NERC PRACTICE EXAM QUESTIONS AND

NERC PRACTICE EXAM QUESTIONS AND

ANSWERS 100% SOLVED (Newest 2025) Dry steam plants, flash steam plants, and binary cycle power plants are the three main types of what kind of generating plant?

• Nuclear generators
• Combustion turbine generators
• Geothermal generators
• Hydroelectric generators - Correct Answers ✅C.

Geothermal generators If a reliability coordinator identifies that there is a potential transmission related problem in the area, who should they notify?

• Marketers in the area
• Other reliability coordinators in the interconnection
• All purchasing selling entities
• Generation operators in the area of the potential problem -

Correct Answers ✅B. Other reliability coordinators in the interconnection Restoration services on critical telecommunications channels should be available _____.

• 24 hours per day
• Within 12 hours of a telecommunication channel failure
• By the end of the next business day 1 / 4

NERC PRACTICE EXAM QUESTIONS AND

ANSWERS 100% SOLVED (Newest 2025)

• Within 72 hours of the contingency occurring - Correct

Answers ✅A. 24 hours per day According to NERC, A balancing authority may elect to fulfill its contingency reserve obligations by participating as a member of a _____

A. ISO

• Reserve sharing group

C. RTO

• Regional reliability organization - Correct Answers ✅B.

Reserve sharing group If you were to experience the northern lights what would be your concern with the operation of the power system?

• System harmonics causing oscillations
• A reduction of MVAR consumption
• Generator output reduction
• Transformer overheating - Correct Answers ✅D.

Transformer overheating Your BA has a net scheduled interchange of 650 MW and your actual interchange is 800 MW. The frequency bias setting for your BA is 65 MW/0.1 Hz. There is a disturbance on the system and the actual frequency is 60.02 Hz. What is your

ACE? 2 / 4

NERC PRACTICE EXAM QUESTIONS AND

ANSWERS 100% SOLVED (Newest 2025)

A. -163 MW

B. -137 MW

C. 137 MW

• 163 MW - Correct Answers ✅D. 163 MW

Generators have the ability to be used as voltage control devices. If a generator raises its VAR output the system operator should expect the system voltage to

• Decrease
• Increase
• Not change
• Collapse - Correct Answers ✅B. Increase

if a BA has 500 MW of spinning reserves and of that 300 are regulating reserves, by definition, NERC requires the regulating reserves must be ____?

• Online and AGC responsive
• Able to ramp to full load within 10 minutes
• Able to be online within 10 minutes
• Able to be online within 5 minutes - Correct Answers

✅A. Online and AGC responsive There is a shunt capacitor on your system that has a rating of 50 MVAR @ 138 KV. The voltage at the time of switching the 3 / 4

NERC PRACTICE EXAM QUESTIONS AND

ANSWERS 100% SOLVED (Newest 2025) capacitor in service is 124 KV. What would be the expected output of the capacitor?

A. 45 MVAR

B. 43.5 MVAR

C. 50 MVAR

• 40.5 MVAR - Correct Answers ✅D. 40.5 MVAR

Which mode of AGC operation is the one that NERC states will be used unless such operation is adverse to the system or interconnection Reliability?

• Constant interchange
• Tie-line Bias
• Constant frequency
• Load-frequency bias - Correct Answers ✅B. Tie-line Bias

You have a 600 MW unit that is currently loaded at 300 MW and frequency drops .2 Hz. What will the new output of the generator be as a result of the drop in frequency due to droop characteristic?

A. 300 MW

B. 340 MW

C. 260 MW

• 380 MW - Correct Answers ✅B. 340 MW
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