A.tachometer
B.torsion meter
C.dynamometer
D.pony brake
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A.pilot valve opening
B.compensating needle valve
C.compensating spring tension
D.accumulator spring tension
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
最新試題
The ability of the governor to prevent fluctuations in engine speed is termed （）.
In a simple mechanical governor, the （）.
White smoke exhausting from an operating diesel engine may indicate （）.
Diesel engine control can be obtained by the bridge （）.
Proper filtering and straining of fuel oil is important because the （）.
The minimum speed an engine must attain before ignition can occur depends upon （）.
Which of the two events listed occurs simultaneously in a two-stroke/cycle diesel engine?（）
Engine protection by means of an alarm or shutdown control can be obtained with devices that are sensitive to （）.
Lube oil filters remove contaminants more efficiently if the oil being filtered is （）.
Electrically operated safety devices on auxiliary diesel engines function to stop the engine by （）.