单项选择题
Which of the following adjustments is always required whenever the diesel engine governor oil has been drained and renewed?()
A.speed droop
B.compensation
C.idle speed setting
D.load limit control
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相关考题
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单项选择题
Which of the following statements represents an advantage of an electromagnetic clutch?()
A.Large misalignments can be tolerated between the shaft and engine coupling
B.Slip is held to a minimum when reversing shaft rotation
C.Engine torsion vibrations to the driven shaft are eliminated
D.It aids in maintaining power factor -
单项选择题
Diesel engines driving alternators operating in parallel must maintain set frequency regardless of load changesThe governor characteristic used to accomplish this is known as ()
A.actuation
B.sensitivity
C.compensation
D.thrust shaft -
单项选择题
An individual injection pump is designed for variable beginning and constant ending of injectionFor diesel engines operating at constant speeds, the start of injection will()
A.advance as the load increases
B.retard as the load increase
C.remain unchanged regardless
D.always occur at top dead center
