网友您好， 请在下方输入框内输入要搜索的题目：
题目内容
（请给出正确答案）
单选题
Magnetic variation changes with a change in（）.
A
the vessel's heading
B
sea conditions
C
seasons
D
the vessel's position
参考答案
参考解析
解析：
暂无解析
更多 “单选题Magnetic variation changes with a change in（）.A the vessel's headingB sea conditionsC seasonsD the vessel's position” 相关考题
考题
The agonic line on an isomagnetic chart indicates the ______.A.magnetic equatorB.magnetic longitude reference lineC.points where there is no variationD.points where there is no annual change in variation
考题
Lines on a chart which connect points of equal magnetic variation are called ______.A.magnetic latitudesB.magnetic declinationsC.dipD.isogonic lines
考题
How is the annual rate of change for magnetic variation shown on a pilot chart? ______.A.Gray lines on the uppermost inset chartB.Red lines on the main body of the chartC.In parenthesis on the lines of equal magnetic variationD.Annual rate of change is not shown
考题
The daily recurring pattern of pressure changes most noticeable in low latitudes is the ______.A.daily lapse readingB.diurnal variation of pressureC.pressure tendencyD.synoptic pressure
考题
Compass error is equal to the ______.A.deviation minus variationB.variation plus compass courseC.combined variation and deviationD.difference between true and magnetic heading
考题
How is variation indicated on a small-scale nautical chart?______.A.Magnetic compass tableB.Magnetic meridiansC.Isogonic linesD.Variation is not indicated on small-scale nautical charts
考题
If a magnetic compass is not affected by any magnetic field other than the Earth’s which statement is TRUE?______.A.Compass error and variation are equalB.Compass north will be true northC.Variation will equal deviationD.There will be no compass error
考题
All of followings should be done by the project manager during project control except ().A.Determine the a change has occurred
B.Ensure that a change is agreed
C.Make sure all changes are approveD.by management
D.Manage changes as they occur
考题
Change management would typically be composed of the raising and recording of changes, assessing the impact, cost, benefit and risk of proposed changes,developing business justification and obtaining approval, managing and coordinating change implementation, monitoring and reporting on implementation, reviewing and closing （）.
A. change reason
B. change model
C. remediation plan
D. change requests
考题
Which statement correctly describes the change tracking writer （CTWR） background process？（）A、 It keeps track of changes in the background processes.B、 It records the system change number （SCN） in the control file.C、 It writes audit records for user changes to the change tracking file.D、 It records any changes to the listened configuration in the listener.ora file.E、 It records any changes to the database parameters in the change tracking file.F、 It records the physical location of all the changes that are made to the database in the change tracking file.
考题
单选题According to the passage, the Earth’s magnetic field has _____.A
begun to change in the opposite directionB
been weakening in strength for a long timeC
caused the changes on the polaritiesD
misguided many a man and animal
考题
单选题If a magnetic compass is not affected by any magnetic field other than the Earth’s，which statement is TRUE? （）A
Compass error and variation are equalB
Compass north will be true northC
Variation will equal deviationD
There will be no compass error
考题
单选题Variation is not constant; it is different with every change in（）.A
speedB
vessel headingC
geographical locationD
cargo
考题
单选题Lines on a chart which connect points of equal magnetic variation are called （）.A
magnetic latitudesB
magnetic declinationsC
dipD
isogonic lines
考题
单选题The permanent magnetism of a vessel may change in polarity due to（）.A
being moored for a long time on one headingB
being struck by lightingC
steaming from the north magnetic hemisphere to the south magnetic hemisphereD
loading a homogenous magnetic cargo such as steel plate，iron bars，etc
考题
单选题The variation for most given areas undergoes（）change，the amount of which is also noted on charts.A
an annualB
a constantC
a variableD
an unstable
考题
单选题How is the annual rate of change for magnetic variation shown on a pilot chart?（）A
Gray lines on the uppermost inset chartB
Red lines on the main body of the chartC
In parenthesis on the lines of equal magnetic variationD
Annual rate of change is not shown
考题
单选题Inductance is the property of an electric circuit that （）A
opposes any change in the applied voltageB
opposes any change in the current flow through the circuitC
aids any changes in the applied voltageD
aids any changes in the current through the circuit
考题
单选题Which information does the outer ring of a compass rose on a nautical chart provide（）.A
variationB
true directionsC
magnetic directionsD
annual rate of variation change
考题
单选题Variation is the angular measurement between（）.A
compass north and magnetic northB
compass north and true northC
magnetic meridian and the geographic meridianD
your vessel's heading and the magnetic meridian
考题
单选题Variation in a compass is caused by（）.A
worn gears in the compass housingB
magnetism from the earth's magnetic fieldC
magnetism within the vesselD
lack of oil in the compass bearings
考题
单选题According to the passage, _____.A
we should not worry about the transition of the Earth’s magnetic fieldB
the Earth’s magnetic field will not change for at least 2000 yearsC
the Earth’s magnetic field has decreased its strength rapidlyD
the transition of the Earth’s magnetic field can be controlled by modern science
考题
单选题The principal purpose of magnetic compass adjustment is to（）.A
reduce the variation as much as possibleB
reduce the deviation as much as possibleC
reduce the magnetic dip as much as possibleD
allow the compass bowl to swing freely on its gimbals
考题
单选题Error may be introduced into a magnetic compass by（）.A
making a structural change to the vesselB
a short circuit near the compassC
belt bucklesD
All of the above
考题
单选题Compass error is equal to the（）.A
deviation minus variationB
variation plus compass courseC
combined variation and deviationD
difference between true and magnetic heading
考题
单选题The daily recurring pattern of pressure changes most noticeable in low latitudes is the （）.A
daily lapse readingB
diurnal variation of pressureC
pressure tendencyD
synoptic pressure
热门标签
最新试卷