A.Life jackets
B.Survival at Sea manual
C.lifeboat
D.torch
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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
A.paint thinner in an open can
B.fuel accumulation in the bilge
C.oily rags in an unvented compartment
D.gasoline stored in steel drums
最新試題
Which one is NOT the ‘clear grounds’ for a more detailed inspection?（）
One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is（）
For a given exhaust gas boiler, what is the quantity of its evaporation mainly determined?（）
The main purpose of port State control is not to（）
During the diesel engine running, the water level of F.W expansion tank should normally kept in the （） level of glass tube.
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.
The Port State Control officer may witness a fire drill carried out by the crew assigned to these duties on the（）
Flame failure in an automatically fired auxiliary boiler can from a/an （）
The condensers located in various stages of a flash evaporator are cooled by（）
Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?（）