更多"A buoy，being a shape of cylinder an"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]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]用户User1是一本地的用户帐户，它是组Grou1和组Grou2的成员。在某NTFS分区的文件夹Folder1下有一文件File1。将其NTFS许可设置为下面场景：File1： Everyone 读取权限；Grou1 允许写入；Grou2 允许修改则User1对文件的NTFS访问许可为（）
A. 无访问权限
B. 允许改变
C. 允许修改
D. 完全控制
[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]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
[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]I tried very hard to persuade him to join our group but I met with a flat（）
A. accept
B. agree
C. refusal
D. decline
[单项选择]A breeches buoy is being rigged from the shore to a stranded vessel. The initial shot line passed to the vessel is normally made fast to a（）.
A. hawser which is used to pass a tail-block and whip to the vessel
B. hawser with breeches buoy and harness attached
C. hawser which should be made fast to the vessel below the intended location of the tail-block
D. tail-block and whip which may be used to pass a hawser to the vessel
