A.intake valves
B.carburetor
C.exhaust ports
D.injector nozzles
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A.clearance
B.crush
C.pitch
D.thrust
A.bottom blow the boiler
B.treat the water with caustic soda
C.treat the water with chemical scavengers
D.reduce the water alkalinity to recommended readings
A.reduce gas flow turbulence
B.prevent exhaust gas corrosion
C.increase the rate of combustion
D.increase the rate of heat transfer
A.reduce air charge turbulence
B.induce air swirl
C.deflect hot combustion gas away from the valves
D.oppose the effects of piston induced squish
A.fuel oil vapor at the sludge tank vent
B.unburned fuel vapors in the scavenge air receiver
C.lube oil vapors in the crank case
D.lube oil vapors in the engine room
最新試題
A diesel engine is operating with excessively high exhaust temperatures at all cylindersTo correct this condition, you should FIRST （）.
When would the available energy of the exhaust gases of a two-stroke/cycle diesel engine be insufficient to drive an exhaust gas turbocharger, resulting in the incorrect amount of air for combustion?（）
Combustion knock occurring in a diesel engine can be caused by （）.
A diesel engine piston ring face is in direct contact with the （）.
A thrust bearing is used with a propulsion diesel engine to （）.
In a simple mechanical governor, the （）.
The most important factor in engine performance is the actual power output at the end of the crankshaft available for doing workThis is known as （）.
The main purpose of the piston oil scraper rings is to （）.
In using reduction gears to obtain efficient propeller speeds, （）.
In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.