A、A.natural aspiration
B、B.masked intake valves
C、C.air cells
D、D.scavenging air
更多“Exhaust gases are generally removed from the cylinders of a two-stroke/cycle diesel engine by（）”相关的问题
A、increasing the linear velocity of the exhaust gases B、changing directions of exhaust gas flow C、decreasing the temperature of the exhaust gases D、accelerating the exhaust gas through a reduced size orifice
A、A.exhaust manifold B、B.valve bridge C、C.pressure of the fresh air charge D、D.valve adjusting gear
A、provide exhaust back pressure B、prevent exhaust smoke emissions C、power a reciprocating supercharger D、muffle exhaust gas noise
A、(1) only is correct B、(2) only is correct C、both (1) and (2) are correct D、Neither (1) or (2) are correct
A、radiated through the engine block B、transferred to water cooled cylinder walls C、conducted through the piston crown D、transferred to escaping exhaust gases
A、conducted through the engine block B、conducted to water cooled cylinder walls C、conducted through the piston crown D、loss to escaping exhaust gases
A、the beveled edges of the intake valves provide for serf-centering during seating B、intake valves utilize stellite-coated valve seat inserts which reduce wear C、the volume of air passing through intake valves is less than the volume of air passing through exhaust valves D、intake valves are less affected to the corrosive action of exhaust gases
A、cooling water leaving each cylinder B、fuel oil entering the injector C、exhaust gases at various locations D、lube oil at the bearing supplies
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