A.dead-reckoning position
B.fix B.estimated position
C.probable position
D.running fix
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A.walk the stern to starboard in reverse
B.walk the stern to port in reverse
C.run faster than a lefe-handed propeller
D.right itself if capsized
A.a heavy anchor with an extra long line used to anchor in deep water
B.a cone shaped bag used to slow down the wind drift effect
C.a padeye to which the sea painter is made fast
D.made of wood if it is an approved type
A.make underwater repairs to barges
B.determine if the air in a tank is safe for men
C.enter areas that may contain dangerous fumes or lack oxygen
D.resuacitate an unconscious person
A.a companion way
B.tween-decks
C.stairs
D.Any of the above are acceptable
A.grooved wheel in a block
B.line to hold a lifeboat next to the embarkation deck
C.partial load of grain
D.sesman's knife
最新試題
Which of the following is not an operation mode of AIS?（）
Which of the following is not a form of precipitation?（）
Despite the rising importance and great convenience of the gyrocompass,the magnetic compass still retain its importance because of its（）.
Fog is likely to occur when there is little difference between the dew point and the（）.
In the Northern hemisphere northerly winds may cause temperature（）.
The mean draft of a ship is the draft（）.
Manoeuvring information can not be obtained from（）.
When the wave period and the apparent rolling period are the same（）.
（）is halfway between the forward and after perpendiculars and is reference point for vessel construction.
The circulation around a low pressure center in the Northern Hemisphere is（）.