A.sweep introduction
B.sweep interest
C.sweep intention
D.sweep intensity
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A.all fishing vessels over 39 feet in length
B.sail-propelled fishing vessels
C.all fishing vessels of less than 200 GT
D.wooden hull fishing vessels with a poor radar echo
A.in dense fog
B.in boisterous weather
C.in the open sea
D.in rivers
A.incorrect image
B.distinctive image
C.pictorial image
D.pictographic image
A.with
B.to
C.for
D.of
A.should not be made
B.are not to be taken
C.should be taken
D.shall be made
最新試題
What will cause the ARPA to emit a visual alarm，audible alarm，or both?（）
Which condition indicates that your radar needs maintenance?（）
（）typically extends from close as 0.1 nautical miles out to 32 NM.
Your ARPA has two guard zones.What is the purpose of the inner guard zone（）.
Which ARPA data should you use in order to determine if a close quarters situation will develop with a target vessel? （）
When using the ARPA in heavy rain，which action should you take? （）
（）is not used in modern radar.
When you turn on the fast time constant (differentiator) control of a radar it will（）.
Your radar is set on a true motion display.Which of the following will NOT appear to move across the PPI scope（）.
Although manual plotting for CPA works well，the workload can become overwhelming when confronted with（）.