海船船员考试

单选题In a combination chain and wire rope mooring system,the anchor chain is deployed at the anchor end of the line to().A increase fatigue life of the systemB reduce the time to retrieve the lineC increase the holding powerD reduce the catenary

题目
单选题
In a combination chain and wire rope mooring system,the anchor chain is deployed at the anchor end of the line to().
A

increase fatigue life of the system

B

reduce the time to retrieve the line

C

increase the holding power

D

reduce the catenary

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相似问题和答案

第1题:

Vessels lying afloat at buoys for more than 24 hours should use anchor chain for ______ and insurance wire for ______.

A.bow mooring/stern line

B.forward spring/after spring

C.forward breast rope/forward spring

D.slip rope/stern line


正确答案:A

第2题:

Where do fatigue failures of wire rope mooring lines usually occur ________.

A.In the middle part of the line length

B.Near the socketed end fitting adjacent to the anchor

C.At the point where the line touches the bottom

D.At the place the anchor buoy is attached to the line


正确答案:B

第3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


正确答案:B
一个拖索链条在钢索之上的一个优点是链条抵抗来自摩擦的损害。

第4题:

Given the same water depth and line tension, the holding power of a 19 pound / foot wire rope mooring system in comparison to the holding power of a 90 pound / foot chain mooring system will be ______.

A.weaker

B.equal

C.greater

D.Indeterminable


正确答案:A
考虑到同样的吃水和绳的张力,用一个19英寸的钢丝缆系泊系统与一个90英寸的相比较弱一些。

第5题:

A mooring line is described as being 6x24, 1-3/4 inch wire rope. What do the above numbers refer to ? ______.

A.Strands, yarns, circumference

B.Strands, wires, diameter

C.Wires, yarns, diameter

D.Strands, circumference, wires


正确答案:B
系泊缆绳被描述为6x24,1-3/4英寸的钢丝绳。以上数字代表什么?股数、金属丝、直径。

第6题:

Which statement is TRUE about the use of a“gob rope”________.

A.The gob rope is a mooring line for tying up lighters for working cargo alongside a vessel anchored in an open roadstead

B.The gob rope is used to secure the towline aft over the centerline of a tug

C.The gob rope is a line hung over a vessel's side to assist in boarding

D.The gob rope is a rope used in mooring a vessel to a buoy


正确答案:B

第7题:

Which molten substance is poured into the basket of a wire rope socket being fitted to the end of a wire rope ________.

A.Babbitt

B.Bronze

C.Lead

D.Zinc


正确答案:D

第8题:

A chain bridle is preferable to a wire rope towing bridle on a long ocean tow because chain ______.

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


正确答案:D

第9题:

Chafing gear should be placed______.

A.at all wearing points of mooring lines

B.around running rigging

C.on wire rope only forces

D.at the bitter ends of all standing rigging


正确答案:A
防(摩)擦装置应被放在所有系泊缆绳的摩擦点上。

第10题:

In a combination chain and wire rope mooring system, the anchor chain is deployed at the anchor end of the line to ______.

A.increase fatigue life of the system

B.reduce the time to retrieve the line

C.increase the holding power

D.reduce the catenary


正确答案:C
在锚链与缆绳并用的系泊系统中,缆绳的作用主要是增强系泊强度。

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