A.fire drills
B.washing and cleaning
C.fumigation
D.quarantine
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A.require loading operations to be shut down until the atmosphere clears
B.are toxic to human life
C.are subject to spontaneous combustion
D.may be explosive in some concentrations
A.centers of buoyancy and gravity are in the same vertical line
B.righting moment equals the wind-heeling moment
C.downflooding point is below water
D.deck-edge immersion occurs
A.side longitudinals
B.intercostals
C.stiffeners
D.brackets
A.Collision damage to the bow，forward of the collision bulkhead
B.Grounding damage to the bilge strake，just aft of midships
C.Extensive corrosion to the centerline deck plating
D.Damage to the side shell，midway between the bilge and the stringer plate
A.at a lower level than the baseline
B.on the longitudinal centerline
C.higher than the center of gravity
D.at amidships
A.centerline system of framing
B.isometric system of framing
C.longitudinal system of framing
D.transverse system of framing
A.displacement
B.fumigation
C.discharging
D.compensation
A.stiffener
B.beam
C.stringer
D.doubler
A.Shifting cargo
B.Moving cargo
C.Removing cargo
D.Trimming cargo
A.i.e.／of
B.for instance／away
C.for example／off
D.such as／from
最新試題
Atmospheres laden with coal dust or grain dust caused by loading these cargoes（）.
Most very large ocean going vessels，such as bulk carriers and large tankers，tend to squat（）.
In Hatch No.3 the cargo（）bulk is peaked．
Bags are usually stowed in between the bulk grain（）.
Ship’s officers should check every cargo compartment after it is filled with bulk grain to ensure（）.
When a wind force causes a floating ship to heel to a static angle，the（）.
In any case the draught of the vessel at the（）shall not be less than that which is necessary to obtain full immersion of the propeller.
Transverse frames are more widely spaced on a ship that is designed with the（）.
What would have the greatest affect on a vessel’s longitudinal strength? （）
Strengthening damaged bulkheads by using wood or steel is called（）.