______refers to the angle between true north and the heading line of the vessel．A.True positionB.True meridianC.True courseD.True bearing
______refers to the angle between true north and the heading line of the vessel．
A.True position
B.True meridian
C.True course
D.True bearing
相关考题：
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 horizonB.index errorC.parallaxD.terrestrial refraction
What is the major advantage of a rhumb line track?A.The vessel can steam on a constant heading (disregarding wind，current，etc)B.The rhumb line is the shortest distance between the arrival and departure pointsC.It is easily plotted on a gnomonic chart for comparison with a great circle courseD.It approximates a great circle on east-west courses in high latitudes
The dangerous semicircle of a hurricane in the Northern Hemisphere is that area of the storm ______.A.to the right of the storm's trackB.measured from true north clockwise to 180°TC.measured from true north counterclockwise to 180°TD.between the ship's heading and the bearing to the eye
The fluke angle of an anchor system is the angle between the ______.A.flukes and the shankB.shank and the sea bottomC.mooring line and the sea bottomD.flukes and the shackle
Which statement is TRUE concerning equatorial tides ________．A.They occur when the Sun is at minimum declination north or southB.They occur when the Moon is at maximum declination north or southC.The difference in height between consecutive high or low tides is at a minimumD.They are used as the basis for the vulgar establishment of the port
Compass error is equal to the ______.A.deviation minus variationB.variation plus compass courseC.combined variation and deviationD.difference between true and magnetic heading
Deviation is the angle between the ______.A.true meridian and the axis of the compass cardB.true meridian and the magnetic meridianC.magnetic meridian and the axis of the compass cardD.axis of the compass card and the degaussing meridian
Magnetic dip is a measurement of the angle between the ______.A.geographic pole and the magnetic poleB.lubber’s line and true northC.horizontal and the magnetic line of forceD.compass heading and the magnetic heading
( )is the dividing line between the South and North of America. A.The Hudson River B.The Potomac River C.The Ohio River D.The Missouri River
单选题The difference between magnetic heading and compass heading is called（）.AvariationBdeviationCcompass errorDdrift
单选题The fluke angle of an anchor system is the angle between the（）.Aflukes and the shankBshank and the sea bottomCmooring line and the sea bottomDflukes and the shackle
单选题True heading differs from magnetic heading by（）.AdeviationBvariationCcompass errorDnortherly error
单选题The dangerous semicircle of a hurricane in the Northern Hemisphere is that area of the storm （）.Ato the right of the storm's trackBmeasured from true north clockwise to 180°TCmeasured from true north counterclockwise to 180°TDbetween the ship's heading and the bearing to the eye
单选题The horizontal angle between the magnetic meridian and the north-south line of the magnetic compass is（）.AdeviationBvariationCcompass errorDdip
单选题The height of eye correction is smaller than geometrical dip because of （）.Athe angle between the horizontal and the line of sight to the visible horizonBindex errorCparallaxDterrestrial refraction
单选题The standard magnetic compass heading differs from the true heading by（）.Acompass errorBlatitudeCvariationDdeviation
单选题Opposition occurs when（）.Athe Sun，Earth，and Moon are at right anglesBthe Sun's declination is 0°and is moving southCan inferior planet is at the maximum angle to the line of sight to the SunDthe Earth is between a planet and the Sun
单选题The lubber’s line of a magnetic compass（）.Aalways shows true north directionBindicates the vessel's headingCis always parallel to the vessel's transomDis located on the compass card
单选题If the situation arose where it became necessary to tow a disabled vessel，which statement is TRUE concerning the towing line?（）.AThe towing line between the two vessels should be clear of the waterBThe towing line should be taut at all times between the vesselsCThere should be a catenary so the line dips into the waterDNone of the above
单选题Magnetic dip is a measurement of the angle between the（）.Ageographic pole and the magnetic poleBlubber's line and true northChorizontal and the magnetic line of forceDcompass heading and the magnetic heading
单选题Variation is the angular measurement between（）.Acompass north and magnetic northBcompass north and true northCmagnetic meridian and the geographic meridianDyour vessel's heading and the magnetic meridian
单选题Superior conjunction occurs when（）.Athe Sun is at maximum declination north or southBa planet crosses the external plane of the eclipticCthe Sun is between the Earth and a planetDtwo planets are in line
单选题（）refers to the angle between true North and heading line of the vessel.ATrue positionBTrue meridianCTrue courseDTrue bearing
单选题Which is the winter load waterline on the load waterline mark?（）.AThe line over the summer load waterlineBThe line above the tropical load waterlineCThe line below the tropical load waterlineDThe line between the summer and the winter north Atlantic load waterline
单选题To center a compass bowl in its binnacle，you should have the ship on an even keel，heading north or south，and adjust the screws until（）.Athe compass heading is in line with the lubber's lineBthere is no lost motion in the gimbal ringsCno change of heading by compass is observed if you raise and lower the heeling magnetDthe gimbal rings do not strike the compass frame when they are tilted
单选题The vertical angle between the horizontal and the magnetic line of force is the（）.AelevationBmagnetic angleCvertical angleDdip
单选题Compass error is equal to the（）.Adeviation minus variationBvariation plus compass courseCcombined variation and deviationDdifference between true and magnetic heading