海船船员考试

单选题Quadrantal error in a gyrocompass has its GREATEST effect().A in high latitudesB near the equatorC on north or south headingsD on intercardinal headings

题目
单选题
Quadrantal error in a gyrocompass has its GREATEST effect().
A

in high latitudes

B

near the equator

C

on north or south headings

D

on intercardinal headings

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:

A green buoy has a yellow triangle on it. This is a(n) ______.

A.information or regulatory buoy that has lateral significance

B.buoy that is off-station and is marked to warn mariners of its wrong position

C.dual purpose marking used where the ICW and other waterways coincide

D.buoy that was set in error and will be replaced with a red nun buoy


正确答案:C

第2题:

Which statement about the gyrocompass is FALSE ________.

A.Its accuracy remains the same at all latitudes

B.It seeks the true meridian

C.It can be used near the Earth's magnetic poles

D.If an error exists,it is the same on all headings


正确答案:A

第3题:

Network management helps you to(66)the strengths and weaknesses of your network, as well as determine any configuration changes that may be necessary. Any controlled changes to your network and its components-especially configurations, software and(67), can have an effect on its overall efficiency. To maintain control, you need the tools and knowledge to manage all activity that has the potential to affect your(68).

A.see

B.know

C.monitor

D.control


正确答案:C
解析:Monitor意为“监控”。

第4题:

单选题
A vessel is heading magnetic northwest and its magnetic compass indicates a heading of 312°. What action should be taken to remove this error during compass adjustment? ()
A

If the quadrantal spheres are all the way out,replace them with smaller spheres

B

If the quadrantal spheres are all the way in,replace them with larger spheres

C

If the quadrantal spheres are all of the way out,move the spheres in

D

If the quadrantal spheres are all the way out,replace them with larger spheres.


正确答案: A
解析: 暂无解析

第5题:

单选题
Which statement about the gyrocompass is FALSE().
A

Its accuracy remains the same at all latitudes

B

It seeks the true meridian

C

It can be used near the Earth's magnetic poles

D

If an error exists,it is the same on all headings


正确答案: A
解析: 暂无解析

第6题:

A vessel is heading magnetic north and its magnetic compass indicates a heading of 003°. What action should be taken to remove this error during compass adjustment?

A.Move the quadrantal spheres closer to the compass

B.Raise the heeling magnet if the red end is up

C.Remove some of the Flinders bar

D.Raise or lower the athwartship magnets


正确答案:D

第7题:

单选题
Which statement about the Flinders bar of the magnetic compass is CORRECT().
A

It compensates for the error caused by the vertical component of the Earth's magnetic field

B

It compensates for error caused by the heeling of a vessel

C

It compensates for quadrantal deviation

D

It is only needed in equatorial waters


正确答案: C
解析: 暂无解析

第8题:

(46)It may be said that the measure of the worth of any social institution is its effect in enlarging and improving experience; but this effect is not a part of its original motive.此处译文为:


正确答案:
【结构分析】
It may be saidthat the measure of the worth of any social institution is its effect in enlarging and improving experience; but this effect is not a part of its original motive.
这是一个并列复合句。It may be said that 是一个固定句型,用来引出主语从句;that the measure of the worth of any social institution is its effect in enlarging and improving experience 是主语从句的内容,为主系表结构,其中in enlarging and improving experience是介词短语作定语,修饰effect ; 句子but this effect is not a part of its original motive是主系表结构的简单句,用but体现与前面的转接关系。
【词义推敲】
measure 尺度,标准
motive 动机
【翻译润色】
It may be said或许可以说
that the measure of the worth of any social institution is its effect in enlarging and improving experience 任何社会机构的价值衡量尺度是它在丰富和提升经验方面所起到的作用
but this effect is not a part of its original motive 但是这种影响并不是它原来的动机的一部分。
【参考译文】
或许可以说,任何社会机构的价值衡量尺度是它在丰富和提升经验方面所起到的作用,但这种作用并非是它原来的动机的一部分。

第9题:

单选题
Which factor has the greatest effect on the amount of gain required to obtain a fathometer reading?()
A

Salinity of water

B

Temperature of water

C

Atmospheric pressure

D

Type of bottom


正确答案: A
解析: 暂无解析

第10题:

单选题
A vessel is heading magnetic north and its magnetic compass indicates a heading of 003°. What action should be taken to remove this error during compass adjustment? ()
A

Move the quadrantal spheres closer to the compass

B

Raise the heeling magnet if the red end is up

C

Remove some of the Flinders bar

D

Raise or lower the athwartship magnets


正确答案: A
解析: 暂无解析

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