单项选择题
A.week B.two weeks C.month D.two months
Each EPIRB required on a ship shall be stowed in a mann...
单项选择题Each EPIRB required on a ship shall be stowed in a manner which will permit().
A.easy access to its storage compartment B.replacement of the battery without exposure to the weather C.it to float free if the unit sinks D.it to remain attached to the unit
Each drilling unit equipped with helicopter fuel storag...
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
During which condition should the operator of a pedesta...
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