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
The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated（）
If separating effect is not good, which measure should be taken （）
（） is not installed on the main switchboar.
Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?（）
The additional mark （）in the Classification Certificate for Machinery means propulsion apparatus is remotely controlled on the navigating bridge control station, and engine assembly control station is unmanned periodically.
Using a file without a handle may result in （）
The shipboard oil pollution emergency plan will be invalid after （）
（）connectors hold best if a wire is accidentally pulled or a connection becomes loose.
The treatment of the fuel oils involves storage, heating, filtering and（）
（）are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.