单项选择题
If the overflow tank high-level alarm sounds while the fuel oil tanks are being topped off, the engineer should （）.
A.close the static leg filling valve
B.close the overflow tank falling valve
C.reduce the fuel oil pumping rate
D.stop the fuel oil pumping operation
相关考题
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单项选择题
After fuel tanks have been topped off, which of the listed procedures should be followed next?（）
A.The pressure-vacuum relief valve should be reset
B.The tanks should be made seaworthy to prevent contamination
C.The tanks should be sounded to make sure the levels are not rising
D.The tanks should be marked with a bull stamp on the manifold filling valve -
单项选择题
The most critical part of the bunkering operations, which can result in an oil spill, is when the （）
A.hose joints are made up
B.tanks are being topped off
C.system is being lined up
D.pumping operation is first started -
单项选择题
During fueling operations, which of the listed precautions should be taken when topping off fuel tanks?（）
A.Reduce the pumping rate by closing the deck filling valve
B.Close all overflow valves
C.Place 5 gallon containers under all flange connections in the fuel line
D.Reduce the pumping rate and sound tanks frequently as the level rises
