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A radar range to a small，charted object such as a light will provide a line of position in which form?
A.Straight line
B.Arc
C.Parabola
D.Hyperbola
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更多 “ A radar range to a small，charted object such as a light will provide a line of position in which form?A.Straight lineB.ArcC.ParabolaD.Hyperbola ” 相关考题
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单选题The common way to obtain your ship’s position is（）.A
keeping a close watch and lookoutB
taking a radar range and bearingC
observing a radar target and listening to signalsD
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单选题There is a possibility that small vessel，ice and other floating objects may not be（）by radar at an adequate range.A
reflectB
shownC
detectedD
defected
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单选题A line of position derived by radar range from an identified point on a coast will be a(n) （）.A
straight lineB
arcC
parabolaD
line parallel to the coast
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单选题What is the name of the movable，radial guide line used to measure direction on a radar?（）A
Compass roseB
CursorC
Plan position indicatorD
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单选题A navigator fixing a vessel’s position by radar （）.A
can use radar information from one object to fix the positionB
should never use radar bearingsC
should only use radar bearings when the range exceeds the distance to the horizonD
must use information from targets forward of the beam
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单选题Which signal is detected as originating from a SART?（）A
The Morse code distress series S-O-S repeated 3 times followed by DE and the vessel's call signB
A line of blip code on a radar screen outward from the SART's position along its line of bearingC
A line of blip code on a radar screen inward from the SART's position to its own ship along its line of bearingD
None of these
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If the light is flashing，the buoy should be considered to be in the charted locationC
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a line connecting two charted objectsB
a line on some point of which the vessel may be presumed to be locatedC
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单选题What is TRUE when operating in fog and other vessels are detected by radar?（）A
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You should maneuver in ample time if a close-quarters situation is developingC
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单选题The irregular black line around a charted light such as Race Rock Light indicates that it is （）.A
unwatchedB
surrounded by riprapC
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单选题What does a SART signal sound or look like?（）A
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单选题What provides little or no indication that a vessel is dragging anchor? （）A
Increasing radar range to a fixed object aheadB
Drift lead with the line leading perpendicular to the centerlineC
Vibrations felt by placing a hand on the cableD
Changing bearings to distant fixed objects abeam
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单选题If there is any doubt as to the proper operation of a radar，which statement is TRUE?（）.A
Only a radar expert can determine if the radar is operatingB
All radars have indicator lights and alarms to signal improper operationC
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单选题A piece of small stuff (small line) secured to an object to prevent it from going adrift is a（）.A
lanyardB
keeperC
nooseD
stopper
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单选题When using the radar for navigating（）.A
the best fix is obtained by using a tangent bearing and a rangeB
and using two radar ranges for a fix，the objects of the ranges should be close to reciprocal bearingsC
and using ranges，the most rapidly changing range should be measured lastD
and crossing a radar range of one object with the visual bearing of a second object，the two objects should be 80°to 110°apart
考题
单选题A radar range to a small，charted object such as a light will provide a line of position in which form? （）A
Straight lineB
ArcC
ParabolaD
Hyperbola
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