A.maintain even distribution of bearing wear
B.maintain a constant oil temperature
C.maintain a pressurized film between moving surfaces
D.remove entrained water
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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
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
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Flame failure in an automatically fired auxiliary boiler can from a/an （）
During the diesel engine running, the water level of F.W expansion tank should normally kept in the （） level of glass tube.
Cold weather starting of a diesel engine may be made easier by（）
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The shipboard oil pollution emergency plan will be invalid after （）
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