A.the letters ICW after the aid's number or letter
B.yellow stripes，squares，or triangles marked on them
C.white retroreflective material
D.the light characteristic and color for lighted aids
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A.Bayou Sara
B.Baton Rouge
C.Head of Passes
D.Red River Landing
A.Thimble Shoal Main Channel or the South Auxiliary Channel
B.Any of the channels but keep to the right hand side
C.The South Auxiliary Channel
D.Thimble Shoal Main Channel
A.Any span is navigable
B.Northbank or Southbank
C.Southbank span only
D.Northbank span only
A.Right Descending Bank span
B.Left Descending Bank span
C.Center span
D.Water is equal under all spans
A.does not change
B.improves rapidly
C.improves only slightly
D.becomes poor
最新試題
An engine compartment gasoline fire requires which type of extinguisher?（）
An azimuth angle for a body is measured from the（）.
AMVER is a system which provides（）.
An example of a grade B product is（）.
An all-round flashing yellow light may be exhibited by a(n)（）.
All of the following are part of the fire triangle EXCEPT（）.
An authorized light to assist in the identification of submarines operating on the surface is a(n)（）.
An icebreaker may use the code letter “K” to remind ships of their obligation to listen continuously on their radio. This signal may be made by any of the following EXCEPT（）.
An icebreaker assisting a vessel through an ice field would display a visual signal consisting of the code letter “E” (Echo) to signify that “（）”.
All of the following information concerning lighted aids to navigation may be read directly from the Light List EXCEPT the（）.