单项选择题
A.a large TCG B.a negative GM C.excessive ballast D.insufficient deck load
A disk with a horizontal line through its center，equiva...
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
A deep draft VLCC (100，000 DWT+) navigating in a narrow...
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
A current moving across a lock entrance toward the rive...
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
