Cemf and speed are Study guides, Class notes & Summaries
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NCCER Electrical Module 2 Level 2 Motors Theory and Application exam questions and answers
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How DC motors operate? 
Magnetic lines of force are continuous and always form closed loops; Magnetic lines of force do not cross. 
 
 
 
Armature: (Definition) 
The rotating windings of a DC motor. 
 
 
 
The ____ is a movable electromagnet located between the poles of another fixed permanent (field) magnet as shown. 
Armature 
 
 
 
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 armatu...
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ATT Test 11 (Latest 2024/ 2025 Update) Questions and Verified Answers| 100% Correct| Grade A
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ATT Test 11 (Latest 2024/ 2025 Update) Questions and Verified Answers| 100% Correct| Grade A 
 
Q: What characteristic is a twisting force that causes shaft to rotate? 
 
 
Answer: 
Torque 
 
 
 
Q: How is torque calculated in generators? 
 
 
Answer: 
Force X Distance from center of shaft 
 
 
 
Q: How are torque and speed related? 
 
 
Answer: 
Inversely proportional 
 
 
 
Q: What characteristic is a generated voltage that OPPOSES applied volts? 
 
 
Answer: 
Couterelectromotive Force (CEMF) ...
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NCCER Electrical Module 2 Level 2 Motors Theory and Application Exam Questions and Answers.
- Exam (elaborations) • 8 pages • 2024
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NCCER Electrical Module 2 Level 2 Motors Theory and Application Exam Questions and Answers. 
How DC motors operate? - correct answer -Magnetic lines of force are continuous and always form 
closed loops; Magnetic lines of force do not cross. 
Armature: (Definition) - correct answer -The rotating windings of a DC motor. 
The ____ is a movable electromagnet located between the poles of another fixed permanent (field) 
magnet as shown. - correct answer -Armature 
A twisting force called ______ must...
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NCCER Electrical Module 2 Level 2 Motors Theory and Application Exam Questions and Answers.
- Exam (elaborations) • 8 pages • 2024
-
- $11.49
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NCCER Electrical Module 2 Level 2 Motors Theory and Application Exam Questions and Answers. 
How DC motors operate? - correct answer -Magnetic lines of force are continuous and always form 
closed loops; Magnetic lines of force do not cross. 
Armature: (Definition) - correct answer -The rotating windings of a DC motor. 
The ____ is a movable electromagnet located between the poles of another fixed permanent (field) 
magnet as shown. - correct answer -Armature 
A twisting force called ______ must...
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NCCER Electrical Module 2 Level 2 Motors: Theory and Application Questions With Correct Answers
- Exam (elaborations) • 5 pages • 2024
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- $11.49
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NCCER Electrical Module 2 Level 2 Motors: 
Theory and Application Questions With 
Correct Answers 
How DC motors operate? -Answer-Magnetic lines of force are continuous and always form 
closed loops; Magnetic lines of force do not cross. 
Armature: (Definition) -Answer-The rotating windings of a DC motor. 
The ____ is a movable electromagnet located between the poles of another fixed permanent 
(field) magnet as shown. -Answer-Armature 
A twisting force called ______ must be developed. _____ is ...
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ATT FC Test 10 (with Complete Solutions) 2024.
- Exam (elaborations) • 6 pages • 2023
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2 Categories of Rotating Machinery correct answers Motors and Generators 
 
All rotating machinery have these: correct answers Rotating Shaft Mechanical in Electrical out 
 
Why is AC Motor so popular? correct answers Readily Available 
 
Twisting Action correct answers Torque 
 
How is torque related to CEMF? correct answers Inversely 
 
Starting Current for DC Series motor is (greater/less) than for DC shunt correct answers Greater 
 
Generates Rotor Current in an AC induction motor correct an...
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ATT FC Test 10 Solved 100% Correct
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2 Categories of Rotating Machinery - ANSWER-Motors and Generators 
 
All rotating machinery have these: - ANSWER-Rotating Shaft Mechanical in Electrical out 
 
Why is AC Motor so popular? - ANSWER-Readily Available 
 
Twisting Action - ANSWER-Torque 
 
How is torque related to CEMF? - ANSWER-Inversely 
 
Starting Current for DC Series motor is (greater/less) than for DC shunt - ANSWER-Greater 
 
Generates Rotor Current in an AC induction motor - ANSWER-Stator Magnetic Field 
 
Has characteristic...
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NETA ETT Certified Level 3 Practice Exam 2024 Q&A
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NETA ETT Certified Level 3 Practice 
Exam 2024 Q&A 
A newly installed 4160V emergency generator has an insulation resistance value of 150 
Megohms after one minute with an equipment temperature of 32 degrees C. Is this 
value acceptable per NETA standards? - CORRECT ANSWER-No 
NETA ATS-2017 Table 100.11 

Know the NETA-ATS Insulation Resistance tables 
Which test method measures Hydrolyzable Flouride content in SF6 gas? - CORRECT 
ANSWER-ASTM D2284 
[Standard Test Method for Acidity of Sulfu...
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ATT FC Week 12 Exam Questions With 100% Correct Answers 2023
- Exam (elaborations) • 6 pages • 2023
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Any device that has a spinning or rotating shaft and uses electricity as the input or output. - Rotating Machine 
What are the two categories of rotating machines? - Motors, Generators 
What type of device utilizes a mechanical input? - Generator 
What type of device produces a mechanical output? - Motor 
What type of device utilizes an electrical input? - Motor 
What type of device produces an electrical output? - Generator 
What are the two categories of motors? - Incremental, Co...
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NCCER Electrical Module 2 Level 2 Motors: Theory and Application Questions With Correct Answers
- Exam (elaborations) • 5 pages • 2024
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- $11.49
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NCCER Electrical Module 2 Level 2 Motors: 
Theory and Application Questions With 
Correct Answers 
How DC motors operate? -Answer-Magnetic lines of force are continuous and always form 
closed loops; Magnetic lines of force do not cross. 
Armature: (Definition) -Answer-The rotating windings of a DC motor. 
The ____ is a movable electromagnet located between the poles of another fixed permanent 
(field) magnet as shown. -Answer-Armature 
A twisting force called ______ must be developed. _____ is ...
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