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BOMA Electrical Motor Controls with 100- correct answers.
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BOMA Electrical Motor Controls with 100- correct answers.
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BOMA: ElectricalMotor Controls
with 100%
correct answers
A holding contact or maintaining contact in a
magnetic motor starter is normally connected
in parallel with the? - answer Stop push
button, start push button, and starter coil
The armatures of both AC and DC contactors
must move freely or? - answer all the
contacts may weld together
Which of the following devices prevent
motors from drawing too much current? -
answer overloads
, The primary difference between a motor
starter and a motor contactor is the starter
has an? - answer overload protection
The purpose of a reduced motor is to? -
answer reduce voltage on motor starter
Two speed motors require 2 sets of overloads
to monitor the motor heating characteristics
at each speed? - answer true
Over current protection is provided for an
electric motor to prevent damage to the
windings from the heating effect of excessive
current? - answer true
The current interrupting capability of a fuse
breaker is to? - answer the maximum
amperage it should conduct during normal
operation
Reduce voltage starting is used as a means
of? - answer reducing the starting current
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