单选题If a man falls overboard from a rig under tow，you should FIRST（）.A notify the tugB deploy life bouysC launch a boatD sound the general alarm

A semisubmersible rig under tow should be ballasted down if ______.

A.motion begins to be excessive

B.water begins to break over the pontoons

C.period of roll exceeds 12 seconds

D.forward progress is halted by head wind

A survival craft being used to pick up a person who has fallen overboard from a ship should approach the person ______.

A.at a high rate of speed

B.under oars

C.against the wind

D.with the wind

One of your crew members falls overboard from the starboard sida.You should IMMEDIATELY ______.

A.position your vessel to windward and begin recovery

B.apply left rudder

C.throw the crew member a life preserver

D.begin backing your engines

You intend to tow a barge with one tug and expect continuous high winds from the north．To reduce the yaw of your tow，you should ______．

A.reduce the draft of the barge

B.shorten one leg of the bridle

C.place bulky deck loads as far aft as possible

D.trim the barge down by the bow

As per the standing orders，you should carry out all the following operations except ______ upon having received words that a person has fallen overboard.

A.call the Master immediately

B.stop the engines

C.sound the “Man Overboard” signal of 3 prolonged blasts on the whistle and 3 prolonged blasts on the general alarm

D.prepare，as many as possible，rescue facilities，including warm clothes

If a man falls overboard from a rig under tow，you should FIRST ______.

A.notify the tug

B.deploy life bouys

C.launch a boat

D.sound the general alarm

You are pushing a tow ahead，at high speed，near the right hand bank of a canal．The forces affecting your towboat and tow will tend to ______．

A.Push both the head of the tow and the stern of the towboat away from the right hand bank

B.Push the head of the tow away from，and pull the stern of the towboat into，the right hand bank

C.Pull both the head of the tow and the stern of the towboat into the right hand bank

D.Pull the head of the tow into，and push the stern of the towboat away from，the right hand bank

A mobile offshore drilling unit under tow is approaching a fog bank. When should fog signals be started?

A.When the towing vessel enters the fog

B.When the drilling rig enters the fog

C.When the towing vessel can no longer be seen from the rig

D.Immediately

You are on watch aboard a vessel heading NW，with the wind from dead ahead，in heavy seas．You notice a man fall overboard from the starboard bow．Which action would NOT be appropriate ________．

A.Hard right rudder

B.Throw a lifebuoy to the man，if possible

C.Send a man aloft

D.Get the port boat ready

If you hear more than six short blasts and one long blast of the whistle supplemented by the same signal on the general alarm, you should ______.

A.start the fire pump

B.go to your man overboard station

C.go to your lifeboat station

D.stand by for collision