ELECTRICAL MOTOR CONTROL MIDTERM REVIEW
LATEST EXAM 2025 WITH MULTIPLE CHOICE OF
QUESTIONS AND DETAILED CORRECT ANSWERS
ALREADY GRADED A+ AND 100% GUARANTEE PASS
(JUST RELEASED!!!!!)
Anytime a motor has tripped on overload, the electrician should check the
motor and circuit to determine why the overload tripped. The first step is
generally to ____. - CORRECT ANSWER-determine if the motor is actually
overloaded
When using a sensing pilot device to directly control the operation of a
motor, you must make sure that the type of pilot device is equipped with
contacts that can handle the rated current of the motor. These devices are
generally referred to as "____________________" devices - CORRECT
ANSWER-line voltage
Manual starters that are installed in a(n) ____________________
inside a wall are especially susceptible to ambient temperature problems. -
CORRECT ANSWER-switch box
Chapter 4 - CORRECT ANSWER-Overload Relays
Overloads are designed to protect the circuit from a short-circuit condition.
- CORRECT ANSWER-False
, Three-phase motors must have an overload sensor (heaters or magnetic
coils) in two of the three-phase lines. - CORRECT ANSWER-False
There are two major types of overload relays: thermal and ____. - CORRECT
ANSWER-magnetic
Electronic overload relays employ a current ____ to sense the motor
current. - CORRECT ANSWER-transformer
Solder melting-type overloads are often called solder
____________________ overloads. - CORRECT ANSWER-pot
All overload relays contain a set of normally ____________________
contacts. - CORRECT ANSWER-closed
Chapter 5 - CORRECT ANSWER-Relays, Contractors, and Motor Starters
Relays are electromechanical switches that lack auxiliary contacts. -
CORRECT ANSWER-False
The greatest difference between relays and contactors is the fact that
contactors are equipped with large contacts that are intended to connect
high-current loads to the power line. - CORRECT ANSWER-True
The continuous change of both amplitude and polarity of the magnetic field
causes currents to be induced into the metal core material. These currents
are called ____ currents. - CORRECT ANSWER-eddy
LATEST EXAM 2025 WITH MULTIPLE CHOICE OF
QUESTIONS AND DETAILED CORRECT ANSWERS
ALREADY GRADED A+ AND 100% GUARANTEE PASS
(JUST RELEASED!!!!!)
Anytime a motor has tripped on overload, the electrician should check the
motor and circuit to determine why the overload tripped. The first step is
generally to ____. - CORRECT ANSWER-determine if the motor is actually
overloaded
When using a sensing pilot device to directly control the operation of a
motor, you must make sure that the type of pilot device is equipped with
contacts that can handle the rated current of the motor. These devices are
generally referred to as "____________________" devices - CORRECT
ANSWER-line voltage
Manual starters that are installed in a(n) ____________________
inside a wall are especially susceptible to ambient temperature problems. -
CORRECT ANSWER-switch box
Chapter 4 - CORRECT ANSWER-Overload Relays
Overloads are designed to protect the circuit from a short-circuit condition.
- CORRECT ANSWER-False
, Three-phase motors must have an overload sensor (heaters or magnetic
coils) in two of the three-phase lines. - CORRECT ANSWER-False
There are two major types of overload relays: thermal and ____. - CORRECT
ANSWER-magnetic
Electronic overload relays employ a current ____ to sense the motor
current. - CORRECT ANSWER-transformer
Solder melting-type overloads are often called solder
____________________ overloads. - CORRECT ANSWER-pot
All overload relays contain a set of normally ____________________
contacts. - CORRECT ANSWER-closed
Chapter 5 - CORRECT ANSWER-Relays, Contractors, and Motor Starters
Relays are electromechanical switches that lack auxiliary contacts. -
CORRECT ANSWER-False
The greatest difference between relays and contactors is the fact that
contactors are equipped with large contacts that are intended to connect
high-current loads to the power line. - CORRECT ANSWER-True
The continuous change of both amplitude and polarity of the magnetic field
causes currents to be induced into the metal core material. These currents
are called ____ currents. - CORRECT ANSWER-eddy
