更多"A buoy having red and green horizon"的相关试题:
[单项选择]A buoy having red and green horizontal bands would have a light characteristic of（）.
A. interrupted quick flashing
B. composite group flashing
C. Morse (A)
D. quick flashing
[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]Under the IALA-A Buoyage System，a green spar buoy with a triangular topmark would indicate that the buoy（）.
A. should be left to port when heading out to sea
B. may be left close aboard on either side
C. is on the north side of a point of interest
D. is marking the preferred channel
[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]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 buoy，being a shape of cylinder and with red group flashing，shows that it is（）.
A. left-side buoy
B. right-side buoy
C. a buoy of safety
D. a buoy of danger
[单项选择]At sea，on what occasion would you display two red lights at night or two black balls during the day?（）.
A. When vessel is on fire
B. When vessel is not under command
C. When vessel is carrying the dangerous cargoes
D. When vessel is restricted in her ability to maneuver
[单项选择]When a mis-entry（）in the logbook, a red line would be drawn through that part.
A. has made
B. make
C. has been made
D. is making
[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]A spherical buoy may be（）.
A. numbered
B. lettered
C. green
D. red
[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
[单项选择]What best describes an anchor buoy?（）
A. A black ball that is hoisted when the ship anchors
B. A buoy attached to the anchor
C. A buoy attached to the scope of an anchor chain
D. A mark of the number of fathoms in an anchor chain
[单项选择]The major cause of anchor buoy pendant wire failures is（）.
A. corrosion
B. rough weather
C. defective sockets
D. mishandling
[单项选择]What indicates a dual purpose buoy? （）
A. Red buoy with a horizontal yellow band
B. Red and white vertically-striped buoy with a vertical yellow stripe
C. Red and white vertically-striped buoy with a red spherical topmark
D. Green buoy with a yellow square
[单项选择]A special purpose buoy shall be（）.
A. lighted with a white light
B. striped black and red
C. lighted with a red light
D. yellow
