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 27, Problem 12RQ
What is the typical procedure for checking the resistance of the primary winding in an ignition coil?
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What happens when the low-voltage current flow in the coil primary winding is interrupted by the switching device?
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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?
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Chapter 27 Solutions
Automotive Technology: A Systems Approach (MindTap Course List)
Ch. 27 - Name the three types of stress testing used to...Ch. 27 - Prob. 2RQCh. 27 - Name the three types of trace pattern display...Ch. 27 - Prob. 4RQCh. 27 - List at least two methods of checking the...Ch. 27 - What happens if one of the ground electrodes of a...Ch. 27 - True or False? The first test when checking a...Ch. 27 - Richer air-fuel mixtures. a. decrease the...Ch. 27 - Prob. 9RQCh. 27 - What does a slope in the spark line represent?
Ch. 27 - True or False? On some engines, if the gap between...Ch. 27 - What is the typical procedure for checking the...Ch. 27 - While checking a pickup coil with an ohmmeter, a...Ch. 27 - A CKP sensor can be checked with all of the...Ch. 27 - Which of the following will cause one or more, but...Ch. 27 - Prob. 1ASRQCh. 27 - Prob. 2ASRQCh. 27 - Prob. 3ASRQCh. 27 - Technician A says that EMI can affect sensor...Ch. 27 - While discussing waste spark EI systems:...Ch. 27 - While discussing how to test a Hall-effect...Ch. 27 - While discussing the possible causes for a...Ch. 27 - Prob. 8ASRQCh. 27 - While discussing EI service and diagnosis:...Ch. 27 - While discussing engine misfire diagnosis:...
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- Which of the following is the typical output voltage of the ignition transformer? A. 24 V B. 200,000 V C. 115 v D. 10,000 Varrow_forwardIs the resistance in the start winding greater or less than the resistance in the run winding?arrow_forwardWhen energizing or de-energizing a combination starter what safety precaution should always be taken?arrow_forward
- What are the three types of armature windings?arrow_forwardThe load on the outdoor coil influenced by? -The location of the indoor coil -The outdoor temperature and the evaporator heat load -the voltage supplied to the unit -all the above factorsarrow_forwardIn 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 Barrow_forward
- Refer to Figure 211 to answer the following questions. How much voltage will be applied to coil 1CR when it is energized?arrow_forwardWhat are the advantages of alternators over generators?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 misfiring. Which of these statements are correct? (a) 1 and 2 (c) 3 and 4 (b) 2 and 3 (d) 4 and 1arrow_forward
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