A.Pneumatic brake
B.Electromagnetic brake
C.Hand brake
D.Motor controller
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A.relieves the officer of the watch
B.relieves the Master of his duties
C.is solely responsible for the safe navigation of the vessel
D.is a specialist hired for his or her local navigational knowledge
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.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
最新試題
You have orders to drop off a barge loaded with propylene oxide at a fleet.In doing so，you must ensure that（）.
If at any time the officer in charge of the navigational watch is to be relieved when a manoeuvre or other action to avoid any hazard is taking place,（）.
Upon completion of fueling a gasoline driven vessel it is necessary to（）.
If in any doubt as to the pilot’s actions or intentions，the officer in charge of the navigational watch shall（）.
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（）.
What is the purpose of the limit switch on gravity davits?（）
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（）.
While underway in thick fog you are on watch and hear the cry“man overboard”.Which type of maneuver should you make（）.
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（）.
Your ship must（）.