A.Free of charge
B.Important
C.Required
D.Unnecessary
您可能感興趣的試卷
你可能感興趣的試題
A.identification
B.distinction
C.discrimination
D.clearly seeing
A.Chain stopper
B.Devil's claw
C.Hawse ratchet
D.Riding pawl
A.pilot ladder
B.rope ladder
C.rod ladder
D.accommodation ladder
A.on her beam
B.on her stern
C.on her bow
D.broad on the quarter
A.soft clay
B.hard mud
C.very soft mud
D.sand
最新試題
Which would you NOT use to report the amount of anchor chain out? Three shots().
If a ship has sternway,with accommodation block aft,she may settle with the wind().
When turning a ship in restricted space with a strong wind,it is normally best to().
Which safety check(s)should be made before letting go the anchor().
Conventional anchors are least likely to hold in a bottom consisting of().
Sometimes lights are()by fog,haze,dust,smoke,or precipitation which may be present at the light,or between the light and the observer,and which is possibly unknown by the observer.
When anchoring,good practice requires 5 to 7 fathoms of chain for each fathom of depth. In deep water you should use().
That()is not caused by shallow water.
You are making a sharp turn in a channel and using a buoy four points on the bow to gauge your rate of turn.If you observe the buoy moving aft relative to you,what should you do().
Your vessel is anchored in an open roadstead with three shots of chain out on the port anchor.The wind freshens considerably and the anchor begins to drag.Which action should you take FIRST().