A.dissolved oxygen
B.chlorides
C.sludge
D.dissolved nitrogen
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A.boiler water level is low
B.feedwater is too hot
C.boiler steam demand is low
D.feedwater is too cold
A.intake valves
B.carburetor
C.exhaust ports
D.injector nozzles
A.clearance
B.crush
C.pitch
D.thrust
A.bottom blow the boiler
B.treat the water with caustic soda
C.treat the water with chemical scavengers
D.reduce the water alkalinity to recommended readings
A.reduce gas flow turbulence
B.prevent exhaust gas corrosion
C.increase the rate of combustion
D.increase the rate of heat transfer
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When fuel oil has seriously contaminated a diesel engine lubricating oil, you should （）.
The ability of the governor to prevent fluctuations in engine speed is termed （）.
If a diesel engine is difficult to start and operates with the engine temperatures lower than normal, you should suspect that the （）.
In a simple mechanical governor, the （）.
When would the available energy of the exhaust gases of a two-stroke/cycle diesel engine be insufficient to drive an exhaust gas turbocharger, resulting in the incorrect amount of air for combustion?（）
Diesel engine control can be obtained by the bridge （）.
Electrically operated safety devices on auxiliary diesel engines function to stop the engine by （）.
What causes diesel fuel to be ignited in the cylinder of an operating diesel engine?（）
An automated diesel engine should normally shut down due to （）
Control of the main propulsion diesel engines can be shifted from the engine room to the wheelhouse from the （）.