【单选题】
Which may ignite fuel vapors?（）
A、Static electricity
B、An open and running motor
C、Loose wiring
D、All of the above
查看正确答案A、Injection lag B、Lube oil dilution C、Pre-ignition D、Corrosion
搜题
更多“Which may ignite fuel vapors?（）”相关的问题
第2题
A、It is lower than the ignition temperature B、It is the temperature at which a substance will spontaneously ignite C、It is the temperature at which a substance, when ignited, will continue to bum D、It is the temperature at which the released vapors will fall within the explosive range
第3题
A、cylinder compression pressure may not be high enough B、cylinder compression temperature may be too high C、fuel oil injection pressure may not be high enough D、scavenge and purge process is incomplete
第4题
A、excessive purging before lighting off B、insufficient trail for ignition period C、a faulty transformer in the ignition circuit D、insufficient purging before lighting off
第5题
A、An increase in compression ratio will increase the ignition lag B、An increase in compression ratio will decrease the ignition lag C、A decrease in compression ratio will decrease the ignition lag D、A decrease in ignition lag will increase the compression ratio
第9题
A、compression must be low for effective spark ignition B、compression must be low for required horsepower and torque generation C、compression must be low to prevent pre-ignition D、compression must be low to have effective pre-ignition
