單項選擇題The ship’s draught forward is slightly deeper than the draught aft．This condition is called（）in shipping terms.

A.trim by the head
B.trim by the stern
C.even keel
D.drafts different


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1.單項選擇題Progressive flooding may be indicated by（）.

A.ballast control alarms
B.excessive draft
C.excessive list or trim
D.a continual worsening of list or trim

2.單項選擇題Horizontal fore or aft motion of a vessel is known as（）.

A.pitch
B.surge
C.sway
D.roll

4.單項選擇題That center around which a vessel trims is called the（）.

A.tipping center
B.center of buoyancy
C.center of gravity
D.turning center

5.單項選擇題At an angle of loll，the capsizing moment is（）.

A.maximum
B.negative
C.positive
D.zero

6.單項選擇題Angular motion about the vertical axis of a vessel is called（）.

A.yaw
B.surge
C.sway
D.roll

7.單項選擇題The downflooding angle for a ship is the minimum angle at which（）.

A.the load line becomes submerged
B.a non-watertight opening is at still water level
C.offset becomes excessive
D.reserve buoyancy is a maximum

8.單項選擇題Pitching is angular motion of the vessel about what axis?（）.

A.Longitudinal
B.Transverse
C.Vertical
D.Centerline

9.單項選擇題All of the following can be determined by use of a stabilogauge EXCEPT（）.

A.metacentric height
B.mean draft
C.moment to trim one inch
D.deadweight

10.單項選擇題If the metacentric height is small，a floating vessel will（）.

A.be tender
B.have a quick and rapid motion
C.be stiff
D.yaw