A.Steel brush
B.Fine emery cloth or steel wool
C.A section of the removed compression ring
D.A case hardened scraper
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A.improper adjustments
B.contaminated fuel
C.coated fuel lines
D.excessive vibration
A.during low loads
B.after proper oil viscosity is reached
C.during starting
D.after cleaning filters
A.adjusts the idle speed control
B.drain and flushes the governor and replace the oil
C.adjusts the compensating needle valve
A.Proper timing
B.Accurate metering
C.Suitable injection rate
D.Suitable atomization rate
A.sluggish response
B.speed droop variations
C.isochronous governing
D.sensitivity increase
最新試題
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Flame failure in an automatically fired auxiliary boiler can from a/an （）
Which one is NOT the ‘clear grounds’ for a more detailed inspection?（）
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