A.can always rely on a buoy to be on station
B.can always rely on a buoy to show proper light characteristics
C.should assume a wreck buoy is directly over the wreck
D.should never rely on a floating aid to maintain its exact position
您可能感興趣的試卷
你可能感興趣的試題
A.the intensity of the light
B.checking the period and characteristics against the Light List
C.the color，because the buoy will have only a red or a green light
D.Any of the above can be used to identify the light
A.a junction with the preferred channel to the left
B.a sharp turn in the channel to the right
C.the starboard side of the channel
D.a wreck to be left on the vessel's port side
A.are the same as their Light List number
B.are marked in 6 inch figures with retroreflective material
C.increase with the even numbers to starboard
D.decrease with the odd numbers to starboard
A.light characteristic
B.color of the uppermost band
C.shape of an unlighted buoy
D.color of the light
A.the shape of an unlighted buoy
B.the light color of a lighted buoy
C.the color of the topmost band
D.whether the number is odd or even
最新試題
A celestial body will cross the prime vertical circle when the latitude is numerically （）.
When approaching a preferred-channel buoy，the best channel is NOT indicated by the（）.
Which of the following are data layer categories to be displayed on ECDIS（）．
Which position includes the effects of wind and current（）.
When using horizontal sextant angles of three objects to fix your position，an indeterminate position will result in which situation（）.
When entering a channel from seaward，the numbers on buoys（）.
What area of the earth cannot be shown on a standard Mercator chart（）.
When using a buoy as an aid to navigation which of the following should be considered?（）
When latitude and longitude are used，these shall be expressed in（）（and decimals of a minute if necessary），north or south of the Equator and east or west of Greenwich.
What is a lighted safe water mark fitted with to aid in its identification（）.