更多"A yellow buoy may mark a(n)（）."的相关试题:
[单项选择]A yellow buoy may exhibit a(n)（）.
A. fixed red light
B. flashing light
C. white light
D. occulting light
[单项选择]A special mark (yellow buoy)，if lighted，may exhibit which light rhythm?（）
A. Flashing
B. Morse A
C. Equal interval
D. Occulting
[单项选择]A spherical buoy may be（）.
A. numbered
B. lettered
C. green
D. red
[单项选择]A preferred-channel buoy may be（）.
A. lettered
B. spherical
C. showing a white light
D. All of the above
[单项选择]A lighted preferred-channel buoy may show a（）.
A. fixed red light
B. Morse (A) white light
C. composite group-flashing light
D. yellow light
[单项选择]The characteristic of a lighted cardinal mark may be （）.
A. very quick flashing
B. flashing
C. fixed
D. occulting
[单项选择]A green buoy has a yellow triangle on it. This is a(n)（）.
A. information or regulatory buoy that has lateral significance
B. buoy that is off-station and is marked to warn mariners of its wrong position
C. dual purpose marking used where the ICW and other waterways coincide
D. buoy that was set in error and will be replaced with a red nun buoy
[单项选择]A survey (special purpose mark) buoy（）.
A. must be lighted
B. may have a flashing red light
C. may have a fixed white light
D. None of the above
[单项选择]An all-round flashing yellow light may be exhibited by a(n)（）.
A. vessel not under command
B. air cushion vessel in the nondisplacement mode
C. vessel towing a submerged object
D. vessel engaged in diving operations
[单项选择]A buoy marking a wreck will show a(n)（）.
A. white light FL (2) and a topmark of 2 black spheres
B. occulting green light and may be lettered
C. yellow light and will be numbered
D. continuous quick white light and may be numbered
[单项选择]How would you pass a red buoy in the maritime buoyage system“A” （）.
A. keep the buoy on the vessel's starboard side when approaching a port and on the vessel's port side when leaving
B. keep the buoy on the vessel's port side when approaching a port and on the vessel's starboard side when leaving
C. keep the buoy on the vessel's starboard side when approaching and leaving
D. keep the buoy on the vessel's port side when approaching and leaving
[单项选择]At 1810，a red buoy bears 010° relative. This buoy marks（）.
A. the side of York Spit Channel
B. the visibility limit of the red sector of Cape Henry Light
C. a submerged obstruction in York Spit Channel
D. the York River Entrance Channel
[单项选择]Keep clear（）the buoy.
A. to
B. on
C. of
D. for
[单项选择]A nun buoy will（）.
A. be green in color
B. have an even number
C. be left to port when entering from seaward
D. be cylindrical in shape
[单项选择]Which buoy will NOT display white retro reflective material（）.
A. Safe water mark
B. Isolated danger mark
C. Preferred channel mark
D. Daymark of no lateral significance
[单项选择]The Experimental Lighthouse-buoy has no navigational significance and may be removed at will.The above sentence means（）.
A. It's of no use for navigation and would be removed with notice
B. It's useful in navigation and may be removed without notice
C. It's helpless in navigation and may be removed without notice
D. It's helpful in navigation and may be removed without notice
