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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How do you account for the existence of both complete and incomplete combustion? Explain.
Question No. 12: Methane CH4 is burned with stoichiometric amount of air during a combustion process. Assuming complete combustion, determine the air-fuel and fuel-air ratios.
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?
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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- All the parts of internal combustion and their various functions?arrow_forwardTwo moles of octane are burned with stoichiometric amount of air. How much water is formed in the products if the combustion is complete?arrow_forwardQuestion No.15: Ethane C2H6 is burned with 20% excess air during a combustion process. Assuming complete combustion and a total pressure of 100 kpa, determine air-fuel ratio, dew point temperature of the product.arrow_forward
- Incomplete combustion is permitted because a significant amount of heat is still generated. true of 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_forwardWrite the general energy balance for any combustion process. Is my answer correct?arrow_forward
- What is the pressure ratio in an ideal dual combustion if the pressures at the beginning and end of the constant volume portion of combustion are 2,910.57 kPa and 4,400.43 kPa respectively.arrow_forwardWhat are the important operational performance parameters in design of fuel firing equipment?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
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