A.so as to never be integral lube
B.with a sloped bottom
C.only of nonferrous, noncorrosive metals
D.with drain/return lines terminating just above or at the designed normal level
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A.is an indication of the amount of noncombustible material present in the oil
B.indicates the quantity of energy released by burning a unit amount of the fuel
C.is useful for determining proper atomization temperatures
D.reflects the overall thermal efficiency of the fuel oil service system
A.point of opening
B.speed of opening
C.lift from its seat
D.all of the above
A.Steel brush
B.Fine emery cloth or steel wool
C.A section of the removed compression ring
D.A case hardened scraper
A.improper adjustments
B.contaminated fuel
C.coated fuel lines
D.excessive vibration
A.during low loads
B.after proper oil viscosity is reached
C.during starting
D.after cleaning filters
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（）connectors hold best if a wire is accidentally pulled or a connection becomes loose.
Cold weather starting of a diesel engine may be made easier by（）
（）are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.
Under MARPOL Code the ship to which it applies has to carry （）
The treatment of the fuel oils involves storage, heating, filtering and（）
As soon as a diesel engine has started, which of the listed engine operating parameters should be checked FIRST?（）
The ISPS Code consists of a mandatory section-Part A, which shows（）
One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is（）
Which one is NOT the ‘clear grounds’ for a more detailed inspection?（）
Engine parameters shall be corresponded to NOx Technical Files. This is required by （）