单项选择题What is NOT a problem when carrying coal? ()

A.The requirement for through-ventilation
B.The corrosion some types of coal will cause to the ship
C.Spontaneous heating
D.Generation of methane gas


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1.单项选择题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

2.单项选择题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.单项选择题The heavier outboard strake of deck plating on a ship is called the deck().

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

5.单项选择题The correction to KG for longitudinal free surface effects for a vessel can be found by dividing the vessel’s displacement into the().

A.transverse free surface correction for the vessel
B.sum of the vertical moments of the vessel
C.sum of the longitudinal free surface moments of the vessel
D.longitudinal centerline of the vessel

6.单项选择题The center of gravity of a freely swinging load suspended from a pedestal crane acts as if it were located at the().

A.counterweight
B.pedestal
C.longitudinal centerline
D.point of suspension

7.单项选择题Strengthening damaged bulkheads by using wood or steel is called().

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

8.单项选择题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

9.单项选择题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

10.单项选择题Ship’s officers should check every cargo compartment after it is filled with bulk grain to ensure().

A.all lighting circuits are energized
B.all void spaces are filled
C.the correct grade of cargo has been loaded
D.the heavier grade is in the lower hold