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單項選擇題

The viscosity regulator controls the （） of the fuel oil in order to provide the oil at the correct viscosity for combustion.

A.temperature
B.pumping rate
C.pressure
D.heat

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單項選擇題

The viscosity regulator controls （） in order to provide oil at the correct viscosity for combustion.

A.the engines speed
B.the engines load
C.the fuel oil temperature
D.the fuel oil flow

單項選擇題

The vessel is out of harbor and in “Full Ahead”We are going to run fuel oil instead of （） and open the fuel oil heater steam valve.

A.heavy oil
B.lube oil
C.fuel oil
D.diesel

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