單項(xiàng)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(xiàng)選擇題For cargoes()grain meals,coal,ventilation is needed to prevent them()spontaneous combustion.

A.i.e./of
B.for instance/away
C.for example/off
D.such as/from

2.單項(xiàng)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

3.單項(xiàng)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

4.單項(xiàng)選擇題Bulk cargo refers to().

A.cargo which occupies a large volume of space
B.cargo which requires refrigeration
C.cargo which is very dense
D.homogeneous cargo not enclosed in a container

5.單項(xiàng)選擇題Before loading bulk grain,bilge wells must be covered to().

A.add strength to the bilge well strainer
B.permit rapid flow of water to the bilge wells
C.prevent cargo sifting into the bilge wells
D.prevent oil,water,or other liquid from reaching the cargo

6.單項(xiàng)選擇題Most very large ocean going vessels,such as bulk carriers and large tankers,tend to squat().

A.by the bow
B.by the stern
C.at the end nearest the bottom
D.evenly fore and aft

8.單項(xiàng)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(xiàng)選擇題Stanchions prevent the entire deck load on a ship from being carried by the().

A.bulkheads
B.stringers
C.frames and beam brackets
D.deck longitudinals

10.單項(xiàng)選擇題Strengthening damaged bulkheads by using wood or steel is called().

A.bracing
B.battening
C.blocking
D.shoring