A fuel-air mixture below the lower explosive limit is too().
A、rich to burn
B、lean to burn
C、cool to burn
D、dense to burn
A、rich to burn
B、lean to burn
C、cool to burn
D、dense to burn
A、rich to burn B、lean to burn C、cool to burn D、dense to burn
A、fuel-air ratio B、compression ratio C、fuel rack D、viscosity index
A、the heat compressed fuel/air mixture in the cylinder B、the fuel igniter C、the fuel injector D、the fuel pump
A、prevent engine overheating B、have proper air/gasoline fuel mixture ratio C、be liquid- and vapor-tight D、supply sufficient air to the intake manifold
A、A.prevent engine overheating B、B.have proper air/gasoline fuel mixture ratio C、C.be liquid- and vapor-tight D、D.supply sufficient air to the intake manifold
A、A.the burning of the fuel; medium shaft B、B.fuel spray; fresh air C、C.fuel; fuel spray D、D.the burning of the fuel; the burned gas mixture
A、a shortened ignition delay period B、a lean fuel/air mixture C、excess fuel in the combustion chamber D、rapid vaporization of injected fuel droplets
A、A.the vapor air mixture is too rich to burn B、B.an explosion may occur if a source of ignition is present C、C.the vapor air mixture is too lean to bum the upper explosive D、D.limit has been exceeded
A、A.a shortened ignition delay period B、B.a lean fuel/air mixture C、C.excess fuel in the combustion chamber D、D.rapid vaporization of injected fuel droplets