Electrical Level 3 Motor Controls Questions with Correct Answers Rated A+

Electrical Level 3 Motor Controls Questions
with Correct Answers | Rated A+
Pilot devices are used to provide - CORRECT ANSWER -Sequencing



Jogging is also referred as - CORRECT ANSWER -inching



If the heater in an IEC bimetallic overload relay fails - CORRECT ANSWER -
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You must replace the heater and relay (all)
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Describe retroreflective scan - CORRECT ANSWER -
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The target to be detected passes between the sensor and reflector, interrupting the light beam
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Operating Temperature Differential - CORRECT ANSWER -The difference between the cut-
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in and cut-out temperatures. Also called deadband.
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NEC Article 430part VII - CORRECT ANSWER -Used to start and stop motors. ??
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Installations of start/stop buttons in multiple locations - CORRECT ANSWER -
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No matter how many stations the start pushbuttons must all be connected in parallel and all st
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op buttons in series.
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Pickup Voltage - wCORRECTwANSWERw- X2 X2




ThewminimumwallowablewcoilwcontrolwvoltagewthatwwillwCAUSEwanwelectromechanicalwdevicewtowe
nergize.



Seal-in voltage - wCORRECTwANSWERw- X2 X2




ThewminimumwallowablewcoilwcontrolwvoltagewthatwwillwKEEPwthewdevicewenergized .