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單項(xiàng)選擇題

In order to reduce the accumulation of static electricity while loading petroleum products，you should（）.

A.start to load at maximum pressure
B.start to load slowly
C.increase the air flow into the tank
D.use the overall method of loading only

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單項(xiàng)選擇題

If you are bunkering and you close off one tank in the line of tanks being filled，the rate of flow to other open tanks on the same line will（）.

A.increase
B.decrease
C.stop
D.remain constant

單項(xiàng)選擇題

How must each storage tank for helicopter fuel on a ship be marked?（）

A.DANGER - KEEP AWAY
B.DANGER - EXPLOSIVE VAPORS
C.DANGER - NO SMOKING
D.DANGER - FLAMMABLE LIQUID

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