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Sagot :
A gas can auto ignite when exposed to a temperature higher than its
autoignition temperature
Temperature ranges gives the maximum exposed surface temperature
allowable of a device that is to be used in a hazardous, atmosphere
To enable end users determine the suitability of a product for a particular
usage, an equipment is put through test in order to classify them according
to temperature of exposed (to the atmosphere) unprotected surface
Whereby the atmosphere is explosive, there is a temperature at which the
it can spontaneously ignite known as the autoignition temperature,
therefore, it is important to use only equipment that belong to a temperature classification that is less than the auto ignition temperature of the location
The temperature classification can be presented as follows;
[tex]\begin{array}{|c|c|}Class&Surface \ Temperature \ ^{\circ }C\\T1&<450\\T2&<300\\T3&<200\\T4&<135 \\T5&<100\\T6&<85\end{array}[/tex]
The maximum allowable surface temperature of operation of a device
intended for use in an hazardous atmosphere is defined by the
temperature classification, which is also known as the T class
With knowledge of the gases present in the atmosphere, and the
autoignition temperature, accidents can be prevented
Learn more about operating temperature classification here:
https://brainly.com/question/18199083
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