Automotive Technology
7th Edition
ISBN: 9781337794213
Author: ERJAVEC, Jack.
Publisher: Cengage,
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Chapter 26, Problem 1MC
To determine
The effect when the low-voltage current flow on the coil primary winding is interrupted by the switching device.
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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.
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.
The secondary voltage drops to zero volts.
High voltage is induced in the secondary windin
The magnetic field surrounding the coil in a magneticpulse generator moves when the __ .a. Reluctor tooth approaches the coilb. Reluctor tooth begins to move away from thepickup coil polec. Reluctor is aligned with the pickup coil poled. Both a and b
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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- An open winding in an electric motor means that A. the winding is making contact with the motor frame. B. one winding is making contact with another winding. C. a wire in one winding is broken. D. the centrifugal switch to the start winding is open.arrow_forwardA load is an electrical device that__________.a. produces electricityb. directs the flow of electricityc. assists in the starting of motorsd. uses electricity to do useful workarrow_forwardA rotating magnetic field inside a set of conductingwires is a simple description of a __ .a. DC generatorb. AC generatorc. voltage regulatord. none of the abovearrow_forward
- The diagram shows a brass rod and an iron rod beside each other at the bottom of a rectangular coil. What happens when a d.c. current passes through the coil? to d.c. supply rectangular coil brass iron rod rod Only the brass rod is magnetized Only the iron rod is magnetized The two rods attract each óther The two rods repel each other.arrow_forwardState the physical differences between a run and a start capacitor.arrow_forwardWhy should the secondary winding of a CT never be disconnected from its load when there is current flow in the primary?arrow_forward
- In DC machine, used to collect the current from the armature winding.arrow_forwardThe two popular operating voltages for residences are_________ V and _________ V.arrow_forwardd.2. Which of the following types of grounding electrodes was one of the first grounding electrodes to berequired for use?A. Ground ringB. Water pipeC. Concrete-encasedD. Rod and piped.3. What is the primary purpose of the National Electrical Code?A. To serve as a training manual for untrained personsB. To provide design specifications to professionalsC. To act as a collection of procedures for electriciansD. To safeguard against electrical hazardsarrow_forward
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