NCCER Electrical Level 2 Module 2
Motors: Theory and Application Sections
4-6 2025/2026 Exam All Answers and
Illustrations Given
The two primary types of motor enclosures classified by NEMA are ____. -
🧠 ANSWER ✔✔open and totally enclosed
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
1
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
PRIVACY STATEMENT. ALL RIGHTS RESERVED
, 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
2
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
PRIVACY STATEMENT. ALL RIGHTS RESERVED
Motors: Theory and Application Sections
4-6 2025/2026 Exam All Answers and
Illustrations Given
The two primary types of motor enclosures classified by NEMA are ____. -
🧠 ANSWER ✔✔open and totally enclosed
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
1
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
PRIVACY STATEMENT. ALL RIGHTS RESERVED
, 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
2
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
PRIVACY STATEMENT. ALL RIGHTS RESERVED
