單項(xiàng)選擇題Buckler plates are（）.

A.triangular-shaped plates connecting the bull chain to the topping lift
B.metal plates secured over the tops of the hawsepipes
C.faired shell plates with curvature in two directions
D.sheets of dunnage used to prevent heavy cargo from buckling the deck plates


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1.單項(xiàng)選擇題Bilge keels are fitted on ships to（）.

A.assist in drydock alignment
B.improve the vessel's stability
C.protect the vessel from slamming against piers
D.reduce the rolling of the vessel

2.單項(xiàng)選擇題A wildcat is a（）.

A.deeply-grooved drum on the windlass with sprockets which engage the links of the anchor chain
B.winch that is running out of control due to a failure of the overspeed trips
C.line that has jumped off the gypsyhead while under strain
D.nylon line that parts under strain and whips back in a hazardous manner

4.單項(xiàng)選擇題A set of interior steps on a ship leading up to a deck from below is known as（）.

A.a companion way
B.tween-decks
C.stairs
D.Any of the above are acceptable

5.單項(xiàng)選擇題A measurement device for inspecting anchor chain is the（）.

A.slide rule
B.go-no-go gauge
C.derrick tape
D.amp probe