⑤TheThe combustion of methan gas with air leads to the following volumetric analysisduring a test: 9.7% co₂ 0.5% co; and 3% 02.Determin the moles of air usedPer mole of fuel in the test, and compare with the Same ratio for stoichiometricCombustion.

The balanced reaction for stoichiometric combustion of methane is:CH4+2O2→CO2+2H2O For complete…

Answered: ⑤The The combustion of methan gas with…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

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(B) A mixture of CH,s and air having a fuel air ratio of 0.05 by weight is burnt in a spark ignition engine at consteat-veleme without any heat loss. The pressure and temperature of charge at the end of compression when ignition starts are 10 bar and 285 °C respectively. Calculate the pressure and temperature at the end of combustion. Assume constant specific heats and no dissociation. Values of C C,His=0,356; O, 0155: N2 =0,176; HO =0.36; co-0.158 KJ/kg K and the lower heating value of fuel=10560 kJ/kg. lo 18°
Ql:- C4HS is burned in an engine with a fuel-rich air-fuel ratio. Dry analysis of the exhaust gives the following volume percents: COz 14.95%, C4HS 0.75%, CO 0%, Hz 0%, Oz 0%, with the rest being Nz. Higher heating value of this fuel is QHHV = 46.9 MJ/kg. Write the balanced chemical equation for one mole of this fuel at these conditions. Calculate: (a) Air-fuel ratio. (b) Equivalence ratio. (c) Lower heating value of the fuel. [MJ/kg] (d) The energy released when one kg of this fuel is burned in the engine with a combustion efficiency of 98%. [MJ]
9. An exhaust gas is analysed and is found to contain, by volume, 78% N,, 12% CO, and 10% O,9. What is the corresponding gravimetric analysis ? Calculate the mass of mixture per mole, and the density if the temperature is 550°C and the total pressure is 1 bar. [Ans. 72% N,, 17.3% CO,, 10.6% O, ; 30.28 kg/mole ; 0.442 kg/m³]
28. Each tank containing 8ft3 of Heptane and Hexane having a pressure and temperature of 78psia,1560F and 69psia, 1260F is being separated by a separation valve. All separation valves have beenopened at the same time. Determine the resulting temperature of the mixture. Assume specific heatratio for both compounds is the same. a. 142.67190F b. 141.54480F c. 142.55520F d. 142.14230F
Ethanol Fuel C2H6O is burned with atmospheric air in a stoichiometric ratio. The mole fraction of H2O in the products is: Select one: O a. 0.857 O b. 0.1843 O c. 0.5415 O d. 0.6124
6.1. Calculate the higher and lower heating values of octane, C3H18, by using the stoichiometric reaction in air at 298.16 K and 1 atm. + 25/2(O2(g) + 3.76N2) → 8CO2(e) + 9H2O + 25/2(3.76)N2. C3H18(g)
Given the ultimate/gravimetric analysis of coal as follows: C=81.95%, H2 = 4.63%, S=0.96%, N2=1.3%, O2=5.75%, Ash=6.09%, Moisture = 3.05% Using ash and moisture free analysis. Determine the; molecular weight of the fuel 45 mins left please help me
An analysis of the dry exhaust gas from an engine burning Benzole shows 15% Carbon Dioxide present by volume. The Benzole contains 90% C and 10% H₂ by mass. Assuming complete combustion, determine the air/fuel ratio used.
1. Determine the theoretical weight of air needed in kgair/kgfuel if the fuel used has 40.3°API. 2. A petrol has the following analysis: 85.5% carbon, 14.4% hydrogen, and 0.10% sulfur. Calculate the volume of air in m³ at 1.0 bar and 15°C required for perfect combustion of 1 kg of the fuel. 3. A typical industrial fuel oil, C16H32, is burned with 20% excess air. Calculate the actual weight of air in kgair/sec needed for 3.2 kg per sec of fuel. 4. A logging firm in Isabela operates a Diesel Electric plant to supply its electric energy requirements. During a 24-hour period, the plant consumed 350 gallons of fuel at 80 deg.F and produces 2700 kW-hrs. Industrial fuel used is 30°API and was purchased at P3.00 per liter at 60 deg.F. Determine the overall efficiency of the plant. 5. A diesel engine consumed 945 liters of fuel per day at 30°C. If the fuel was purchased at 15.5°C and 30°API at Php5.00/liter, determine the cost of fuel to operate the engine per day
A producer gas has the following volumetric analysis : 29% CO, 12% H2, 3% CH4, 4% CO2, 52% N2.Calculate the values of Cp, Cv, cp and cv for the mixture. The values of Cp for the constituents are asfollows : for CO Cp = 29.27 kJ/mole K ; for H2 Cp = 28.89 kJ/mole K ; for CH4 Cp = 35.8 kJ/mole K ; for CO2Cp = 37.22 kJ/mole K ; for N2 Cp = 29.14 kJ/mole K.
Q7-The combustion of methan gas with air leads to the following volumetric ana- lysis during atest: 9.7% CO2, 0.5% CO, and 3.0% 02. Determin the moles tom of air used per mole of fuel in the test, and Compare with the Same ratio for stoichiometric combustion. Answers 10.8, 9.52
Explain the following terms with suitable examples а. Enthalpy of reaction hR b. Enthalpy of combustion hC С. The enthalpy of formation hf

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⑤The The combustion of methan gas with air leads to the following volumetric analysis during a test: 9.7% co₂ 0.5% co; and 3% 02.Determin the moles of air used Per mole of fuel in the test, and compare with the Same ratio for stoichiometric Combustion.