You are in charge of a power-driven vessel navigating at nig

A towing vessel pushing a barge ahead and rigidly connected in a composite unit shall show the lights of ______．

A.A vessel towing by pushing ahead

B.A power-driven vessel，not towing

C.A barge being pushed ahead

D.Either answer A or answer B

If your radiotelephone fails while underway，______．

A.you must visually signal oncoming vessels

B.you must immediately tie up in the nearest port until the radiotelephone is repaired

C.you must anchor until the radiotelephone is repaired

D.the loss of the radiotelephone must be considered in navigating the vessel

A head on situation shall be deemed to exist at night when a power-driven vessel sees another power-driven vessel ahead and ______.

A.one sidelight and the masthead light are visible

B.the vessels will pass closer than half a mile

C.both vessels sound one prolonged blast

D.both sidelights and masthead light(s) are visible

A vessel engaged in fishing shall not impede the passage of______following a traffic lane．

(1)．A power-driven vessel

(2)．a sailing vessel

(3)．any vessel

(4)．a vessel of less than 20 metres in length

A.(1)

B.(1) & (2)

C.(3)

D.(4)

In which situation do the Rules require both vessels to change course ?______.

A.Two power-driven vessels meeting head-on

B.Two power-driven vessels crossing when it is apparent to the stand-on vessel that the give-way vessel is not taking appropriate action

C.Two sailing vessels crossing with the wind on the same side

D.All of the above

If you are the Master of a towing vessel whose only working radar no longer functions，what must you do?

A.Notify the Captain of the Port (COTP) if you cannot repair it within 96 hours

B.Notify the Officer in Charge of Marine Inspection (OCMI) if you cannot repair it within 48 hours

C.Moor the vessel until it is repaired

D.Anchor the vessel until it is repaired