfuel pump failureDcombustion control system failure

5、The fire of burning paper is classifie

The fire of burning paper is classified as（）fire.AClass ABClass BCClass CDClass D

6、The quality of the fuel oil and lube o

The quality of the fuel oil and lube oil （）, Im afraid.Ahas much to do with the operation of the engine and its lifeBhave much to do wit...