ELE 146 ELECTRIC MOTOR CONTROL EXAM
WITH VERIFIED ANSWERS
A __________ is often used to allow an operator
or technician to change a machine from the
automatic mode to the manual mode. - answer-
Selector switch
When batteries are wired in Series, you are
increasing the Voltage. - answer-True
A disconnect is a switch that will: - answer-
Manually remove power from a circuit or apply
power to a circuit
Contacts are used in: - answer-Contactors
Who should remove a lock-out / tag-out? -
answer-Only the person who installed it
,Which of the following is not a rule of drawing a
ladder diagram? - answer-At least 2 loads per line
The contact shown in the figure is a(n)
___________ ? - answer-True
One application of interlocking is to cause both
the forward and reverse coils of a reversing
contactor to be energized at the same time. -
answer-False
A Hand-Off-Automatic (H-O-A) circuit requires a
selector switch with __________ positions. -
answer-3
To quickly determine if a circuit is hot, what is
the simplest tool to use? - answer-Voltage meter
, The measured unit of electromotive force is a
__________. - answer-Volt
What are the three fundamental particles
contained in atoms? - answer-Protons, electrons
and neutrons.
Which particle has a negative charge? - answer-
Electrons
What unit is used to measure resistance? -
answer-Ohms
. What device allows current to flow in only one
direction? - answer-Diode
What type of fuel is used to produce the most
amount of electricity? - answer-Coal
WITH VERIFIED ANSWERS
A __________ is often used to allow an operator
or technician to change a machine from the
automatic mode to the manual mode. - answer-
Selector switch
When batteries are wired in Series, you are
increasing the Voltage. - answer-True
A disconnect is a switch that will: - answer-
Manually remove power from a circuit or apply
power to a circuit
Contacts are used in: - answer-Contactors
Who should remove a lock-out / tag-out? -
answer-Only the person who installed it
,Which of the following is not a rule of drawing a
ladder diagram? - answer-At least 2 loads per line
The contact shown in the figure is a(n)
___________ ? - answer-True
One application of interlocking is to cause both
the forward and reverse coils of a reversing
contactor to be energized at the same time. -
answer-False
A Hand-Off-Automatic (H-O-A) circuit requires a
selector switch with __________ positions. -
answer-3
To quickly determine if a circuit is hot, what is
the simplest tool to use? - answer-Voltage meter
, The measured unit of electromotive force is a
__________. - answer-Volt
What are the three fundamental particles
contained in atoms? - answer-Protons, electrons
and neutrons.
Which particle has a negative charge? - answer-
Electrons
What unit is used to measure resistance? -
answer-Ohms
. What device allows current to flow in only one
direction? - answer-Diode
What type of fuel is used to produce the most
amount of electricity? - answer-Coal
