A.gravity when the extinguisher is turned upside down
B.pressure from a small CO2 cartridge on the extinguisher
C.air pressure from the hand pump attached to the extinguisher
D.pressure from the reaction when water is mixed with the chemical
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A.generators
B.oil drums
C.the bridge
D.combustible metals
A.dead-reckoning position
B.fix B.estimated position
C.probable position
D.running fix
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
最新試題
When the wave period and the apparent rolling period are the same（）.
According to the relevant regulation, lifeboat should be powered by（）.
The dew point temperature is（）.
The ISM code is part of（）.
Full details of all lights and fog signals are shown on（）.
Bales close to the deckhead should be covered to prevent（）.
Your vessel is docking, but not yet alongside. Which line will be the most useful when maneuvering the vessel alongside the pier?（）.
Which wind results from a land mass cooling more quickly at night than an adjacent water area?（）
Manoeuvring information can not be obtained from（）.
The force resulting from the earth’s rotation that causes winds to deflect to the right in the Northern Hemisphere and to the left in the Southern Hemisphere is called（）.