A.react with insufficient speed droop
B.fail to react to small speed changes
C.have excessive sensitivity to small speed changes
D.remain in the neutral position
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A.provide a means of draining the boiler
B.warn the engineer of low water level
C.cool the crown sheet at high firing rates
D.open the burners electrical firing circuits
A.the beveled edges of the intake valves provide for serf-centering during seating
B.intake valves utilize stellite-coated valve seat inserts which reduce wear
C.the volume of air passing through intake valves is less than the volume of air passing through exhaust valves
D.intake valves are less affected to the corrosive action of exhaust gases
A.Drain the accumulated moisture
B.Test the relief valves
C.Watch the temperature to prevent fluctuations in pressure
D.Clean the interior to remove oil and foreign matter
A.worn main bearing journals
B.torsional stress deformation
C.slack thrust bearings
D.bearing shells shim dimensions
A.contaminated with sludge
B.contaminated with carbon
C.diluted with fuel oil
D.diluted with water
最新試題
The ability of the governor to prevent fluctuations in engine speed is termed （）.
When fuel oil has seriously contaminated a diesel engine lubricating oil, you should （）.
Engine protection by means of an alarm or shutdown control can be obtained with devices that are sensitive to （）.
Proper filtering and straining of fuel oil is important because the （）.
Control of the main propulsion diesel engines can be shifted from the engine room to the wheelhouse from the （）.
Electrically operated safety devices on auxiliary diesel engines function to stop the engine by （）.
Routine monitoring of a diesel engine should include （）.
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?（）
White smoke exhausting from an operating diesel engine may indicate （）.
In a simple mechanical governor, the （）.