A.5%
B.10%
C.25%
D.40%
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A.Fuel oil
B.Wood
C.Celluloid
D.Electrical insulation
A.removing the heat
B.removing the oxygen
C.removing the fuel
D.interrupting the chain reaction
A.diesel oil
B.magnesium
C.dunnage
D.electrical insulation
A.bedding
B.pipe insulation
C.paint
D.a generator
A.engine room bilges
B.main switchboard
C.paint locker
D.rag bin
最新試題
Diesel engine air start system check valves are opened by （）
If separating effect is not good, which measure should be taken （）
（） is not installed on the main switchboar.
To shut down a diesel engine after it exceeds the set maximum speed，which type of device listed should be used?（）
Under MARPOL Code the ship to which it applies has to carry （）
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.
Cold weather starting of a diesel engine may be made easier by（）
“Insufficiency of manning or insufficiency of certification of seafarers” is an identification of a（）
Flame failure in an automatically fired auxiliary boiler can from a/an （）
The cetane rating of diesel fuel is an indication of the （）