A.Low viscosity index
B.Low carbon forming tendencies
C.High film strength
D.High non-corrosive qualities
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A.a high viscosity index
B.a low viscosity index
C.neutralize acids
D.resist oxidation at high temperatures
A.resist changes in viscosity with changes in temperature
B.resist emulsification
C.neutralize acids
D.resist oxidation at high temperatures
A.high TBN value
B.low oil floc point
C.low oil demulsibility
D.low oil neutralization number
A.air filtration is inadequate
B.engine coolant leaking into the lube oil
C.fuel oil is leaking into the lube oil
D.the piston rings are excessively worn
When fuel oil is accidentally missed with lube oil which of the following processes can be used to separate them?（）
Ⅰ.filtering
Ⅱ.settling
A.Ⅰ only
B.Ⅱ only
C.either Ⅰ or Ⅱ
D.neither Ⅰ or Ⅱ
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The Port State Control officer may witness a fire drill carried out by the crew assigned to these duties on the（）
Cold weather starting of a diesel engine may be made easier by（）
The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated（）
（） is not installed on the main switchboar.
To proceed to the assistance of a ship in distress is（）
（）connectors hold best if a wire is accidentally pulled or a connection becomes loose.
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 （）
Under MARPOL Code the ship to which it applies has to carry （）
Engine parameters shall be corresponded to NOx Technical Files. This is required by （）