Automotive Technology
7th Edition
ISBN: 9781337794213
Author: ERJAVEC, Jack.
Publisher: Cengage,
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Question
Chapter 18, Problem 1SA
To determine
The purpose of field binding in an electric motor.
Expert Solution & Answer
Explanation of Solution
An electric motor is a device which is used to convert electrical energy into
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Chapter 18 Solutions
Automotive Technology
Ch. 18 - Prob. 1SACh. 18 - Prob. 2SACh. 18 - The part of the armature that the brushes ride on...Ch. 18 - Describe how to perform a starter bench test.Ch. 18 - True or False? The strength of the magnetic field...Ch. 18 - True or False? Worn armature bearings can result...Ch. 18 - Which of the following is not part of the starter...Ch. 18 - Which of the following tests would not be...Ch. 18 - When the starter spins but does not crank the...Ch. 18 - If the solenoid clicks while trying to crank the...
Ch. 18 - Prob. 5MCCh. 18 - Prob. 6MCCh. 18 - Prob. 7MCCh. 18 - The device that prevents the engine from turning...Ch. 18 - A control circuit voltage drop test shows a 1.1...Ch. 18 - An engine cranks slowly: Technician A says that a...Ch. 18 - Prob. 2ASRQCh. 18 - Pinion gear-to-flywheel ring gear clearance is...Ch. 18 - Technician A says that a starter no-load test is...Ch. 18 - Cranking current is excessive but is normal when...Ch. 18 - Prob. 6ASRQCh. 18 - When diagnosing a no-crank no-start condition, no...Ch. 18 - While discussing a no-crank condition: Technician...Ch. 18 - Prob. 9ASRQCh. 18 - While discussing electric motors: Technician A...
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- Why can an induction motor never operate at synchronous speed?arrow_forwardName three factors that determine the torque produced by an induction motor.arrow_forwardA motor works when it is connected to AC. By mistake you connect it to DC, but you see it also works with DC. What kind of motor is it?arrow_forward
- A (21 HP, 3-Phase, 380 volts) motor with an efficiency of 95% is operating at a load factor of 0.63. What is the input current (Amperes) when the power factor is 89%? (1 HP = 0.75 kW)arrow_forwardIn a brushless DC motor, the (rotor, stator) is a permanent magnet.arrow_forwardWhen a repulsion-start induction-run motor reaches about 75% of rated full-load speed, it stops operating as a repulsion motor and starts operating as a squirrel-cage motor. What must be done to cause the motor to begin operating as a squirrel-cage motor?arrow_forward
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