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
Lines on a chart which connect points of equal magnetic variation are called （）.
A
magnetic latitudes
B
magnetic declinations
C
dip
D
isogonic lines
参考答案
参考解析
解析：
暂无解析
更多 “单选题Lines on a chart which connect points of equal magnetic variation are called （）.A magnetic latitudesB magnetic declinationsC dipD isogonic lines” 相关考题
考题
The compass error of a magnetic compass that has no deviation is ______.A.zeroB.equal to variationC.eliminated by adjusting the compassD.constant at any geographical location
考题
An organization chart is used ()A. to show exact figuresB. to show lines of authorityC. to illustrate a procedure
考题
A pilot chart does NOT contain information about ______.A.average wind conditionsB.tidal currentsC.magnetic variationD.average limits of field ice
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
Isogonic lines are lines on a chart indicating ______.A.points of equal variationB.points of zero variationC.the magnetic latitudeD.magnetic dip
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
On a nautical chart，the inner ring of a compass rose indicates ______.A.true directionsB.compass errorC.deviationD.magnetic directions
考题
An isotherm is ______.A.a line on a weather map connecting equal points of both temperature and pressureB.an instrument that measures the climatological effects of temperatureC.a line connecting points of equal barometric pressure on a weather mapD.a line connecting points of equal temperature on a weather map
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
Write an essay based on the chart below.In your writing,you should（1）interpret the chart,and（2）give your comments.You should write about 150 words neatly on the ANSWER SHEET.（15 points）
考题
单选题Deviation is caused by（）.A
changes in the earth's magnetic fieldB
nearby magnetic land masses or mineral depositsC
magnetic influence inherent to that particular vesselD
the magnetic lines of force not coinciding with the lines of longitude
考题
单选题Isogonic lines are lines on a chart indicating （）.A
points of equal variationB
points of zero variationC
the magnetic latitudeD
magnetic dip
考题
单选题The square knot is used for（）.A
forming temporary eyes in linesB
joining two lines of equal sizeC
keeping line from unlaying or frayingD
joining two lines of different size
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 rolling hitch could be used to（）．A
join two lines of different sizesB
join two lines of equal sizesC
add strength to a weak spot in a lineD
act as a stopper to transfer a line under strain
考题
单选题Which magnetic compass corrector（s）CANNOT be set on a heading of magnetic east or magnetic west（）.A
Heeling magnetB
Flinders barC
Fore-and-aft magnetsD
All of the above can be set on magnetic east or magnetic west headings
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Which information is found in the chart title（）.A
A rhumb line appears as a straight lineB
Distance is measured at the midlatitude of the track lineC
Meridians appear as curved lines converging toward the nearer poleD
Parallels，except the equator，appear as curved lines
考题
单选题Lines drawn through points on the Earth having the same atmospheric pressure are known as （）.A
IsothermalB
MillibarsC
IsobarsD
Seismics
考题
单选题What is an advantage of the magnetic compass aboard vessels?（）A
Compass error is negligible at or near the earth's magnetic polesB
It does not have to be checked as oftenC
It is reliable due to it's essential simplicityD
All points on the compass rose are readily visible
考题
单选题What is the basic principle of the magnetic compass（）.A
Magnetic materials of the same polarity repel each other and those of opposite polarity attractB
The Earth's magnetic lines of force are parallel to the surface of the EarthC
Magnetic meridians connect points of equal magnetic variationD
The compass needle（s）will，when properly compensated，lie parallel to the isogonic lines of the Earth
考题
单选题The line which connects the points of zero magnetic dip is（）.A
An agonic lineB
The magnetic equatorC
A magnetic meridianD
All of the above
考题
单选题The points on the earth’s surface where the magnetic dip is 90° are（）.A
Along the magnetic equatorB
Connected by the isoclinal lineC
The isoporsD
The magnetic poles
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Magnetic information on a chart may be （）.A
found in the center(s) of the compass rose(s)B
indicated by isogonic linesC
found in a note on the chartD
All of the above
热门标签
最新试卷