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A vessel’s position should be plotted using bearings of ______.
A.buoys close at hand
B.fixed known objects on shore
C.buoys at a distance
D.All of above
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更多 “ A vessel’s position should be plotted using bearings of ______.A.buoys close at handB.fixed known objects on shoreC.buoys at a distanceD.All of above ” 相关考题
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A marker pole，with a horseshoe buoy and a sea anchor attached，should be used to ______.A.mark the position of a lost mooringB.determine your vessel's sideslip underwayC.determine your speed through the waterD.indicate location of a man overboard
考题
Which step should be taken，if possible，when the vessel must be abandoned because of a distress situation ________．A.Alert the Coast Guard by using the survival craft's portable INMARSAT unitB.Program the SART and EPIRB to transmit the vessel's location and situationC.Place the SART and EPIRB in the“ON”position and secure them to the survival craftD.No additional steps are needed as the SART and EPIRB will both automatically float free and operate properly
考题
A look-out should report objects sighted using ______．A.True bearingsB.Magnetic bearingsC.Gyro bearingsD.Relative bearings
考题
______is the process by which the position of the vessel at any moment is found by applying the last well-determined position to the run that has been made since, using for this purpose the ship’s course and the distance being those indicated by log.A.dead reckoningB.dead weightC.dead slow aheadD.dead slow astern
考题
A dead reckoning (DR) plot ______.A.must utilize magnetic coursesB.must take set and drift into accountC.should be replotted hourlyD.should be started each time the vessel’s position is fixed
考题
A vessel brought alongside should be fended off the towing vessel by ______.A.crew members using their armsB.crew members using the strong muscles of their legsC.fendersD.No fending is necessary due to the rugged construction of most towing vessels
考题
单选题You are on watch and the pilot has just anchored the vessel.The next thing that you should do after the anchor has been let go is to（）.A
Stop the enginesB
Escort the pilot to the accommodation ladderC
Plot the vessel's position on the chartD
Make a round of the weather decks
考题
单选题How should you try to right a capsized small sailing vessel?（）A
Position all personnel at the stern and rock the vessel uprightB
Position all personnel around the mast and lift the vessel uprightC
Lock the centerboard in the down position，stand on the centerboard，and pull on a shroud or a halyardD
Put the centerboard in the up position and have all personnel haul in on the line attached to the mast
考题
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
考题
单选题A vessel brought alongside should be fended off the towing vessel by（）.A
crew members using their armsB
crew members using the strong muscles of their legsC
fendersD
No fending is necessary due to the rugged construction of most towing vessels
考题
单选题Your vessel has anchored in a channel known to have strong tidal currents. To check your position you take a round of bearings，one of which is a range in line. One hour later the bearing on the lights in range opens up. This indicates the ship is（）.A
swingingB
dredging her anchorC
taking bearings of the lightsD
taking distances of the lights
考题
单选题Magnetic variation changes with a change in（）.A
the vessel's headingB
sea conditionsC
seasonsD
the vessel's position
考题
单选题Aboard a vessel, dividing the sum of the vertical moment by the total weight yields the vessel’s（）.A
vertical momentB
transverse position of the center of gravityC
inclining momentD
righting moment
考题
单选题A vessel sighting a northern right whale dead ahead should（）.A
maintain course and speedB
alter course to give a wide clearanceC
report the whale's position to the Canadian Coast GuardD
All of the above
考题
单选题A dead reckoning (DR) plot（）.A
ignores the effect of surface currentsB
is most useful when in sight of landC
must be plotted using magnetic coursesD
may be started at an assumed position
考题
单选题A position obtained by applying ONLY your vessel’s course and speed to a known position is a （）.A
fixB
dead-reckoning positionC
running fixD
probable position
考题
单选题When using horizontal sextant angles of three objects to fix your position，an indeterminate position will result in which situation（）.A
The objects lie in a straight lineB
The vessel is inside of a triangle formed by the objectsC
The vessel is outside of a triangle formed by the objectsD
A circle will pass through your position and the three objects
考题
单选题A look-out should report objects sighted using（）.A
true bearingsB
magnetic bearingsC
gyro bearingsD
relative bearings
考题
单选题During the watch at sea （） should be logged or recorded in the engine log book.A
the running hours of the cooling water pumpB
chief engineer’s orderC
the main parameters of main and auxiliary equipmentD
the position of the vessel
考题
单选题A marker pole，with a horseshoe buoy and a sea anchor attached，should be used to（）.A
mark the position of a lost mooringB
determine your vessel's sideslip underwayC
determine your speed through the waterD
indicate location of a man overboard
考题
单选题A position obtained by applying only your vessel’s course and speed to a known position is a （）.A
dead-reckoning positionB
fixC
probable positionD
running fix
考题
单选题If an airplane circles a vessel 3 times，crosses the vessel’s course close ahead while rocking the wings，and heads off in a certain direction，what does this indicate（）.A
The plane is in distress and will have to ditchB
The plane is going to drop a package and wishes the vessel to recover itC
Someone is in distress in that direction and the vessel should follow and assistD
There is danger ahead and the best course is indicated by the direction of the aircraft
考题
单选题When the vessel shafting are installed, the slightly inclined of the shaft line should be rectified by（）A
adjusting the position of the intermediate bearingB
changing the position of the main engine installationC
adjusting the center line of the propellerD
changing the position of the thrust block
考题
单选题A vessel’s position should be plotted using bearings of（）.A
buoys close at handB
fixed known objects on shoreC
buoys at a distanceD
All of the above
考题
单选题（）is the process by which the position of the vessel at any moment is found by applying the last well-determined position to the run that has been made since，using for this purpose the ship’s course and the distance being those indicated by log.A
dead reckoningB
dead weightC
dead slow aheadD
dead slow astern
考题
单选题You determine your vessel’s position by taking a range and bearing to a buoy.Your position will be plotted as a（n）（）.A
Running fixB
FixC
Dead-reckoning positionD
Estimated position
考题
单选题Which step should be taken，if possible，when the vessel must be abandoned because of a distress situation（）.A
Alert the Coast Guard by using the survival craft's portable INMARSAT unitB
Program the SART and EPIRB to transmit the vessel's location and situationC
Place the SART and EPIRB in the“ON”position and secure them to the survival craftD
No additional steps are needed as the SART and EPIRB will both automatically float free and operate properly
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