单选题Your vessel is not underway when（）.A Her anchor is draggingB Her anchor is used in dockingC She is dredging her anchorD Her anchor holds fast while she is swinging

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

A passenger vessel is underway. When may passengers visit the pilothouse?

A.Passengers are excluded from the pilothouse while underway

B.Passengers are permitted in the pilothouse during daylight hours only

C.Passengers are permitted to visit the pilothouse when authorized by the Master and officer of the watch

D.Passengers are permitted in the pilothouse when they are escorted by a ship's officer

When you notice oil on the water near your vessel while taking on fuel, you should FIRST ______.

A.stop loading

B.notify the senior deck officer

C.notify the terminal superintendent

D.determine whether your vessel is the source

After jacking down your liftboat you have an unexpected list．You find that the only cause of this list must be a flooded leg．Raising the flooded leg further would adversely affect the boats stability by ______．

A.Raising the KG and increasing the draft which may put you in an unsafe operating condition

B.Increasing GM and causing a fast roll

C.Increasing the righting arm on the high side

D.Causing the vessel to yaw when underway

As Chief Officer of a vessel underway，it comes to your attention that the vessel is，in some manner，unseaworthy. Under such circumstances the Master is required to take action upon receiving ______.

A.information of such condition from yourself

B.notification of such condition from yourself and the Second Officer

C.notification of such condition from yourself and any other member of the crew

D.notification of such condition from yourself or the Second Officer

A vessel is underway with a work stage rigged over the side. A seaman may work on the stage，but only when ______.

A.wearing a life jacket

B.wearing a safety harness secured to the stage

C.wearing both a life jacket and a safety harness secured to the stage

D.the vessel is not making way

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