Draw an approximate flammability triangle diagram for methyl alcohol. Use published flammability data from Appendix B and Table 6-3. If a gas containing 20\% methyl alcohol, \(5 \%\) oxygen, and \(75 \%\) nitrogen is mixed with air, will it become flammable?

Table 6-3:

Data From Appendix B:

Transcribed Image Text:

Gas or vapor Methane Ethane Propane n-Butane Isobutane n-Pentane Isopentane n-Hexane n-Heptane Ethylene Propylene 1-Butene 12 11.9 11.5 10 11.5 11.6 12 10.4 3-Methyl-1-butene 11.5 11.4 Isobutylene Butadiene Benzene Toluene Styrene Ethylbenzene Vinyltoluene Diethylbenzene Cyclopropane Gasoline (70/100) N/Air CO/Air Gas or vapor Kerosene (100/130) (115/145) 12.1 11 11.4 12.1 12 12.1 9.5 9.0 9.0 9.0 8.5 11.7 222 12 12 12 14.6 13.4 14.3 14.8 14.8 14.4 14.5 14.5 14.5 11.7 14 14 15 13.1 14 13.9 13.9 15 15 14.5 JP-1 fuel JP-3 fuel JP-4 fuel Natural gas n-Butyl chloride Methylene chloride Ethylene dichloride Methyl chloroform Trichloroethylene Acetone i-butanol Carbon disulfide Carbon monoxide Ethanol 2-Ethyl butanol Ethyl ether Hydrogen Hydrogen sulfide Methanol Methyl acetate N/Air 10 (150C) 10.5 (150C) 124 11.5 12 14 12 (100C) 19 (30C) 17 (100C) 13 11.5 (100C) 14 9 (100C) 11.5 5 5.5 10.5 9.3 (150C) 10.5 5 7.5 10 11 COp/Air 13 (150C) 14 (150C) 14.5 14.5 14.4 14 16.5 7.5 5.5 13 13 5.2 11.5 12 13.5