Question

flosh point and fire point

Answer 1

 flash point of a volatile material is the lowest temperature at which vapours of the material will ignite, when given an ignition source.

The flash point may sometimes be confused with the autoignition temperature, which is the temperature at which the vapor ignites spontaneously without an ignition source. The fire point is the lowest temperature at which vapors of the material will keep burning after being ignited and the ignition source removed. The fire point is higher than the flash point, because at the flash point more vapor may not be produced rapidly enough to sustain combustion. Neither flash point nor fire point depends directly on the ignition source temperature, but it may be understood that ignition source temperature will be considerably higher than either the flash or fire point.

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Answer 2

The fire point of a fuel is the lowest temperature at which the vapour of that fuel will continue to burn for at least 5seconds after ignition by an open flame. At the flash point, a lower temperature, a substance will ignite briefly, but vapour might not be produced at a rate to sustain fire