A vessel loads edible oil in a deep tank through a manhole at the midlength of the tank. In order to fill the tank to maximum capacity，what trim should the vessel have?（）

单项选择题A vessel is tender if cargo weight is（）.

A.concentrated high and the double bottoms empty
B.concentrated low and the double bottoms empty
C.evenly distributed vertically with the double bottoms full
D.concentrated and with the double bottoms full

单项选择题A vessel is listed when it is（）.

A.down by the head
B.down by the stern
C.inclined due to off-center weight
D.inclined due to wind

单项选择题A vessel aground may have negative GM since the（）.

A.decrease in KM is equal to the loss of draft
B.virtual rise of G is directly proportional to the remaining draft
C.lost buoyancy method is used to calculate KM，and KB is reduced
D.displacement lost acts at the point where the ship is aground

单项选择题A quick and rapid motion of a vessel in a seaway is an indication of a(n)（）.

A.large GM
B.high center of gravity
C.excessive free surface
D.small GZ

单项选择题A number of bags are worn-out（）a certain extent.

A.at
B.in
C.on
D.to