A.point of opening
B.speed of opening
C.lift from its seat
D.all of the above
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A.Steel brush
B.Fine emery cloth or steel wool
C.A section of the removed compression ring
D.A case hardened scraper
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
最新試題
When does auxiliary burner of incinerator put into operation? （）Ⅰ. start incinerator when it is coldⅡ. the sludge for dealing with is littleⅢ. the sludge for dealing with is largeⅣ. the water and impurity in sludge are too muchⅤ. the temperature in incinerator is lowⅥ. dealing with little solid rubbish
Cold weather starting of a diesel engine may be made easier by（）
Flame failure in an automatically fired auxiliary boiler can from a/an （）
If separating effect is not good, which measure should be taken （）
By comparing the exhaust gas temperature of each cylinder, the operator can determine if the load is balanced throughout the engine. The device most commonly used is a（）
If two A.C.generators are to be operated in parallel, the load is distributed evenly by（）
During the diesel engine running, the water level of F.W expansion tank should normally kept in the （） level of glass tube.
The main purpose of port State control is not to（）
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.