A.Is easy to connect
B.Provides an effective catenary and absorbs shock due to its weight
C.Makes rigging a swivel unnecessary
D.Prevents the tow from yawing by the drag of the chains in a seaway
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A.double sized mattress consists of more than 890 coils
B.spar extending from a mast or a king post
C.flap（Becker rudder）can be fitted to the rudder’s trailing edge
D.bridle arrangement having a long beam of the length of the container
A.6 inches in diameter and 19 fathoms long
B.6 inches in circumference with 19 strands
C.6 strands with 19 wires in each strand
D.19 strands with 6 wires in each strand
A.12 strands and a two-inch diameter
B.12 strands and a two-inch circumference
C.6 strands and a two-inch diameter
D.6 strands and a two-inch circumference
A.keep a line from fraying
B.join lines of unequal size
C.stop off a line
D.shorten a line
A.Shrouds
B.King posts
C.Stays
D.Turnbuckles
最新試題
Which material should NOT be used to secure cargo on deck for a voyage（）.
Which lashing gear used aboard Ro-Ro vessels should be painted or soaked in oil when not in use（）.
When riveted joints occur at the ends of plating they are called（）.
The rolling hitch could be used to（）．
What should you do to a line to prevent fraying where it passes over the side of the vessel（）.
When a line is laid down in loose，looping figure-eights，it is said to be（）.
Which tensioning device is used with chain to secure heavy vehicles aboard Ro-Ro vessels（）.
When a line is subject to wear where it passes through a mooring chock，it should be（）.
What type of line melts easiest（）.
What is the main purpose of dunnage（）.