A.six weeks
B.six months
C.twelve months
D.two years
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A.the name of the unit on which it is located
B.the date that it was installed on the unit
C.the names of the individuals qualified to use it
D.an identification number different from other extinguishers on the unit
A.the pump discharge
B.the manifold connection
C.each fire station discharge
D.the pump station
A.American Petroleum Institute
B.National Standard Fire hose Coupling
C.American Society of Mechanical Engineers
D.Underwriter's Laboratories，Inc
A.week
B.two weeks
C.month
D.two months
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
最新試題
During the course of a voyage，a seaman falls on the main deck and injures his ankle. The Master should submit a Report of Marine Accident，Injury or Death if the（）.
During the winter months，the southeast trade winds are（）.
Foam-type portable fire extinguishers are most useful in combating fires involving（）.
Fighting a rig fire in a watertight compartment with hoses could reduce the stability of the rig by（）.
During storm conditions on a ship，the mooring tensions should be adjusted so that（）.
Each hand portable fire extinguisher on a ship must be marked with（）.
Fighting a rig fire in the ballast pumproom with hoses would adversely affect the stability of the rig most by（）.
During transfer operations，a quantity of propylamine spills on deck. According to the Chemical Data Guide，the correct procedure would be to（）.
Fire dampers prevent the spread of fire by（）.
During which condition should the operator of a pedestal crane shutdown operations?（）