A.pilot valve opening
B.compensating needle valve
C.compensating spring tension
D.accumulator spring tension
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A.Splash lubrication
B.Pressure lubrication
C.Sight feed lubricators
D.Mechanical lubricators
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
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
最新試題
What causes diesel fuel to be ignited in the cylinder of an operating diesel engine?()
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 ().
Maximum horsepower of a diesel engine is attained ().
The minimum speed an engine must attain before ignition can occur depends upon ().
A thrust bearing is used with a propulsion diesel engine to ().
Electrically operated safety devices on auxiliary diesel engines function to stop the engine by ().
When fuel oil has seriously contaminated a diesel engine lubricating oil, you should ().
The function of diesel engine piston compression rings is to ().
A diesel engine is operating with excessively high exhaust temperatures at all cylindersTo correct this condition, you should FIRST ().