Electric Motor Control
10th Edition
ISBN: 9781305177611
Author: Herman
Publisher: Cengage
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Chapter 3, Problem 29SQ
Select the best answer for each of the following.
Vacuum contactors
a. are quieter in operation than standard contactors.
b. can control higher voltages in a smaller space.
c. are more economical to purchase than conventional contactors.
d. require the connection of a vacuum pump when in operation.
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Chapter 3 Solutions
Electric Motor Control
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