Automotive Technology
7th Edition
ISBN: 9781337794213
Author: ERJAVEC, Jack.
Publisher: Cengage,
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Chapter 26, Problem 3SA
To determine
The engine operating conditions that most affect the ignition timing requirements.
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Name the engine operating conditions thatmost affect ignition timing requirements.
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Chapter 26 Solutions
Automotive Technology
Ch. 26 - Explain how voltage is induced in a permanent...Ch. 26 - Explain why dwell time is important to ignition...Ch. 26 - Prob. 3SACh. 26 - Explain how the plugs fire in a two-plug-per-coil...Ch. 26 - Why is high voltage needed to establish a spark...Ch. 26 - Prob. 6SACh. 26 - Modern ignition cables contain fiber cores that...Ch. 26 - Explain the components and operation of a...Ch. 26 - True or False? The spark plug wire is eliminated...Ch. 26 - True or False? A spark plug with two ground...
Ch. 26 - Prob. 1MCCh. 26 - Which of the following is a function of all...Ch. 26 - Reach, heat range, and air gap are all...Ch. 26 - The magnetic field surrounding the coil in a...Ch. 26 - Which of the following electronic switching...Ch. 26 - Technician A says that a magneto resistive sensor...Ch. 26 - While discussing ignition systems: Technician A...Ch. 26 - While discussing ignition timing requirements:...Ch. 26 - While discussing secondary voltage: Technician A...Ch. 26 - Prob. 5ASRQCh. 26 - In El systems using one ignition coil for every...Ch. 26 - While discussing EI systems: Technician A says...Ch. 26 - While discussing El systems: Technician A says...Ch. 26 - Technician A says the switching device controls...Ch. 26 - While discussing spark plugs: Technician A says...
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- While discussing ignition timing requirements: Technician A says that more advanced timing is desired when the engine is under a heavy load. Technician B says that more advanced timing is desired when the engine is running at high engine speeds. Who is correct?arrow_forwardEngine knocking is defined as self-ignition of unburnt mixture other than the spark plugpoint. Explain the engine structural parameters’ effects on engine knocking.arrow_forwardConsider the following statements relevant to the ignition system of SI engine: 1. Too small a dwell angle will lead to the burning of condenser and contact points. 2. Too small a dwell angle will result in misfiring. 3. Too large a dwell angle will result in burning of condenser and contact points. 4. Too large a dwell will result in mistiring. Which of these statements are correct?arrow_forward
- Describe with the aid of diagrams the operational sequence of four stroke spark ignition and four stroke compression ignition engines note:Use whatever laws or graphics you need to illustrate the answerarrow_forward1) What is the effect if it occurs error data reading on Throttle Position Sensors? 2) What are the effects of accelerating and slow ignition timing?arrow_forwardDescribe with the aid of diagrams the operational sequence of four stroke spark ignition and four stroke compression ignition enginesarrow_forward
- Discuss about pros and cons of each type of ignition turrets. Explain what is dwell Angle and importance of it to engine operation. Explain how emission controlling is done in two types of ignition systems discussed here. Explain the working of vacuum advancer unit Discuss about pros and cons of each type of ignition turrets. Explain what is Hall Effect, and explain how it woks What are your thoughts about each type’s emission controlling? Why do you think DIS system replaced Distributor type ignition systems?arrow_forwardHow spark advance mechanisms works in mechanical ignition system and what are its shortcomings?arrow_forwardDraw P-V and T-s diagram showing the 4 points of different cycle for (a) spark ignition with explanation (b) compression ignition (c) dual combustion Explain the process from point to pointarrow_forward
- While discussing the compression ratios used with engines equipped with a GDI system: Technician A says that higher ratios can be used because ignition timing is normally very advanced. Technician B says that higher ratios are possible because the small droplets of fuel injected directly into the cylinder tend to cool the mixture in the cylinder. Who is correct?a.tech a b.tech b c. Both a and b d. Neither a nor barrow_forwardDescribe the engine types and operations including the manner of releasing the energy source through combustion of the corresponding fuels.arrow_forwardC1.(i). Explain the construction details of an IC engine with a neat diagram? (ii). Briefly explain any three major components?arrow_forward
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