A.increase the governor oil pressure
B.adjust the speed droop setting
C.adjust the speeder spring travel
D.adjust the compensating needle valve
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A.four-stroke
B.two-stroke
C.slow speed
D.reversible
A.defrosting
B.de-oiling
C.demulsifying
D.dehumidifying
A.overlap
B.crush
C.lap or lead
D.protrusion
A.spraying directly on the base of the fire
B.flowing the foam down a vertical surface
C.sweeping the fire before you with the foam
D.spraying directly on the surface of the fire
A.to increase
B.to speed up
C.to prevent
D.to reduce
最新試題
（）connectors hold best if a wire is accidentally pulled or a connection becomes loose.
If separating effect is not good, which measure should be taken （）
One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is（）
Thermostatic steam pressure reducing valves are used in the fuel oil service system to control the（）
Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?（）
During the diesel engine running, the water level of F.W expansion tank should normally kept in the （） level of glass tube.
As soon as a diesel engine has started, which of the listed engine operating parameters should be checked FIRST?（）
Cold weather starting of a diesel engine may be made easier by（）
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
（） is not installed on the main switchboar.