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
您可能感興趣的試卷
你可能感興趣的試題
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
Which of the following shall not the officers in charge of the navigational watch do?()
Before any loading takes place any signs of the previous cargo should do().
What is it called when it is possible to ignite the vapour above the oil?()
Shipboard Emergency Drills must be carried out at least()on board cargo ship.
()is the act of allocating space to containers on board of a container ship in the order of the discharge ports.
The loading of the ship must be done in accordance with().
Fog is likely to occur when there is little difference between the dew point and the().
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().
Which wind results from a land mass cooling more quickly at night than an adjacent water area?()
The circulation around a low pressure center in the Northern Hemisphere is().