A.Magnesium
B.Paper
C.Wood
D.Diesel Oil
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A.Fresh water may be obtained from fish
B.lifeboat covers or canopies should be washed with rain before drinking water is collected
C.Fresh water may be collected from condensation inside the life-raft
D.Freshwater cannot be produced from standing seawater
A.class A
B.class B
C.class C
D.class D
A.Class "A"
B.Class "B"
C.Class "C"
D.Class "D"
A.Chain reaction
B.Thermal action
C.Chemical occlusion
D.Pyrotechnical reaction
A.starting the fire pumps
B.checking firemans outfits and other personnel rescue equipment
C.checking relevant communications equipment
D.All of the above
最新試題
（）connectors hold best if a wire is accidentally pulled or a connection becomes loose.
（） is not installed on the main switchboar.
（）are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.
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.
“Insufficiency of manning or insufficiency of certification of seafarers” is an identification of a（）
Using a file without a handle may result in （）
By comparing the exhaust gas temperature of each cylinder, the operator can determine if the load is balanced throughout the engine. The device most commonly used is a（）
Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?（）
The condensers located in various stages of a flash evaporator are cooled by（）