______ can be used to make the deck of a ship slippery to avoid pirates from climbing it（）
A. Water cannon
B. Anti-traction material
C. Boat trap
D. Electric fence
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What does the autopilot system include（）
A. Hydraulic system
B. Mechanical system
C. Electrical system
D. All of above
Which of the following is TRUE about a ship（）
A. The forward most contour of the ship’s hull is called quarter
B. The beam is the greatest distance between the two sides
C. The aft-most contour of the ship is called bow
D. The front of the ship is called stern
___ takes over the job of an OOW（）
A relieving officer on watch
B. The third officer
C. The second officer
D. The bosun
Before berthing, the master should take control of the ship accompanied by___（）
A. the second officer
B. the third officer
C. the pilot
D. the chief engineer
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