Heavy residual fuel oils are heated prior to centrifuging to ______.A.reduce fuel weightB.

These acid residues must be prevented from entering the crankcase, otherwise the lube oil would be .

Fuel oil transfer systems used onboard diesel propelled vessels are required to have _____

To minimize corrosion, fuel oil strainer disks, spacers and scraper blades are made of ___

Cylinder wall temperature, fuel oil supplier, and oil passage _____.A.are interdependentB.

When centrifuging heavy fuel oil, an important factor to consider is the _____（1) flow rat

The soot blowers are operating in the oil fuel boiler the air/fuel ratio must _____ throug