MOTORS THEORY AND APPLICATION FINAL
PAPER 2026 QUESTIONS WITH ANSWERS
GRADED A+
◉ An open AC squirrel cage motor that makes use of form-wound coils
and an insulation system is known as a(n) _____. Answer: sealed
windings(type)
◉ The NEMA frame designation for gasoline pump motors is ____.
Answer: G
◉ The letters FLA on a motor nameplate stand for ____. Answer: full-
load amps
◉ To determine the horsepower rating of a motor that is already installed
and in place, ____. Answer: check the nameplate data
◉ Most industrial motors are NEMA Design ____. Answer: B
, ◉ The multiplier to the nameplate horsepower rating is called the _____.
Answer: service factor
◉ 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
◉ 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 heating system is most likely to use a _____. Answer: single-phase
induction motor