题目
A.is more flexible and has the ability to absorb shock because of its weight
B.is less subject to wear and damage from abrasion
C.requires little maintenance
D.All of the above
第1题
One advantage of chain over wire rope for a tow bridle is that chain ______.
A.is better suited for inland towing
B.resists damage from chafing
C.handles more easily
D.equalizes towing forces better
第2题
A chain bridle is used when towing astern because it ______.
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
第3题
A bridle for an ocean tow consists of ______.
A.two chains of equal length
B.a single nylon pendant rove through a heavy ring free to move on the pendant
C.two long legs of wire rope shackled to a fishplate
D.a single length of heavy chain with both ends secured on deck to welded pad eyes
第4题
An ocean towing bridle whose legs are equal length, but too short, may ______.
A.fail to provide spring in the hawser
B.cause unequal distribution of the load to one leg
C.cause the bridle legs to jump clear of the chocks or fairleads
D.None of the above
第5题
Why should you soak an anchor ________.
A.It can prevent the anchor from slipping during pretensioning
B.It will lubricate all the moving parts of a stock anchor
C.It will increase the maximum breaking strength of the anchor chain
D.It will make it easier to disassemble the anchor for repair
第6题
An ocean towing bridle whose legs are of equal length,but too short,may ______.
A.fail to provide spring in the hawser
B.cause unequal distribution of the load to one leg
C.cause the bridle legs to jump clear of the chocks or fairleads
D.None of the above
第7题
The choice of length of tow bridle legs is governed by the ______.
A.Expected towing forces
B.Capability of retrieving gear
C.Freeboard of the unit being towed
D.Need to reduce yaw
第8题
A.lifelines
B.righting strap
C.sea anchor
D.towing bridle
第9题
A.fitted in each leg of the towing bridle
B.generally located between the "fishplate" and the main towing hawser
C.secured at the "H" bitts
D.usually made of manila hawser
第10题
A.towing bridle
B.main weather cover
C.external lifelines
D.righting strap
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