A.carbonization of oils from the combustion chambers
B.emulsions of lube oil and water
C.coagulation of unburned fuel below the piston rings
D.all of the above
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A.low lube oil temperature
B.low starting air temperature
C.air in the fuel injection
D.water in the starting air system
A.To test the starting system
B.To remove air bubbles from the jacket water
C.To ensure that the lube oil system delivers pressure
D.To ensure foreign material (water etc) is not present in the cylinders
A.gear drive by the engine
B.driven by an exhaust gas turbine
C.driven by a camshaft
D.driven by separate motor
A.fuel line connections to cylinder injection valves
B.gasket surfaces of the fuel oil filters
C.discharge fitting of the fuel injector pumps
D.suction side of the fuel oil tran
A.increasing the quantity of starting air
B.increasing the lube oil pressure
C.heating the engine fuel supply
D.heating the engine jacket water
最新試題
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