Refrigeration and Air Conditioning Technology (MindTap Course List)
8th Edition
ISBN: 9781305578296
Author: John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher: Cengage Learning
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Textbook Question
Chapter 32, Problem 12RQ
When incomplete combustion occurs, what additional by-products of combustion are created?
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Chapter 32 Solutions
Refrigeration and Air Conditioning Technology (MindTap Course List)
Ch. 32 - How many grades of fuel oil are normally...Ch. 32 - What two elements make up fuel oil?Ch. 32 - The most common fuel oil used for residential and...Ch. 32 - As the temperature of an oil sample decreases, A....Ch. 32 - If oil is to be stored at temperatures lower than...Ch. 32 - Prob. 6RQCh. 32 - If it is expected that an oil-fired appliance will...Ch. 32 - How many pounds of oxygen are required to burn 1...Ch. 32 - Explain the concept of excess air when it is used...Ch. 32 - Before fuel oil can be burned, it must be A....
Ch. 32 - What products of combustion are produced with...Ch. 32 - When incomplete combustion occurs, what additional...Ch. 32 - The minimum nozzle pressure for residential and...Ch. 32 - Prob. 14RQCh. 32 - Describe the three functions of the oil burner...Ch. 32 - Describe three common spray patterns for an oil...Ch. 32 - The purpose of the electrodes of an oil burner is...Ch. 32 - Prob. 18RQCh. 32 - Prob. 19RQCh. 32 - List the advantages a solid-state igniter has over...Ch. 32 - Which of the following is the typical output...Ch. 32 - Prob. 22RQCh. 32 - Prob. 23RQCh. 32 - Prob. 24RQCh. 32 - Explain the difference between the hot contacts...Ch. 32 - The purpose of the cad cell in an oil burner...Ch. 32 - Explain why it is important to keep the cad cell...Ch. 32 - A one-pipe system may be used when the oil tank is...Ch. 32 - Prob. 29RQCh. 32 - Prob. 30RQCh. 32 - The oil flame must not hit the combustion chamber...Ch. 32 - Describe the purpose of the heat exchanger.Ch. 32 - When servicing an oil burner, a service technician...Ch. 32 - Describe the function of the flame-retention ring...
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- Differentiate complete combustion from incomplete combustion.arrow_forwardThis is a multi-part question. Once an answer is submitted, you will be unable to return to this part. Ethane (C2H6) is burned with 20 percent excess air during a combustion process. Assume complete combustion and a total pressure of 180 kPa. Use data from the tables. CH. Combustion CO, H,0 02, N, chamber Air X kPa 20% excess where X= 180 Determine the air-fuel ratio. (You must provide an answer before moving on to the next part.) The air-fuel ratio is kg air/kg fuel.arrow_forwardB// Hexane (C6H14) is burned with atmospheric air. The analysis of the products on a 'dry' basis is as follows: CO₂ = 10.00%, O₂ = 2.37%, CO = 0.53%. (i) Determine the combustion equation; (ii) Calculate the air-fuel ratio; (iii) Percent theoretical air.arrow_forward
- Acetylene (C2H2) is burned with the stoichiometric amount of air during a combustion process. Assume complete combustion. Part A Determine the air-fuel ratio on a mass basis. Part B Determine the air-fuel ratio on a mole basis. Part C What-if scenario: What would the air to fuel ratio on a mass basis be if propene (C3H6) was burned instead of acetylene?arrow_forwardEthane (C2H6) is burned completely with 25% excess air. Show the combustion reaction of fuel and air. Determine the actual air-fuel ratio in kgair/kgfuel.arrow_forwardThere is a well-insulated open combustion chamber that ethane (C2H6) goes into at 77°F and 1 atm. The theoretical amount of air also enters at 220°F and 1 atm. The combustion is complete. Determine: a) The temperature of the combustion products coming out (°F)arrow_forward
- For complete combustion of 1 kg of a typical coal 12 kg of air is required. Calorific value of coal is 4200 kCal/kg with ash content of 22%. What is the quantity (in kg) flue gas generated by burning 5 kg coal?arrow_forward9. Adiabatic Flame Temperature is achieved when (a) the combustion heat is the maximum (c) the combustion heat is the minimum (b) there is no loss in the heat to the surroundings (d) all products are at the same temperature has the most affinity to water to form sulfuric acid. (b) SO₂ (d) SO 10. Among all sulfur compounds, (a) SO3 (c) SO4² 11. When comparing the performance of SI engines, the (a) Indicated -efficiency is used as the measure. (b) Thermal (d) volumetric (c) mechanical 12. For a complete combustion, the reaction time should be longer than the physical time. (a) True (b) Falsearrow_forwardQuestion No.14: A certain natural gas has following volumetric analysis: 65 percent CH4, 8 percent H2, 18 percent N2, 3 percent O2, and 6 percent CO2. This gas is now burnt completely with the stoichiometric amount of dry air. What is the air-fuel ratio for this combustion process?arrow_forward
- The organic fuels methane and ethane has a volumetric analysis of 62% and 38%, respectively. If a complete combustion happens with 25% excess air, calculate for the theoretical total number of moles of water as a product of combustion.arrow_forwardHome work Q1) Propane gas (C3H8) is reacted with air in such a ratio that an analysis of the dry products of combustion gives CO2=11.5%, O2=2.7% and CO=0.7%. (a)Write the FINAL combustion equation (b)What is the percentage of excess air used?arrow_forwardWhat is the maximum amount of energy released when a 5 kg sample ofcoal from McDowell, West Virginia is burned? Also calculate the amount of energy released when 0.15 m3 of natural gas from Oklahoma is burned.arrow_forward
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