Engine_2014 : Engineering Safety - 1237/2355
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| The "flammable limits" of an atmosphere are the __________. |
| A) two temperatures between which an atmosphere will self- ignite |
| B) upper and lower percentage of vapor concentrations in an atmosphere which will burn if an ignition source is present |
| C) upper and lower pressures between which an atmosphere will not burn |
| D) two temperatures between which an atmosphere will burn if an ignition source is present |
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