A.In crews accommodation spaces
B.On the navigating bridge
C.In the engine room
D.All of the above
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A.remove oxygen from the area
B.smother fire with foam
C.smother fire with CO2
D.cool fuel below ignition temperature
A.low-velocity fog
B.high-velocity fog
C.a straight stream of water
D.foam spray
A.can not be ignited by a spark unless the vapor is in a confined space
B.are nontoxic in all concentrations
C.can not be ignited by a spark unless they are at their auto-ignition temperature
D.are heavier than air
A.fuel
B.oxygen
C.heat
D.electricity
A.odorless
B.explosive
C.nontoxic
D.visible
最新試題
Which one is NOT the ‘clear grounds’ for a more detailed inspection?（）
The shipboard oil pollution emergency plan will be invalid after （）
A purge recovery system is used in a centrifugal air conditioning or refrigeration system to （）
The additional mark （）in the Classification Certificate for Machinery means propulsion apparatus is remotely controlled on the navigating bridge control station, and engine assembly control station is unmanned periodically.
For a given exhaust gas boiler, what is the quantity of its evaporation mainly determined?（）
（） is not installed on the main switchboar.
Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?（）
Using a file without a handle may result in （）
The cetane rating of diesel fuel is an indication of the （）
Flame failure in an automatically fired auxiliary boiler can from a/an （）