Automotive Technology: A Systems Approach (MindTap Course List)
6th Edition
ISBN: 9781133612315
Author: Jack Erjavec, Rob Thompson
Publisher: Cengage Learning
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Textbook Question
Chapter 30, Problem 7ASRQ
While discussing air-fuel ratios: Technician A says that a stoichiometric mixture is theoretically the best combination of fuel and air to provide for total combustion. Technician B says that a stoichiometric mixture always results in complete combustion. Who is correct?
a. Technician A
b. Technician B
c. Both A and B
d. Neither A nor B
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Chapter 30 Solutions
Automotive Technology: A Systems Approach (MindTap Course List)
Ch. 30 - Explain the major differences between port fuel...Ch. 30 - What is meant by sequential firing of fuel...Ch. 30 - Prob. 3RQCh. 30 - Explain how the computer controls the air-fuel...Ch. 30 - True or False? Diesel engines require higher fuel...Ch. 30 - Describe the purpose of a manifold absolute...Ch. 30 - Explain the basic operation of a CSFI system.Ch. 30 - True or False? In GDI systems, the PCM controls...Ch. 30 - When the throttle plates are closed in a port...Ch. 30 - If the injector pulse width is increased, the...
Ch. 30 - When the engine is idling, the pressure regulator...Ch. 30 - Why are special fuel injectors needed for GDI...Ch. 30 - How does a GDI system provide for a stratified...Ch. 30 - How does a piezoelectric injector work?Ch. 30 - Which of the following statements about fuel trim...Ch. 30 - While discussing EFI systems: Technician A says...Ch. 30 - While discussing electronic fuel injection...Ch. 30 - While discussing returnless fuel systems:...Ch. 30 - While discussing central port injection systems:...Ch. 30 - While discussing throttle-by-wire systems:...Ch. 30 - While discussing the compression ratios used with...Ch. 30 - While discussing air-fuel ratios: Technician A...Ch. 30 - Technician A says that air-fuel ratios can be...Ch. 30 - While discussing GDI systems: Technician A says...Ch. 30 - While discussing SFI systems: Technician A says...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.Similar questions
- How does a GDI system provide for a stratified charge in the combustion chamber?arrow_forward1.Which of the following is an example of combustion?. a. flaming methane bubbles. b. toasty campfire c. running diesel truck engine d. all of the above 2. Heat is measured in a. bules b. grams c. degrees celcius d. kJ 3.Iso-octane CH₁ is burned with 120% theoretical air in a small three-cylinder turbocharged automobile engine, calculate: - a the stoichiometric air-fuel ratiol b. the equivalence ratio?arrow_forwardtechnician A says lean ratio of 15:1 to 16:1 provide the best fuel economy. technician B says rich mixture have a ratio below 14.7:1 and provide more power from the engine but greater fuel combustion. who is correct?arrow_forward
- Differentiate complete combustion from incomplete combustion.arrow_forwardTrue or False? In an HCCI engine, combustion immediately and simultaneously produces a steady flame across the mixture.arrow_forwardIf a fuel system loses pressure immediately after the ignition is turned off, the possible problems are all of the following except. a. a leaking injector b. restricted fuel lines c. leaking connectors or hoses d. a faulty pressure regulatorarrow_forward
- The ignition quality of petrol is expressed by, (A) Cetane number (B) Octane number (C) Calorific value (D) All of thesearrow_forwardVolatile liquid fuels behave differently from gaseous fuels. Make 10 sentences specifying these differences.arrow_forwardIC ENGINE - WHICH OF THE FOLLOWING IS NOT A GOOD PROPERTY OF FUEL ? 1. No emission of smoke 2. High ignition temprature 3. High calorific value 4. Smooth burningarrow_forward
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