A.are made of bronze, brass, or soft alloy metals
B.should be painted rad in order to identify hose lengths
C.are specially hardended to prevent crushing
D.should be greased frequently
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A.Conduction of heat to adjacent surfaces
B.Direct radiation
C.Convection
D.All of the above
A.removed
B.altered
C.corrected
D.converted
A.the paint locker
B.spaces open to the atmospere
C.cargo holds
D.the engine room
A.shutting off the air supply
B.cooling the fule to below ignition temperature
C.dispersing the fuel
D.removing the source of ignition
A.solid materials such as wood or bales of fiber
B.inflammable liquids
C.electrical equipment
D.metallic solids
最新試題
The loading of the ship must be done in accordance with().
In the Northern hemisphere northerly winds may cause temperature().
The dew point temperature is().
()is the act of allocating space to containers on board of a container ship in the order of the discharge ports.
()is halfway between the forward and after perpendiculars and is reference point for vessel construction.
When steering by autopilot,how often should the steering be checked?()
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().
How long are you prohibited to consume alcohol prior to serving as a member of a watch?()
The mean draft of a ship is the draft().
The helm command PORT TWENTY means().