Open-faced diamond
Diamond with a cross
Circle
Square
第1题:
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
第2题:
A buoy marking a wreck will show a(an) ______.
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
第3题:
A. Orange/white, orange, green/white, blue, blue/white, green, brown/white, brown
B. Blue, blue/white, orange/white, orange, brown/white, brown, green/white, green
C. Green/white, green, orange/white, blue, blue/white, orange, brown/white, brown
D. Orange/white, orange, brown/white, brown, green/white, green, blue, blue/white
第4题:
be black and white horizontally striped
be black and white vertically striped
have a red top mark
be any of the above
第5题:
Which of the following is the correct pin out for T568B?()
第6题:
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
第7题:
Which of the following is the correct arrangement of the data pairs in a T568B wire pattern?()
第8题:
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
第9题:
lettered
spherical
showing a white light
All of the above
第10题:
left-side buoy
right-side buoy
a buoy of safety
a buoy of danger