A.no oxygen is needed
B.oxygen is necessary
C.oxygen is given off
D.no gas is produced
您可能感興趣的試卷
你可能感興趣的試題
A.in the presence of oxygen
B.without oxygen
C.in the presence of nutrition
D.without nutrition
A.the bacteria
B.oxygen
C.oxidizing function
D.agitation function
A.oxygenating
B.oxidizing
C.deoxygenating
D.proportioning
A.any requirement appointed by the Officer
B.the most suitable requirement
C.the most stringent requirement
D.no requirement
A.plastics
B.comminuted or ground papers, rags, glass, metal etc
C.food waste comminuted or ground
D.Incinerator ash
最新試題
The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated（）
A purge recovery system is used in a centrifugal air conditioning or refrigeration system to （）
If two A.C.generators are to be operated in parallel, the load is distributed evenly by（）
（）connectors hold best if a wire is accidentally pulled or a connection becomes loose.
To shut down a diesel engine after it exceeds the set maximum speed，which type of device listed should be used?（）
Which of the following items don’t belong to dock repair works?（）
As soon as a diesel engine has started, which of the listed engine operating parameters should be checked FIRST?（）
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（）
The treatment of the fuel oils involves storage, heating, filtering and（）