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
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（）
Diesel engine air start system check valves are opened by （）
Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?（）
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.
To shut down a diesel engine after it exceeds the set maximum speed，which type of device listed should be used?（）
A purge recovery system is used in a centrifugal air conditioning or refrigeration system to （）
（）connectors hold best if a wire is accidentally pulled or a connection becomes loose.
Which of the listed governor characteristics will greatly affect the load sharing relationship between paralleled diesel generators?（）
As soon as a diesel engine has started, which of the listed engine operating parameters should be checked FIRST?（）
Flame failure in an automatically fired auxiliary boiler can from a/an （）