單項選擇題What is a spill pipe?（）

A.A drainage pipe that carries rain or spray from an upper deck to a lower deck
B.A pipe under the anchor windlass leading to the chain locker
C.A chute，usually over the stern，to lead dumped garbage clear of the hull
D.An opening in the deck leading outside the hull


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1.單項選擇題What happens to the pulling power of a winch when retrieving wire rope?（）

A.It increases
B.It decreases
C.It remains the same
D.It fluctuates，depending on the gearing system

3.單項選擇題What does the term end-for-end refer to in regard to a wire towing hawser?（）

A.Cutting off the bitter and towing ends of the wire rope
B.Splicing two wire ropes together
C.Removing the wire rope from the drum and reversing it so that the towing end becomes the bitter end
D.Removing the wire rope from the drum and turning it over so that the wire bends in the opposite direction when rolled on a drum

4.單項選擇題What can be used to measure the percentage of oxygen inside a chain locker?（）

A.Flame safety lamp
B.Combustible gas indicator
C.Oxygen indicator
D.H2S meter

5.單項選擇題What best describes an anchor buoy?（）

A.A black ball that is hoisted when the ship anchors
B.A buoy attached to the anchor
C.A buoy attached to the scope of an anchor chain
D.A mark of the number of fathoms in an anchor chain