海船船员考试

单选题Which knot reduces the strength of a line by the LEAST amount().A BowlineB Clove hitchC Sheet bendD Two half hitches

题目
单选题
Which knot reduces the strength of a line by the LEAST amount().
A

Bowline

B

Clove hitch

C

Sheet bend

D

Two half hitches

参考答案和解析
正确答案: C
解析: 暂无解析
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相似问题和答案

第1题:

Mooring winch should be equipped with mechanical brakes which are capable of holding ______.

A.half the breaking strength of the mooring line

B.the full breaking strength of the mooring line

C.the maximum expected tension of the mooring line

D.50% over the working tension of the mooring line


正确答案:B

第2题:

Which bend or knot is used to tie a small line to a larger one ________.

A.Becket bend

B.Bowline

C.Clove hitch

D.Lark's head


正确答案:A

第3题:

The carrick bend is used to ______.

A.add strength to a weak spot in a line

B.join two hawsers

C.be a stopper to transfer a line under strain

D.join lines of different sizes


正确答案:B
carrickbend(单花大绳连结)被用于链接两个大绳。

第4题:

Which signal and noise values will result in the best phone communication with an access point?()

  • A、signal strength 46dBm, noise level 95dBm
  • B、signal strength 74dBm, noise level 94dBm
  • C、signal strength 68dBm, noise level 79dBm
  • D、signal strength 50dBm, noise level 56dBm

正确答案:A

第5题:

A “figure eight”knot is used to ______.

A.be a stopper

B.shorten a line

C.join lines of equal size

D.keep a line from passing through a sheave


正确答案:D
八字结通常用于一条绳穿过滑车。

第6题:

If a mooring line should part while you are tying up at a dock,you should make a temporary eye by tying a ______.

A.becket bend

B.clove hitch

C.bowline

D.square knot


正确答案:C

第7题:

Which knot is suitable for hoisting an unconscious person ________.

A.Bowline on a bight

B.Fisherman's loop

C.French bowline

D.Spider hitch


正确答案:C

第8题:

Which of the following BEST describes the function of a redundant power supply?()

A. Provides additional diagnostic LEDs

B. Reduces power consumption

C. Eliminates a single point of failure

D. Reduces total cost of ownership


参考答案:C

第9题:

Which signal and noise values will result in the best phone communication with an access point?()

  • A、 Signal strength 0dBm, noise level 6dBm
  • B、 Signal strength 8dBm, noise level 9dBm
  • C、 Signal strength 4 dBm, noise level 4 dBm
  • D、 Signal strength 6dBm, noise level 5 dBm

正确答案:A

第10题:

Which of the following BEST describes the function of a redundant power supply?()

  • A、 Provides additional diagnostic LEDs
  • B、 Reduces power consumption
  • C、 Eliminates a single point of failure
  • D、 Reduces total cost of ownership

正确答案:C

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