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 26, Problem 6ASRQ
In El systems using one ignition coil for every two cylinders: Technician A says that two plugs fire at the same time with the same voltage used by each spark plug. Technician B says that one plug fires in the normal direction (center to side electrode) and the other in reversed polarity (side to center). Who is correct?
a. Technician A
b. Technician B
c. Both A and B
d. Neither A nor B
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True or False? A spark plug with two ground electrodes will provide two separate sparks when fired..
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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 above
List the advantages of having one ignition coil percylinder.
The following statement is made about an ignition system: tech a says that the greater the speed of the magnets rotating past a the ignition coil, the greater the voltage will be induced into the ignition coil. Tech b says that the primary windings produce a higher voltage than the secondary winding. Who is correct?
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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- While discussing ignition systems: Technician A says that an ignition system must supply high-voltage surges to the spark plugs. Technician B says that the system must maintain the spark long enough to burn all of the air-fuel mixture in the cylinder. Who is correct? a. Technician A b. Technician B c. Both A and B d. Neither A nor Barrow_forwardDi ignition systems are capable of producing higher electrical energy than the DIS ignition systems. true or falsearrow_forwardPlease explain and choose the right option. A spark ignition operates at ________ VAC. A. 1000 B. 5000 C. 8000 D. 10000arrow_forward
- Consider 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_forwardWhat does a slope in the spark line represent?arrow_forwardWhy is the procedure for checking the resistance of awaste spark ignition coil different from the proceduresfor checking other types of ignition coils?arrow_forward
- What does a slope in the spark line represent? a. Low secondary resistance b. High resistance in the primary circuit c. An incorrect air-fuel mixture d. High resistance in both the primary and secondary circuitarrow_forwardWhile 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_forwardWhile discussing spark plugs: Technician A says that too narrow of a spark plug gap can cause a rough idle and premature wear of the electrodes. Technician B says that a spark plug with the wrong reach can cause preignition. Who is correct? a. Technician A b. Technician B c. Both A and B d. Neither A nor Barrow_forward
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