A.deoxygenating
B.extended aeration
C.oxygenating
D.bubbling air
您可能感興趣的試卷
你可能感興趣的試題
A.waste oil
B.waste cloths
C.Oil rags
D.Waste food
A.should be stopped manually
B.keeps the combustion as usual
C.would be cut off by an interlock
D.would replace the waste oil burner and keep going on
A.the solid waste dump chute
B.an access door
C.the same way for waste oil burners
D.a changing opening
A.evaporation
B.condensation
C.liquefies
D.vaporization
A.Keep the plant running all time
B.Start another blower
C.Increase the ratio of circulated to fresh air
D.Reduce the seawater flow to the condenser
最新試題
Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?（）
（）connectors hold best if a wire is accidentally pulled or a connection becomes loose.
“Insufficiency of manning or insufficiency of certification of seafarers” is an identification of a（）
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 shipboard oil pollution emergency plan will be invalid after （）
（） is not installed on the main switchboar.
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.
As soon as a diesel engine has started, which of the listed engine operating parameters should be checked FIRST?（）
To proceed to the assistance of a ship in distress is（）