Liquid petroleum gas (LPG) is used to fuel spark-ignition engines. A typical sample of the fuel consists of 70 percent by volume propane C3H8 5 percent by volume butane C4H10 25 percent by volume propene C3+6 The higher heating values of the fuels are propane, 50.38 MOkg: butane, 49.56 Mokg: propylene(propene). 48.95 Mokg a) work out the overall combustion reaction for stoichiometric combustion of 1 mole of LPG with air and stoichiometric F/A and A/F b) what are the higher and lower heating values for combustion of this fuel with excess air, per unit mass LPG? 1:57 pm

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Liquid petroleum gas (LPG) is used to
fuel spark-ignition engines. A typical
sample of the fuel consists of
70 percent by volume propane C3H8
5 percent by volume butane C4H10
25 percent by volume propene C3+6
The higher heating values of the fuels
are propane, 50.38 MOkg: butane, 49.56
Mokg: propylene(propene). 48.95 Mokg
a) work out the overall combustion
reaction for stoichiometric combustion
of 1 mole of LPG with air and
stoichiometric F/A and A/F
b) what are the higher and lower heating
values for combustion of this fuel with
excess air, per unit mass LPG?
1:57 pm
Transcribed Image Text:Liquid petroleum gas (LPG) is used to fuel spark-ignition engines. A typical sample of the fuel consists of 70 percent by volume propane C3H8 5 percent by volume butane C4H10 25 percent by volume propene C3+6 The higher heating values of the fuels are propane, 50.38 MOkg: butane, 49.56 Mokg: propylene(propene). 48.95 Mokg a) work out the overall combustion reaction for stoichiometric combustion of 1 mole of LPG with air and stoichiometric F/A and A/F b) what are the higher and lower heating values for combustion of this fuel with excess air, per unit mass LPG? 1:57 pm
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