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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相关考题
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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 -
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 -
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
