單項選擇題When lowering manropes alongside a stage rigged over the side of a vessel，they should be allowed to trail in the water（）.

A.to easily remove the kinks that form in the lines
B.to allow the seamen on the stage to know the direction and strength of the current
C.to provide the seaman something to hold onto if he or she falls from the stage into the water
D.only for short periods of time since they will become waterlogged and be very heavy to pull up


您可能感興趣的試卷

你可能感興趣的試題

1.單項選擇題What type of stern tube bearing has the least friction（）.

A.Oil-lubricated bearings
B.Lignum vitae
C.Hard rubber
D.Bronze bushings

2.單項選擇題What is a cofferdam（）.

A.Tube fitted to an ullage hole
B.Area the product is loaded into
C.Void or empty space separating two tanks
D.Opening in the deck used for cleaning a tank

3.單項選擇題What can cause a lack of oxygen in a chain locker（）．

A.Absorption
B.Osmosis
C.Evaporation
D.Oxidation

4.單項選擇題Tonnage openings must be closed by means of（）.

A.Press board
B.Steel hatch boards
C.Steel plates
D.Wooden hatch boards

5.單項選擇題The Vessel’s cargo holds are properly fitted with（）in way of hatches.

A.Floor-ceiling
B.Battens
C.Covers
D.Hard-wood boards