单项选择题
Each drilling unit equipped with helicopter fuel storage tanks must have the tanks installed as far as practicable from the（）.
A.landing area and sources of vapor ignition
B.main deck
C.engine room
D.drill floor
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相关考题
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单项选择题
During which condition should the operator of a pedestal crane shutdown operations?（）
A.Lightning in the vicinity
B.An approaching squall line
C.A fire on the pier
D.All of the above -
单项选择题
During which condition should the operator of a pedestal crane shutdown operations?（）
A.Lightning
B.High winds
C.Fire aboard
D.All of the above -
单项选择题
During which condition should the operator of a pedestal crane shutdown operations?（）
A.Bunkering barge alongside
B.Potable water spill on deck
C.Crane hydraulic hose bursts
D.Trim greater than 4 feet
