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地文航海题库
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【单选题】
[1/63]This is（）where we shall anchor.
A.
the light-house
B.
the anchorage
C.
the pilot station
D.
the light-buoy
参考答案：
B
参考解析：
无
【单选题】
[2/63]When a buoy marks a channel bifurcation，the preferred channel is NOT indicated by（）.
A.
the shape of an unlighted buoy
C.
the color of the topmost band
D.
whether the number is odd or eve
参考答案：
D
参考解析：
无
【单选题】
[3/63]What describes a flood current（）.
A.
Horizontal movement of the water toward the land after high tide
B.
Horizontal movement of the water toward the land after low tide
C.
Horizontal movement of the water away from the land following high tide
D.
Horizontal movement of the water away from the land following low tide
参考答案：
B
参考解析：
无
【单选题】
[4/63]Traffic separation schemes adopted by the IMO are listed in（）.
A.
NM
B.
Ship's Routing
C.
lreg
D.
Sola
参考答案：
B
参考解析：
无
【单选题】
[5/63]Lighted white and orange buoys must show which color light?（）
A.
Orange
B.
White
C.
Red
D.
Alternating yellow and white
参考答案：
B
参考解析：
无
【单选题】
[6/63]What is a lighted safe water mark fitted with to aid in its identification（）.
A.
spherical topmark
B.
Red and white retroreflective material
C.
A sequential number
D.
A red and white octago
参考答案：
A
参考解析：
无
【单选题】
[7/63]A position that is obtained by applying estimated current and wind to your vessel’s course and speed...
A.
dead reckoning position
B.
estimated position
C.
fix
D.
None of the above
参考答案：
B
参考解析：
无
【单选题】
[8/63]What is an ebb current（）.
A.
current at minimum flow
B.
A current coming in
C.
A current going out
D.
A current at maximum flow
参考答案：
C
参考解析：
无
【单选题】
[9/63]When approaching a preferred-channel buoy，the best channel is NOT indicated by the（）.
A.
light characteristic
B.
color of the uppermost band
C.
shape of an unlighted buoy
D.
color of the light
参考答案：
A
参考解析：
无
【单选题】
[10/63]A position obtained by crossing lines of position taken at different times and advanced to a common ...
A.
running fix
B.
dead-reckoning position
C.
fix
D.
estimated positio
参考答案：
A
参考解析：
无