Automotive Technology
7th Edition
ISBN: 9781337794213
Author: ERJAVEC, Jack.
Publisher: Cengage,
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Textbook Question
Chapter 27, Problem 2TF
True or False? Coil secondary resistance is typically very low, less than 1 ohm.
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What happens when the low-voltage current flow in the coil primary winding is interrupted by the switching device?
The primary winding delivers a high-voltage spark to the plugs.
The magnetic field in the coil primary builds.
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High voltage is induced in the secondary windin
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the steel shell
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Chapter 27 Solutions
Automotive Technology
Ch. 27 - Prob. 1SACh. 27 - Name the three types of trace pattern display...Ch. 27 - Prob. 3SACh. 27 - List at least two methods of checking the...Ch. 27 - Prob. 5SACh. 27 - What is the typical procedure for checking the...Ch. 27 - What does a slope in the spark line represent?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 - True or False? Coil secondary resistance is...
Ch. 27 - True or False? On some engines, if the gap between...Ch. 27 - Richer air-fuel mixtures. a. decrease 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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- Refer to Figure 211 to answer the following questions. How much voltage will be applied to coil 1CR when it is energized?arrow_forwardTrue or False? A batteny is an electromechanical device.arrow_forwardIs the resistance in the start winding greater or less than the resistance in the run winding?arrow_forward
- True or False? A zero reading on an ohmmeter means the circuit or component is open.arrow_forwardVoltage can be described as ____________ .arrow_forwardAHO LUI 3. True or false? A magnetic field opposing the stator's magnetic field is produced in a motor's rotor by a process called induced magnetism.arrow_forward
- What is the alternator to engine drive ratio if alternator turns 1225 rpm when engine is idling at 700 rpm?arrow_forwardIf an alternator is used to provide variable frequency, how is the output voltage of the alternator controlled?arrow_forwardTrue or False? A faulty voltage regulator can only cause a no-charge condition.arrow_forward
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