1. There are 20 kg of flue gases formed per kg of fuel oil burned in the combustion of a fuel oil C12H26-What is the excess air in percent?2. A gaseous fuel mixture has a molal analysis:H₂ = 14%CH4 = 3%CO = 27%0₂ = 0.6%CO₂=4.5%N₂ = 50.9%Determine the theoretical air-fuel ratio for complete combustion on molal basis.3. The following is an analysis of coal in percent:C = 74%0₂ = 8%S = 1%H₂ = 6%N₂ = 1.6%Ash = 9.4%If burned in a boiler, the coal produces the following Orsat analysis in percent:CO₂ = 12%CO = 0.1%0₂= 6.5%4. A fuel oil is burned with 50% excess air. What is the volume rate of flow in m³/min of the wet productsat a pressure of 102 kPa and a temperature of 350°C when the fuel is burned at the rate of 45 kg/min?Assume that the combustion requirements of the fuel oil are similar to those of C12H26.5. A test run using this coal showed a dry products of combustion analysis by volume of nitrogen equals82.5%, molecular weight of 30 kg flue gas per mol dry flue gas, and the weight of this dry flue gas is15.03 kg per kg of coal. The actual ash-pit sample was 0.15 kg per kg of coal, of which 20% was carbon.What is the percentage excess air supplied to the fuel combustion in percent?

As per the Bartleby Answering guidelines we are supposed to answer first question only. Please…

Answered: There are 20 kg of flue gases formed…

There are 20 kg of flue gases formed per kg of fuel oil burned in the combustion of a fuel oil C12H26- What is the excess air in percent?

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

See similar textbooks

Similar questions

Hydrogen (H2) with a flow rate of 0.02 kg/s into a continuous flow combustion chamber, standard reference enters the conditions. Complete Combustion is carried out with 10% more air. The air intake conditions are also the standard reference state. In case of complete combustion, combustion The end products leave the combustion chamber at a temperature of 400 K and a pressure of 100 kPa. With ideal gas acceptance, the amount of heat transferred from the combustion chamber to the environment and the combustion Calculate the thermal power (kW) of the room.
Given the Volumetric Analysis of a Natural Gas: CH4 = 80.10% Nitrogen = 7.40% C2H6 = 10.70% CO2 = 1.80% Calculate: A/F ratio considering incomplete combustion where CO = 10% CO2PLSS SOLVE IT
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
The following gravimetric analysis on an ash and moisture free basis of a kilogram of Fuel oil are the following: C=87%; H=12%; N=2%, S=2%; and O=6%. The yields on the burning of the same fuel are in the following Orsat Analysis: C02=11%; CO=2%; 02=4.5%; and N2=82.5%. 1) Calculate the mass of dry flue gas in kilogram.2) Determine the mass of the ideal air in kilogram of air. 3) Determine the percent of excess air.
A gaseous fuel was reported to have the following volumetric analysis: CH 84.1 % CH 6.7 % co2 0.8 % N2 8.4 % Estimate the kg products of combustion per kg of fuel if 12 % excess air was used O 16.486 ku products of combustion kg fuel O 17.07 kg products of combustion kg fuet 17.3 kg products of combustion kg fuet o 17.53 products of combustion kg fuel
1. What is the percent theoretical air for a combustion process to which the fuel and combustion of gas analysis are known as follows: Fuel: % by volume co2 = 12.4% co = 27% H2 = 2.2% N2 = 58.4% Combustion Gas: % by volume: CO2 = 24.6% O2 = 1.0% N2 = 74.4%
A gaseous fuel mixture has a molal analysis:H2 = 14% CH4 = 3% CO = 27%O2 = 0.6% CO2 = 4.5% N2 = 50.9%Determine the theoretical air-fuel ratio for complete combustion on molal analysis.
Not yet answered Question 1 Marked out of 1.00 A sample of coal fuel has the following ultimate analysis, percent by mass: H2 = 5.6% ; C = 53.4% ; S = 0.1% ; N2 = 0.1% ; 02 = 37.9% and Ash = 2.9%. This coal will be used as a fuel by burning it with no excess air in a furnace. Determine the HHV of the fuel in KJ/kg
A sample of fuel has the following percentage analysis by weight. Carbon 82%, Hydrogen 5% Oxygen m=48, the remainder being inert material. Estimate the HCV and LCV of this fuel. The following heating may be used, Carbon - 32400 kJ/kg, free Hydrogen m = 137600 kJ/kg. Assuming that each kg of steam produced during combustion absorbs 2332 kJ
A gaseous fuel was reported to have the following volumetric analysis: CH. 84.1 % C,H. - 6.7 % CO- 0,8 % 8.4 % Find the Lower Heating Value of the fuel, in kg fuel kj O LHV = 46,043 kg air O LHV = 48,043- kg air k] O LHV = 50,043- kg air O LHV = 52,043 kg air 1 Next 25°C Light rail 6. 4. 2.
QUESTION 7 (Fuels and Combustion) (a) The volumetric analysis of the flue gases from a boiler consists of CO2 = 10.9%, co = 1%, O2 = 7.1% and N2 = 81.0%. Determine the mass of the flue gas per kg of burnt fuel. (b) The mass analysis of a flue gas is: CO2 = 21.6%, CO = 2.2%, O2 = 1.7% and N2 = 74.5%. Determine the mass of the flue gas per kg of burnt fuel.
4.1 fuel-rich air-fuel the exhaust gives the following 14.957; Cullg = 0.75% 0% H₂ = 0% 0₂ = 0%, with the rest being N₂. Write the balance chemical equation for one mole of this fuel at these conditions. CO = 1 Calculate : CHHS is burned in an engine with a ratio. Dry analysis of volume percents CO₂ : a- Air-fuel ratio. b. Equivalence ratio.