NCCER Electrical Module 2 Level 2 Motors Theory and Application Latest Update 2025-2026 120 Questions and 100% Verified Correct Answers Guaranteed A+
___ use dynamic braking. - CORRECT ANSWER: Forklifts
A ____ motor has three stator windings that are 120° apart. - CORRECT ANSWER:
polyphase
A _____ is produced by the fields poles, and a loop of wire in the armature turns and
cuts this magnetic field. - CORRECT ANSWER: Magnetic field
A consequent-pole motor has _____. - CORRECT ANSWER: two speeds
A delta-connected motor has ___ leads - CORRECT ANSWER: three sets of three
A delta-connected motor has ____. - CORRECT ANSWER: the coils connected in
parallel
A heating system is most likely to use a _____. - CORRECT ANSWER: single-phase
induction motor
A motor with a NEMA kVA code letter of M has a locked-rotor value of ____. -
CORRECT ANSWER: 10.0-11.9 kVA/hp
A motor with the field coils connected in parallel with the rotor winding is a _____. -
CORRECT ANSWER: shunt motor 1 / 2
A NEMA designation for a type of enclosed motor is _____. - CORRECT ANSWER:
explosion-proof
A three-phase synchronous motor is started with a(n) _____. - CORRECT ANSWER:
amortisseur winding
A twisting force called ______ must be developed. _____ is produced by mounting a loop in a fixed magnetic field and as long as the fields of the magnet and armature
interact. - CORRECT ANSWER: Torque
A type of motor used in precision applications that require constant speed with zero slip
is a _____. - CORRECT ANSWER: synchronous motor
A wye-connected motor has _____. - CORRECT ANSWER: the coils pointed in series
A wye-connected motor has ____. - CORRECT ANSWER: Three wire in one group and
three sets of two wires grouped together.
A(n) ______ is used to provide the switching action required for continuous DC motor
rotation. - CORRECT ANSWER: commutator
All motors must have a thermal protector if their voltage rating is greater than _____. -
CORRECT ANSWER: 600V-1,000V
An insulation resistance test can be used to determine _____. - CORRECT ANSWER:
whether a motor is damp
An open AC squirrel cage motor that makes use of form-wound coils and an insulation system is known as a(n) _____. - CORRECT ANSWER: sealed windings(type)
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