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Ele 74 Quiz 12 Contactors And Magnetic Motor Starters Questions With Detailed Verified And 100% Accurate Answers

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Additional NC contacts are used to turn on additional loads anytime a contactor or starter is OFF, as well as to provide electrical ___. A. arc suppression B. solenoid action C. interlocking D. trip indicators Correct Answers C. interlocking ___ control provides low-voltage release and low-voltage protection. A. Two-wire B. Three-wire C. AC D. DC Correct Answers B. Three-wire Normally, only one ___ unit with one or two contacts is added per contactor or motor starter. A. pneumatic timer B. power pole C. additional electrical contact

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ELE 74 QUIZ 12 CONTACTORS AND MAGNETIC MOTOR
STARTERS QUESTIONS WITH DETAILED VERIFIED AND
100% ACCURATE ANSWERS
Additional NC contacts are used to turn on additional loads anytime a
contactor or starter is OFF, as well as to provide electrical ___.


A. arc suppression
B. solenoid action
C. interlocking
D. trip indicators Correct Answers C. interlocking


___ control provides low-voltage release and low-voltage protection.


A. Two-wire
B. Three-wire
C. AC
D. DC Correct Answers B. Three-wire


Normally, only one ___ unit with one or two contacts is added per
contactor or motor starter.


A. pneumatic timer
B. power pole
C. additional electrical contact

, D. transient suppression module Correct Answers B. power pole


When troubleshooting a contactor or motor starter, the voltage is
acceptable if the voltage reading is within ___% of the motor voltage
rating.


A. 10
B. 20
C. 30
D. 40 Correct Answers A. 10


A ___ alloy is a metal that has a fixed temperature at which it changes
directly from a solid to a liquid state.


A. plasmic
B. melting
C. tripping
D. eutectic Correct Answers D. eutectic


___ action is the principal operating mechanism for magnetic contactors.


A. Torque
B. Variable
C. Electromechanical relay

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