The （）is used to burn oil sludge.

1、The longer an oil fire is permitted to

The longer an oil fire is permitted to burn, the （）.Aharder it is to extinguishBeasier it is to extinguishCless chance there is of re-ignitionDeasier it is to control

2、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

3、Oil is supplied to the crosshead using

Oil is supplied to the crosshead using a swinging arm or a （） and is sometimes boosted in pressure to and efficient lubrication.Atelescopic pipeBlarge bore pipeCgenerating pipeDcentral pipe

4、Sludge may form in the lubricating oil

Sludge may form in the lubricating oil crankcase of a reciprocating air conditioning compressor as a result of （）.Awax precipitation in the l...

5、The cargo is liable to burn.Please kee

The cargo is liable to burn.Please keep it（）the engine room.Aout ofBaway fromCfrom awayDout from

6、The （） is used to handle the cargo.

The （） is used to handle the cargo.Asteering gearBwindlassCdeck craneDwarping drum