A.one and one-half times the length of a dot
B.twice the length of a dot
C.three times the length of a dot
D.four times the length of a dot
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A.atmospheric noise and radiated power
B.the frequency band selected and time of day or night
C.interference and position of the moon
D.radiated power and nearness to shore
A.preferred-channel buoys
B.starboard- or port-side buoys
C.special marks
D.safe water buoys
A.You may enter fairway
B.You should enter fairway
C.ANSWER. It is permitted to enter fairway
D.You could enter fairway
A.I may enter fairway
B.I might enter fairway
C.INTENTION. I will enter fairway
D.I will probably enter fairway
A.as soon as practicable on leaving port
B.prior to departure
C.within 24 hours of departure
D.within 12 hours of departure
最新試題
Which of the following statements is TRUE regarding automatic identification systems (AIS)? （）
To reduce the amount of catenary you may（）.
Automatic identification systems (AIS) are required to（）.
The Vessel Bridge-to-Bridge Radiotelephone Act applies to which towboat?（）
Tell me（），please.
When should the emergency position-indicating radiobeacon be activated after abandoning a ship?（）
When communicating on the radiotelephone using plain English，what procedure word indicates the end of my transmission and that a response is necessary? （）
Free communication effect is in direct proportion to（）.
DO NOT，REPEAT，NOT OVER-TAKE means that you should（）.
By regulation，you MUST keep a record of the use of your radiotelephone for at least（）.