Automotive Technology
7th Edition
ISBN: 9781337794213
Author: ERJAVEC, Jack.
Publisher: Cengage,
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Textbook Question
Chapter 26, Problem 4MC
The magnetic field surrounding the coil in a magnetic pulse generator moves when the.
a. Reluctor tooth approaches the coil
b. Reluctor tooth begins to move away from the pickup coil pole
c. Reluctor is aligned with the pickup coil pole
d. Both a and b
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The diagram shows a brass rod and an iron rod beside each other at the bottom of a
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brass
iron
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Only the brass rod is magnetized
Only the iron rod is magnetized
The two rods attract each óther
The two rods repel each other.
AHO LUI
3. True or false? A magnetic field opposing the
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The deflecting torque of a permanent magnet moving coil type instrument is
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Current flowing through the voltage coil
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O Current flowing through the power coil
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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- How is the shunt field connected in relation to the armature?arrow_forwardHow is the series field connected in relation to the armature?arrow_forwardAn 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_forward
- 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 windinarrow_forwardThe speed of a moving coil motor (MCM) is varied by O changing the DC voltage applied to the armature O changing the width of DC pulses applied to the armaturearrow_forwardWhat type of field winding is made with many turns of small wire?arrow_forward
- Explain how to set the neutral plane position by using the compensating winding.arrow_forwardWhat are the three types of armature windings?arrow_forwardIf the rotor teeth of a stepper motor are 20 degrees apart and the stator poles are 10 degrees apart how many degrees will the rotor turn per step ? O 5 degrees 20 degrees O 10 degrees 25 degreesarrow_forward
- Assume the stator and rotor magnetic fields of a motor, “BS” and “BR,” are in x-y plan. If the angle from the vector BS to BR is 30o, measured counterclockwise, what would be the direction of the resulting induced torque? A. Along the +z axis B. Along the -z axis C. counterclockwise D. In the x-y plane E. clockwisearrow_forwardstep of construction with sutible dimmenstionarrow_forwardWhy should the secondary winding of a CT never be disconnected from its load when there is current flow in the primary?arrow_forward
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