A.changed
B.centrifuged
C.filtered
D.settled
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A.Pressure and temperature decrease
B.Pressure and temperature increase
C.Pressure decreases and temperature increases
D.Pressure increases and temperature decreases
A.excessive cylinder lubrication
B.a lugging engine
C.a leaking cylinder liner
D.overloading of one cylinder
A.method of supplying air
B.cooling system
C.method of igniting fuel
D.valve operating mechanism
A.obtain injection lag
B.help mix fuel and air
C.increase combustion pressure
D.utilize higher injection pressures
A.thermal efficiency
B.mechanical efficiency
C.brake thermal efficiency
D.volumetric efficiency
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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.
（）are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.
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（）
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Cold weather starting of a diesel engine may be made easier by（）
The Port State Control officer may witness a fire drill carried out by the crew assigned to these duties on the（）
During the diesel engine running, the water level of F.W expansion tank should normally kept in the （） level of glass tube.
Using a file without a handle may result in （）
Flame failure in an automatically fired auxiliary boiler can from a/an （）