A.additional
B.permanent
C.temporary
D.long
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A.detergent
B.de-oiling
C.defrosting
D.demulsifying
A.defrosting
B.de-oiling
C.demulsifying
D.dehumidifying
A.dispersant；detergent
B.detergent；dispersant
C.dispersant；dispersant
D.detergent；detergent
A.oxidation resistance
B.carbon-forming tendency
C.demulsibility
D.acidity
A.lower than
B.higher than
C.as same as
D.better than
最新試題
（）connectors hold best if a wire is accidentally pulled or a connection becomes loose.
Which one is NOT the ‘clear grounds’ for a more detailed inspection?（）
The condensers located in various stages of a flash evaporator are cooled by（）
A purge recovery system is used in a centrifugal air conditioning or refrigeration system to （）
（）are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.
The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated（）
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.
Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?（）
If separating effect is not good, which measure should be taken （）
The Port State Control officer may witness a fire drill carried out by the crew assigned to these duties on the（）