单项选择题

When should you conduct a visual inspection of your towline? （）

A.Whenever its serviceability is in doubt
B.In accordance with the manufacturer's recommendation
C.At least once a month
D.All of the above

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单项选择题

When inspecting a tank barge to see that it has all the required fire extinguishers and other safety items aboard，which of the following is the best source for determining what is required? （）

A.The supervisor in charge of the dock to which the barge is tied up
B.Part 38 of the Rules and Regulations for Tank Vessels
C.The Certificate of Inspection of the barge
D.The local fire marshal

单项选择题

When backing down with sternway，the pivot point of a vessel is（）.

A.about one-quarter of the vessel's length from the stern
B.at the bow
C.about one-third of the vessel's length from the bow
D.aft of the propellers

单项选择题

What will NOT be found on the Certificate of Inspection of an ocean going tanker?（）

A.Manning requirements
B.Minimum freeboard permitted
C.Grade(s) of cargoes that the vessel may carry
D.Waters upon which the vessel may be operated