海船船员考试
单选题The vertical angle between the horizontal and the magnetic line of force is the（）.A elevationB magnetic angleC vertical angleD dip
题目
elevation
magnetic angle
vertical angle
dip
相似问题和答案
第1题：
This passage implies that ______.
A) horizontal faults are more dangerous than vertical faults
B) vertical faults are more dangerous than horizontal faults
C) earthquakes may occur around fault areas
D) California will break into pieces by an eventual earthquake
答案：C
[试题分析]事实推断题。
[详细解答]作者在谈论完两个断层后，都提到断层运动的直接结果都是或大或小的地震，因此，我们不难判断，C的内容正确。
第2题：
Permanent magnetism is caused by ______.
A.operation of electrical equipment and generators on board ship
B.the earth's magnetic field affecting the ship's hard iron during construction
C.the horizontal component of the earth's magnetic field acting on the horizontal soft iron
D.the vertical component of the earth's magnetic field acting on the vertical soft iron
第3题：
Horizontal equity vs．vertical equity横向平等与纵向平等
横向平等指的是：对境况类似的人给予平等或公平的待遇，强调的是基本情况相同的人应得到相同的待遇。
纵向平等指的是：对境况不同的人应给予平等的待遇。
第4题：
______is an angle at which a cargo settles in the hold of a ship，between the horizontal and the slope made by a bulk cargo such as grain or iron ore．
A.Angle of loll
B.Angle of inclination
C.Angle of repose
D.Angle of list
静止角是在货物进入货舱时，水平面与倾斜面的夹角，散货船上比如散谷和铁矿石。
第5题：
With a given load on the cargo hook，the thrust on a cargo boom ______.
A.increases as the angle to the horizontal increases
B.increases as the angle to the horizontal decreases
C.is greatest at an angle of 45° and decreases as the boom is raised or lowered
D.is least at an angle of 45° and increases as the boom is raised or lowered
第6题：
The height of eye correction is smaller than geometrical dip because of ______.
A.the angle between the horizontal and the line of sight to the visible horizon
B.index error
C.parallax
D.terrestrial refraction
第7题：
With a given load on the cargo hook，tension in a single span topping lift ______.
A.increases as the boom's angle to the horizontal increases
B.is at a maximum when the boom is at a 45° angle to the horizontal
C.increases as the boom's angle to the horizontal decreases
D.decreases as the boom's angle to the horizontal decreases
第8题：
On a crane, the boom indicator tells the operator what angle the boom angle is compared to the ______.
A.vertical position
B.horizontal position
C.boom stop angle
D.minimum radius angle
在船上，吊杆指示器指示一个吊杆与什么比较的角度？水平线位置
第9题：
A single vertical magnet placed underneath the compass in the binnacle is used to compensate for ______．
A.The horizontal component of the permanent magnetism
B.Deviation caused by the vessel's inclination from the vertical
C.Induced magnetism in the horizontal soft iron
D.Induced magnetism in the vertical soft iron
第10题：
Deviation is the angle between the ______.
A.true meridian and the axis of the compass card
B.true meridian and the magnetic meridian
C.magnetic meridian and the axis of the compass card
D.axis of the compass card and the degaussing meridian
自差是磁子午线与罗经盘的轴之间的角。