NOCTI MECHATRONICS 2 TEST
QUESTIONS WITH CORRECT
ANSWERS
Which of the following is an example of a motor control circuit input?
Switch
Through what mechanism does the overload of a motor provide protection when
current is greater than a specified amount?
It opens a normally closed contact
The function of overload protection is to protect the ___________ from being
overpowered by disconnecting it from the source of power when an overload is
sensed.
electric motor
Motors are generally protected against overload by a __________ device
thermal
Which of the following is true of two-wire control of a motor?
the motor automatically returns to operation when power is restored after a
power outage.
Which is the most common machine wire type?
THHN
Which of the following is true of a three-wire motor control?
the motor won't return to line when power returns after an outage
QUESTIONS WITH CORRECT
ANSWERS
Which of the following is an example of a motor control circuit input?
Switch
Through what mechanism does the overload of a motor provide protection when
current is greater than a specified amount?
It opens a normally closed contact
The function of overload protection is to protect the ___________ from being
overpowered by disconnecting it from the source of power when an overload is
sensed.
electric motor
Motors are generally protected against overload by a __________ device
thermal
Which of the following is true of two-wire control of a motor?
the motor automatically returns to operation when power is restored after a
power outage.
Which is the most common machine wire type?
THHN
Which of the following is true of a three-wire motor control?
the motor won't return to line when power returns after an outage
