A、A.close the static leg filling valve
B、B.close the overflow tank falling valve
C、C.reduce the fuel oil pumping rate
D、D.stop the fuel oil pumping operation
更多“If the overflow tank high-level alarm sounds while the fuel oil tanks are being topped off, the engineer should （）.”相关的问题
A、Each vent for the tank must be equal to the area of the tank filling line B、The tanks must be protected by overflows C、The total area of the vents or the overflow shall be at least equal to the area of the fill line D、There must be twice as much vent area as the area of the fill line
A、plugging gooseneck tank vents to prevent accident overflow B、maintaining a high transfer rate until a slight trickle of oil is observed flowing from the overflow line C、sounding the tanks frequently and reducing the transfer rate as the level approaches maximum fill D、maintaining a supply of chemical dispersant to cleanup minor oil spills adjacent to the ship
A、A.controls the amount of gasoline to the engine B、B.shuts off the gasoline supply at the tank C、C.is used if the gasoline tank leaks D、D.All of the above
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
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