Question 216Navigation General
70% to passIn illustration D044NG below, what type of buoy is indicated by the letter D?
A
nun
B
pillar
C
can
D
spar
AI Explanation
The correct answer is A) nun. The letter "D" in illustration D044NG indicates a nun buoy, which is a conical-shaped buoy that marks the port (left) side of a navigable channel when entering from the sea. Nun buoys have an even number and are painted red. The other answer choices are incorrect because: B) pillar buoys are cylindrical in shape, C) can buoys are cylindrical and mark the starboard (right) side of a channel, and D) spar buoys are vertical pole-like buoys used to mark isolated dangers or obstructions.
Related Questions
Q@q.QuestionNumber:When a current flows in the opposite direction to the waves, the wave __________...
Q@q.QuestionNumber:You are enroute to Jacksonville, FL, from San Juan, P.R. There is a fresh N'ly w...
Q@q.QuestionNumber:The maritime radio system consisting of a series of coast stations transmitting ...
Q@q.QuestionNumber:Charts showing the coast of Mexico are produced by the United States ___________...
Q@q.QuestionNumber:The greatest directive force is exerted on the magnetic compass when the _______...
Ready to test your knowledge?
Take a Navigation General Practice ExamOfficial Resources
Want to practice with timed exams?
Download Coast Guard Exams for the full exam experience.
Get the App