單項選擇題The disinfection of various compartments in a vessel by filling them with a gaseous agents to destroy rats etc.means().

A.fire drills
B.washing and cleaning
C.fumigation
D.quarantine


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1.單項選擇題Stable equilibrium for a vessel means that the metacenter is().

A.at a lower level than the baseline
B.on the longitudinal centerline
C.higher than the center of gravity
D.at amidships

2.單項選擇題The heavier outboard strake of deck plating on a ship is called the deck().

A.stiffener
B.beam
C.stringer
D.doubler

4.單項選擇題Transverse frames are more widely spaced on a ship that is designed with the().

A.centerline system of framing
B.isometric system of framing
C.longitudinal system of framing
D.transverse system of framing

5.單項選擇題Progressive flooding on a ship is controlled by securing watertight boundaries and().

A.transferring drill water
B.dumping bulk materials
C.pumping out flooded compartments
D.evacuating the unit

6.單項選擇題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.

A.forward perpendicular
B.amidships
C.longitudinal center of floatation
D.after perpendicular

8.單項選擇題What would have the greatest affect on a vessel’s longitudinal strength? ()

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

9.單項選擇題TRANSVERSE MOVEMENT OF CARGO,ESPECIALLY BULK,CAUSED BY ROLLING OR A HEAVY LIST defines().

A.Shifting cargo
B.Moving cargo
C.Removing cargo
D.Trimming cargo

10.單項選擇題What term indicates a curvature of the decks in a longitudinal direction?()

A.Deadrise
B.Camber
C.Sheer
D.Flare