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Defense plans may cause the operation of electronic aids to navigation to be suspended with ______.
A.no notice
B.one day's notice
C.a week's notice
D.thirty (30) days notice
参考答案
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white retroreflective materialD
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单选题No damage of any kind（）aids to navigation or navigation facilities.A
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identificationB
distinctionC
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channel junctionsB
bifurcationsC
fishing trapsD
wrecks or obstructions
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单选题Defense plans may cause the operation of electronic aids to navigation to be suspended with （）.A
no noticeB
one day's noticeC
a week's noticeD
thirty (30) days notice
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Sailing DirectionsB
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Aids to Navigation Manual
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单选题All of the following information concerning lighted aids to navigation may be read directly from the Light List EXCEPT the（）.A
locationB
height of light above waterC
luminous rangeD
light characteristics
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单选题The operation of which aids to navigation may be suspended during war or national emergency（）.A
Navigational satellitesB
LoranC
OmegaD
Any of the above
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单选题What is TRUE about hoisting operations?（）A
Personnel may work beneath suspended loads，as long as they are alert and wear hard hatsB
If a suspended load with no tag begins to spin，personnel should attempt to stop the spinning if the load is within reachC
If tag lines are used to control a suspended load，they should be secured to the deckD
Personnel not involved in the hoisting operation should be kept clear of the transfer area
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单选题______, the new electronic device they designed is now in regular operation.A
With the solved problemB
With this problem being solvedC
With the problem solvedD
With this problem to solve
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单选题The Master may have his/her license suspended or revoked for（）.A
carrying stowawaysB
sailing shorthandedC
being negligentD
All of the above
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单选题The four standard light colors used for lighted aids to navigation are red，green，white，and （）.A
purpleB
orangeC
blueD
yellow
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单选题A vessel restricted in her ability to maneuver when engaged in an operation for the maintenance of safety of navigation in a traffic separation scheme is（）complying with this rule to the extent necessary to carry out the operation.A
obligedB
to beC
exempted fromD
necessarily
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单选题The correction to be applied to a Loran-C reading when matching a sky wave to a ground wave may be found（）.A
on loran charts covering areas where sky waves are usedB
in the Radio Aids to Navigation，PUB 117C
in the Loran-C Correction TablesD
Sky waves cannot be matched to ground waves in LORAN-C to produce a usable reading
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单选题Which operation may cause the pressure in an inert tank to fall below the prescribed limits（）.A
LoadingB
DischargingC
Crude oil washingD
Steaming tanks
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单选题Mariners are FIRST warned of serious defects or important changes to aids to navigation by means of（）.A
marine broadcast Notice to MarinersB
Weekly Notices to MarinersC
corrected editions of chartsD
Light Lists
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