单项选择题
A disk with a horizontal line through its center，equivalent to the summer load line，is called the（）.
A.deadrise mark
B.maximum allowable draft mark
C.plimsoll mark
D.tonnage mark
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相关考题
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单项选择题
A deep draft VLCC (100，000 DWT+) navigating in a narrow channel or canal（）.
A.draws more water than when underway in deep water
B.draws less water with an increase in speed
C.requires less power for a given speed
D.steers better under full power -
单项选择题
A current moving across a lock entrance toward the river or toward the dam is called a(n)（）.
A.cutoff
B.outdraft
C.lockwash
D.springpool -
单项选择题
A common occurrence when a vessel is running into shallow water is that（）.
A.the wake is less pronounced
B.the vessel is more responsive to the rudder
C.squat will cause a decrease in bottom clearance and an increase in draft
D.All of the above
