Automotive Technology: A Systems Approach (MindTap Course List)
6th Edition
ISBN: 9781133612315
Author: Jack Erjavec, Rob Thompson
Publisher: Cengage Learning
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Chapter 26, Problem 9RQ
To determine
The advantages of having one ignition coil per cylinder.
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Draw a labelled schematic diagram of a coil ignition system for a Sl engine and briefly
describe its working principle.
List the advantages of having one ignition coil percylinder.
AState the firing order of a 4-cylinder engine. Draw a schematic diagram of the
typical ignition system of a 4-cylinder SI engine identifying the components.
Chapter 26 Solutions
Automotive Technology: A Systems Approach (MindTap Course List)
Ch. 26 - Explain how voltage is induced in a permanent...Ch. 26 - Explain why dwell time is important to ignition...Ch. 26 - Prob. 3RQCh. 26 - Explain how the plugs fire in a two-plug-per-coil...Ch. 26 - Explain the components and operation of a...Ch. 26 - Prob. 6RQCh. 26 - True or False? A spark plug with two ground...Ch. 26 - Why is high voltage needed to establish a spark...Ch. 26 - Prob. 9RQCh. 26 - Which of the following is a function of all...
Ch. 26 - Reach, heat range, and air gap are all...Ch. 26 - True or False? The spark plug wire is eliminated...Ch. 26 - Modern ignition cables contain fiber cores that...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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- Title True or False? A spark plug with two ground electrodes will provide two separate sparks when fired.. Description True or False? A spark plug with two ground electrodes will provide two separate sparks when fired. Why is high voltage needed to establish a spark across the gap of a spark plug? List the advantages of having one ignition coil per cylinder. Which of the following is a function of all ignition systems? a. To generate sufficient voltage to force a spark across the spark plug gap b. To time the arrival of the spark to coincide with the movement of the engine’s pistons c. To vary the spark arrival time based on varying operating conditions d. All of the abovearrow_forwardName the engine operating conditions thatmost affect ignition timing requirements.arrow_forwardDefine ignition?arrow_forward
- Explain the influence of engine speed upon the ignition delay.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_forwardExplain the operation of a magneto ignition system used in starting a piston engine.arrow_forward
- Question Two: The crank shaft of an engine runs at 2400 rpm. If it takes 0.002 second after ignition for the charge to gain maximum pressure, what should the crank angle be when spark occurs. If the inlet valve opens 12° before T.D.C. and closes 43° after B.D.C. for how long is it open during one cycle?arrow_forwardDescribe the differences between an overrunning alternator pulley and an alternator decoupler pulley.arrow_forward. Explain how the plugs fire in a two-plug-per-coilDIS system.arrow_forward
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