A.Once a day
B.At the change of every watch
C.Only when in fresh or brackish water
D.Prior to getting underway
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A.To cut off the power when the davits hit the track safety stops
B.To stop the davits from going too fast
C.To cut off the power when the davits are about 12 inches or more from the track safety stops
D.None of the above
A.The bow type shackle provides a superior connection
B.The D-type shackle is weaker than the bow type
C.The bow type shackle is weaker than the D-type
D.The D-type shackle provides an inferior connection
A.Condenses moisture
B.Provides overpressure protection
C.Purifies the air
D.Acts as an accumulator
A.Stem
B.Pin
C.Box
D.Stand
A.An oxygen indicator
B.A combustible gas indicator
C.A combination combustible gas and oxygen indicator
D.A flame safety lamp
最新試題
What is the purpose of the limit switch on gravity davits?（）
While you are on watch entering port，the Master gives the helmsman a rudder command which conflicts with a rudder command from the Pilot.You should make sure the helmsman（）.
Prior to each voyage the master of every ship shall ensure that the intended route from the port of departure to（）is planned using adequate and appropriate charts and other nautical publications necessary for the intended voyage.
You are on watch and the pilot has just anchored the vessel.The next thing that you should do after the anchor has been let go is to（）.
You are on watch and the Pilot has the conn.The Master has temporarily gone below.The Pilot orders a course change which you are certain will put the vessel into imminent danger.Your first action should be to（）.
You are a watch standing mate and have come to the bridge to relieve the watch while underway at sea.The watch should not be transferred（）.
Upon completion of fueling a gasoline driven vessel it is necessary to（）.
The officer in charge of the navigational watch shall not hand over the watch to the relieving officer if（）.
Orders of the Master to the officer of the watch which s/he must comply with are（）.
What is the best instrument for establishing a safe working area before welding in a confined space? （）