航海英语船员职务名称章节练习(2017.12.16)

单项选择题
Foam-type portable fire extinguishers are most useful in combating fires involving（）.
A.solid materials such as wood or bales of fiber
B.flammable liquids
C.electrical equipment
D.metallic solids
单项选择题
Fighting a rig fire in a watertight compartment with hoses could reduce the stability of the rig by（）.
A.progressive downflooding
B.reducing the level of drill water from the storage tanks
C.causing a list due to the water in the compartment
D.reducing the KG to minimum allowable
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 the month of October the Sun’s declination is（）.
A.north and increasing
B.north and decreasing
C.south and increasing
D.south and decreasing
单项选择题
Each fire hose coupling on a ship must have threads that meet the specifications of the（）.
A.American Petroleum Institute
B.National Standard Fire hose Coupling
C.American Society of Mechanical Engineers
D.Underwriter's Laboratories，Inc
单项选择题
During which condition should the operator of a pedestal crane shutdown operations?（）
A.Bunkering
B.High winds
C.Potable water spill on deck
单项选择题
Fire may be spread by which means?（）
A.Conduction of heat to adjacent surfaces
B.Direct radiation
C.Convection
D.All of the above
单项选择题
Fire protection regulations for towing vessels allow all of these types of fuel piping，EXCEPT（）.
A.steel
B.aluminum in an aluminum-hulled vessel
C.schedule 80 fire resistant plastic pipe
D.nickel-copper，copper-nickel or annealed copper
单项选择题
A qualified deck officer should be（）the watch.
A.in charge of
B.arranged
C.decided to
D.the depth of
单项选择题
During storm conditions on a ship，the mooring tensions should be adjusted so that（）.
A.all mooring lines have a different tension
B.the leeward lines have higher tension than the windward lines
C.the maximum tension of the most heavily loaded line does not exceed the safe working load
D.all horizontal tension forces on the windward lines are no greater than the vertical tension forces