單項選擇題Which()need NOT be entered in the Official Logbook?

A.The testing of the internal combustion engine driven emergency generators at least once each month the vessel is navigated
B.The testing of storage batteries for emergency lighting and power systems once each 6 months the vessel is navigated
C.The actual draft when the vessel arrives in salt water after departing a port
D.The testing of the line-throwing appliance once every 3 months


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1.單項選擇題When oily ballast has been pumped overboard,an entry must be made in the().

A.Oil Record Book
B.Official Logbook
C.deck rough log
D.engine rough log

2.單項選擇題When oil is discharged overboard,an entry is required in the().

A.engine rough log
B.Oil Record Book
C.Official Logbook
D.deck rough log

3.單項選擇題When must the Master of a vessel log the position of load line marks in relation to the surface of the water in the Official Logbook?()

A.Once a day
B.At the change of every watch
C.Only when in fresh or brackish water
D.Prior to getting underway

4.單項選擇題When is the density of the water required to be logged in the logbook of a ship?()

A.Any time the vessel moves from water of one density into waters of a different density
B.Prior to getting underway when the vessel is floating in fresh or brackish water
C.Only when the vessel moves from fresh water into salt water
D.The density of the water is not required to be logged in the unofficial logbook

5.單項選擇題When are fore and aft draft readings required to be entered in the unofficial logbook of a ship? ()

A.Once a day
B.Once a week
C.Prior to getting underway
D.Only when entering waters of different density