Thermal tripping - Study guides, Class notes & Summaries
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NERC Certification Practice QUIZ (30 OUT OF 30) GRADED A
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Which type of relay operates on the premise of comparing the flow in and out of the area of protection? 
Differential relay 
 
 
Underfrequency load shedding is set-up so that which of the following does NOT occur? 
Uncontrolled separation 
 
 
Who is responsible to make sure that the operation of voltage control equipment is coordinated with other impacted entities? 
Transmission Operator 
 
 
The coordination of voltage schedules by system operators would be utilized to reduce all of the follo...
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NERC PREP TEST 101 QUESTIONS AND ANSWERS (100% CORRECT SOLUTIONS)
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1. If a 500 kV transmission line with a surge impedance loading of 800 MW is currently loaded at 1400 MW, which of the following events would most likely occur? 
 
a. Generator MVAR output would increase 
b. All system capacitors would trip off-line 
c. Generator MVAR output would decrease 
d. All automatic reactors would connect to the system 
a. Generator MVAR output would increase 
 
 
2. When system conditions are such that emergency procedures are expected to be implemented, which of the fo...
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Electrician NCCER, Exam Questions and Answers, Latest Updated 2024/2025 | Graded.
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Which article of the NEC covers grounding? Article 250 
What is a dropout plate? Metal plate with a curve surface for cable to follow as it passes 
from the tray 
All of the following are common service voltages in the United States Except: 372/575 3- 
Phase, 4-wire 
What does a GFCI breaker do? Opens a circuit to prevent operation of an electrical device 
What will happen when one or more coils in a winding are grounded? The motor will 
automatically blow fuses 
eight incandescent lighting fix...
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NERC Transmission Practice Test
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NERC Transmission Practice Test 
Sample question to help prepare for the NERC Transmission Exam 
Which type of relay operates on the premise of comparing the flow in and out of the area of protection? 
- Answer->Differential relay 
Underfrequency load shedding is set-up so that which of the following does NOT occur? - Answer- 
>Uncontrolled separation 
Who is responsible to make sure that the operation of voltage control equipment is coordinated with 
other impacted entities? - Answer-&g...
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NERC Transmission Practice Test Sample question to help prepare for the NERC Transmission Exam
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NERC Transmission Practice Test 
Sample question to help prepare for the NERC Transmission Exam 
Which type of relay operates on the premise of comparing the flow in and out of the area of protection? 
- Answer->Differential relay 
Underfrequency load shedding is set-up so that which of the following does NOT occur? - Answer- 
>Uncontrolled separation 
Who is responsible to make sure that the operation of voltage control equipment is coordinated with 
other impacted entities? - Answer-&g...
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NERC RC PRACTICE EXAM 2023 WITH COMPLETE SOLUTIONS.
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System studies identify what 
Predict operations and identify constraints 
 
 
 
If ACE remains the same and frequency goes up what has happened? 
Someone lost load 
 
 
 
When a generator has its AVR in service it is a? 
Dynamic source of reactive power 
 
 
 
Black start resource testing is done every? 
3 years 
 
 
 
Each BA shall operate its AGC on? 
Tie line Frequency Bias 
 
 
 
When is voltage reduction reportable? 
Greater than 3% 
 
 
 
Reactors do what? 
Absorb VARs 
 
 
 
What AGC mod...
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Overcurrent protection Questions and Solutions | Grade A+
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Where are overcurrent devices normally installed in a branch circuit. 
️: Where the conductors recover their supply. 
The branch circuit conductor and overcurrent protective device must be sized for the actual 
non-continuous load plus what percentage of the continuous load. 
️: 125% 
which of the following is true of the voltage rating of a fuse 
️: it can be higher than the circuit voltage but never lower 
when selecting ampere ratings of fuses and circuit breakers the most important co...
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Colorado Journeyman practice test 2 Questions And Answers
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Colorado Journeyman practice test 2 
Questions And Answers 
Which of the following best describes a grounded conductor? 
Article 100 - answerThe conductor of a system that is intentionally grounded. 
"The point of connection between the facilities of the serving utility and the premises wiring" is 
called ___________. 
Article 100 - answerThe service point 
"Connected to establish electrical continuity and conductivity," is the definition of 
___________. 
Article 100 Part I - answerBonded 
...
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Journeyman Electricitian Exam 1 & 2 Questions With Verified Answers
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_______ can be generated. 
I. Electricity II. Electrical Energy 
a. I only 
b. II only 
c. both I and II 
d. neither I nor II - Answer Ans. b 
 
A phenomenon where a circuit stores electrical energy is called ______. 
a. Inductance 
b. Capacitance 
c. Resistance 
d. Susceptance - Answer Ans. b 
 
A general term including material, fittings, devices, appliances, fixtures, apparatus, and the like used as part of, or in connection with, an electrical installation is ______. 
a. premises wiring (s...
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NERC Transmission Practice Exam With Guaranteed Accurate Answers 2024
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Which type of relay operates on the premise of comparing the flow in and out of the area of protection? - correct answer Differential relay 
 
Underfrequency load shedding is set-up so that which of the following does NOT occur? - correct answer Uncontrolled separation 
 
Who is responsible to make sure that the operation of voltage control equipment is coordinated with other impacted entities? - correct answer Transmission Operator 
 
The coordination of voltage schedules by system operators wo...
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