Flammability triangle diagram shows the control of flammability in mixtures of fuel, oxygen and an inert...
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Flammability triangle diagram shows the control of flammability in mixtures of fuel, oxygen and an inert gas, typically nitrogen. Mixtures of the three gasses are usually depicted in a triangular diagram, known as a ternary plot as shown in Figure 1. (b) Flammablity zone Upper limit in pure oxygen. Lower limit in pure oxygen 100 80 OXYGEN 00 20 40 LOC 20 D 100 Stoichiometric line 40 80 60 NITROGEN 00 METHANE 40 LFL OFL 20 Figure 1 (a) A balance equation of combustion reaction of methane (CH) can be presented as CH₂O, +z0₂ → mCO₂+x/2 H₂0. Calculate the stoichiometric line of methane using the formula 100 [z/(1+z)]. [10 Marks] [CO3, PO2, C4] [CO3, PO4, C4] Calculate the combustion reaction of propane (CH₂) using the similar equation and formula as shown in (a). [10 Marks] [CO3, PO2, C4] [CO3, PO4, C4] Flammability triangle diagram shows the control of flammability in mixtures of fuel, oxygen and an inert gas, typically nitrogen. Mixtures of the three gasses are usually depicted in a triangular diagram, known as a ternary plot as shown in Figure 1. (b) Flammablity zone Upper limit in pure oxygen. Lower limit in pure oxygen 100 80 OXYGEN 00 20 40 LOC 20 D 100 Stoichiometric line 40 80 60 NITROGEN 00 METHANE 40 LFL OFL 20 Figure 1 (a) A balance equation of combustion reaction of methane (CH) can be presented as CH₂O, +z0₂ → mCO₂+x/2 H₂0. Calculate the stoichiometric line of methane using the formula 100 [z/(1+z)]. [10 Marks] [CO3, PO2, C4] [CO3, PO4, C4] Calculate the combustion reaction of propane (CH₂) using the similar equation and formula as shown in (a). [10 Marks] [CO3, PO2, C4] [CO3, PO4, C4]
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