A.log the density of the waterB.secure all overboard di……

单项选择题Prior to burning or welding on a fuel tank on a ship，regulations require that an inspection be made. An entry in the unofficial logbook is required if this inspection is made by（）.

A.a marine chemist
B.the Officer in Charge，Marine Inspection
C.the Master or person in charge of the ship
D.the National Fire Protection Association

单项选择题Official proof of a Chinese vessel’s nationality is contained in the（）.

A.Certificate of Inspection
B.Official Log
C.Certificate of Documentation
D.Shipping Articles

单项选择题Never make comment，estimate or guess in your Logbook，but（）only.

A.the specifications
B.the facts
C.the descriptions
D.the details

单项选择题Logbooks are used to record the events occurring when（）.

A.the ship is in a harbor
B.the ship is at anchorage
C.the ship is underway
D.all of the above

单项选择题Lifeboat winches on a ship are required to be inspected and an entry made in the logbook. What should this entry include? （）

A.The time required to lower a lifeboat
B.The time required to raise a lifeboat
C.The date of inspection and condition of the winch
D.All of the above