A、no spark or flame is required to ignite gas or vapor
B、a fuel begins to give off explosive vapors
C、a fuel if ignited will continue to burn
D、a 1% mixture of the fuel with air will explode
更多“The (auto)ignition temperature is that temperature atwhich（）.”相关的问题
A、can not be ignited by a spark unless the vapor is in a confined space B、are nontoxic in all concentrations C、can not be ignited by a spark unless they are at their auto-ignition temperature D、are heavier than air
A、auto-ignition point B、flash point C、lower explosive limit (LEL) D、threshold limit value (TLV)
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
A、A.flashing point B、B.combustion point C、C.auto-ignition point D、D.lower explosive limit
A、Ash content, carbon residue, and gravity B、Viscosity, acidity, and demulsibility C、Pour point, flash, point, and precipitation number D、Auto-ignition point, viscosity index, and film strength
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
A、the heat compressed fuel/air mixture in the cylinder B、the fuel igniter C、the fuel injector D、the fuel pump
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