A.lifejacket
B.SCBA
C.lifeboat
D.torch
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A.Life jackets
B.Survival at Sea manual
C.lifeboat
D.torch
A.will remove all the toxic fumes from the air
B.has the greatest cooling ability
C.will leave no harmful residue
D.completely removes combustible vapors from the air
A.soda acid
B.foam
C.CO2
D.sand
A.stopping the flow of gas
B.reducing the chemical chain reaction
C.increasing the oxygen supply
D.cooling below the autoignition point
A.burner valve
B.root valve
C.quick closing valve
D.oil return valve
最新試題
The treatment of the fuel oils involves storage, heating, filtering and（）
Which one is NOT the ‘clear grounds’ for a more detailed inspection?（）
The condensers located in various stages of a flash evaporator are cooled by（）
If separating effect is not good, which measure should be taken （）
The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated（）
Using a file without a handle may result in （）
“Insufficiency of manning or insufficiency of certification of seafarers” is an identification of a（）
Which of the following items don’t belong to dock repair works?（）
One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is（）
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.