海船船员考试
单选题A special mark (yellow buoy)，if lighted，may exhibit which light rhythm?（）A FlashingB Morse AC Equal intervalD Occulting
题目
Flashing
Morse A
Equal interval
Occulting
参考答案和解析
相似问题和答案
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：
You are sailing south on the Intracoastal Waterway（ICW）when you sight a green can buoy with a yellow square painted on it．Which of the following is TRUE ________．
A.You should pass the buoy close aboard on either side
B.The buoy marks the end of the ICW in that area
C.You should leave the buoy to port
D.The yellow square is retroreflective material used to assist in sighting the buoy at night
第3题：
The characteristic of a lighted cardinal mark may be ______.
A.very quick flashing
B.flashing
C.fixed
D.occulting
第4题：
The Device Manager in Windows XP shows that an incompatible device driver is installed. Which of the following BEST describes the icon that is displaying next to that device?（）
- A、Yellow question mark next to device
- B、Black checkmark next to device
- C、Yellow exclamation point next to device
- D、Red X next to the device
正确答案:C
第5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
FL(2)白光灯和两黑球体顶标的浮标表示沉船。
第6题：
You are entering an east coast port and see a buoy with a yellow triangle painted on it．This indicates ______．
A.you are in the vicinity of the ICW
B.the buoy is a special mark
C.the buoy is off station
D.the buoy designates a sharp turn in the channel
第7题：
You are steaming in a westerly direction along the Gulf Coast．You see ahead of you a lighted buoy showing a red isophase light．Which action should you take ________．
A.Alter course to port and leave the buoy to starboard
B.Alter course to starboard and leave the buoy to port
C.Alter course and leave the buoy near by on either side
D.Alter course and pass the buoy well-off on either side
第8题：
The buoy symbol printed on your chart is leaning to the northeast. This indicates ______.
A.you should stay to the north or east of the buoy
B.you should stay to the west or south of the buoy
C.the buoy is a major lighted buoy
D.nothing special for navigational purposes
第9题：
Mark the joining shackles with （）paint.
- A、red/yellow
- B、yellow/black
- C、red/white
- D、yellow/red
正确答案:C
第10题：
an interrupted quick flashing buoy
Hog Island Lighted Bell Buoy
South Light Buoy
Sand Shoal Inlet Lighted Buoy A