NCCER ELECTRICAL MODULE 2 QUESTION
BANK 2026 TRADE REVIEW MATERIAL
SOLUTIONS UPDATED A+
◉ Most industrial motors are NEMA Design ____.
Answer: B
◉ The multiplier to the nameplate horsepower rating is called the
_____.
Answer: service factor
◉ An insulation resistance test can be used to determine _____.
Answer: whether a motor is damp
◉ The code requirements for motor disconnects are covered in ___.
Answer: 430.102
◉ All motors must have a thermal protector if their voltage rating is
greater than _____.
Answer: 600V-1,000V
, ◉ To protect the motor from overloads and starting failures, use a
____.
Answer: thermal protector
◉ When studying the operation of electric motors, it is important to
remember that magnetic lines of force ____.
Answer: do not cross
◉ A motor with the field coils connected in parallel with the rotor
winding is a _____.
Answer: shunt motor
◉ If a motor has 4 poles and is operating at a frequency of 60Hz, its
synchronous speed is _____. 120(60Hz)/4= 1,800 rpm
Answer: 1,800 rpm
◉ The type of motor most likely to be used in a location with
flammable dust and torque fluctuations is a ____.
Answer: squirrel cage induction motor
◉ A type of motor used in precision applications that require
constant speed with zero slip is a _____.
Answer: synchronous motor
BANK 2026 TRADE REVIEW MATERIAL
SOLUTIONS UPDATED A+
◉ Most industrial motors are NEMA Design ____.
Answer: B
◉ The multiplier to the nameplate horsepower rating is called the
_____.
Answer: service factor
◉ An insulation resistance test can be used to determine _____.
Answer: whether a motor is damp
◉ The code requirements for motor disconnects are covered in ___.
Answer: 430.102
◉ All motors must have a thermal protector if their voltage rating is
greater than _____.
Answer: 600V-1,000V
, ◉ To protect the motor from overloads and starting failures, use a
____.
Answer: thermal protector
◉ When studying the operation of electric motors, it is important to
remember that magnetic lines of force ____.
Answer: do not cross
◉ A motor with the field coils connected in parallel with the rotor
winding is a _____.
Answer: shunt motor
◉ If a motor has 4 poles and is operating at a frequency of 60Hz, its
synchronous speed is _____. 120(60Hz)/4= 1,800 rpm
Answer: 1,800 rpm
◉ The type of motor most likely to be used in a location with
flammable dust and torque fluctuations is a ____.
Answer: squirrel cage induction motor
◉ A type of motor used in precision applications that require
constant speed with zero slip is a _____.
Answer: synchronous motor
