NERC Test EXAM QUESTIONS AND

NERC Test EXAM QUESTIONS AND ANSWERS 100% SOLVED (Newest 2025) If CB-5 is closed, which of the following best describes the impact on the voltages at Stations A and B?

• voltage at Station B will increase and the voltage at Station

A will decrease

• voltage at Station A will increase and the voltage at Station

B will decrease

• voltage at Station A and B will increase
• voltage at Station A and B will decrease - Correct

Answers ✅voltage at Station A and B will decrease If a high voltage condition exists on Bus 5, which of the following actions would have the most impact toward lowering the voltage on Bus 5?

• reduce MVAR on GEN 3
• remove Bus 5 capacitor from service
• start GEN 4 to absorb MVAR
• adjust the taps on the 230/138 transformer - Correct

Answers ✅remove Bus 5 capacitor from service If Line 3 in the identified system has a rating of 125 MW and a current flow of 150 MW from Station B to Station A, what action can be implemented that would result in a reduction of the flow on Line 3?

• decrease GEN 1 by 50 MW
• open the reactor bypass CB 1 / 4

NERC Test EXAM QUESTIONS AND ANSWERS 100% SOLVED (Newest 2025)

• reduce load at Load 2
• disconnect Load 3 - Correct Answers ✅open the reactor

bypass CB Which of the following would be an impact on the ring bus and lines?

• Line 1 would be the only de-energized line from this station
• Line 4 would be de-energized from this station - Correct

Answers ✅Line 4 would be de-energized from this station Which of the following statements identifies what the impacts would be if Line 1 trips out of service?

• Generator 1 would reduce its output
• the flow on Line 2 would increase - Correct Answers

✅the flow on Line 2 would increase If the MW loading on Line 1 is flowing from Bus 1 to Bus 4, which of the following generation adjustments would have the greatest impact in reducing the Line 1 loading?

• increase GEN 1 and reduce GEN 3
• reduce GEN 1 and increase GEN 3 - Correct Answers

✅reduce GEN 1 and increase GEN 3 Gen 1 is currently putting out 1,000 MW and Gen 2 is offline.Based on the distribution factors, 40% of the output flows on 2 / 4

NERC Test EXAM QUESTIONS AND ANSWERS 100% SOLVED (Newest 2025) line 1 and 30% of the output flows on each Line 2 and Line 3.If the LODF for the loss of line 1 are .5 for Line 2 and .5 for line 3, what would the new flow be on Line 2 or Line 3 if Line

• trips?

A. 300 MW

B. 400 MW

C. 500 MW

• 600 MW - Correct Answers ✅500 MW

What would the impedance be for the circuit that has an AC voltage source and a resistance of 30 ohms, inductive reactance of 80 ohms, and a capacitive reactance of 70 ohms?

A. 11.4 Ω

B. 31.6 Ω

C. 73.2 Ω

• 152.9 Ω - Correct Answers ✅31.6 Ω

If there was a low voltage situation in the area of Bus 2, which of the following actions would be the first action to assist in increasing the voltage?

• reducing load at LOAD 5
• reducing MVAR output on GEN 3
• reducing load at LOAD 4 3 / 4

NERC Test EXAM QUESTIONS AND ANSWERS 100% SOLVED (Newest 2025)

• increasing the MVAR output GEN 2 - Correct Answers

✅increasing the MVAR output GEN 2 Line 1, Line 2, and Line 3 all have identical impedances. With Line 3 out of service, the flow from Station A to Station B is 60 MW on Line 1 and 60 MW on Line 2, if Line 3 is returned to service, what would be the MW loading on Line 1?

A. 30 MW

B. 40 MW

C. 60 MW

• 120 MW - Correct Answers ✅40 MW

(REVIEW DIAGRAM #11)

Generator 2 is currently putting out 100 MW and there is 100 MW coming into Station A from System Z. Line 1 has a DF of .4, Line 2 has a DF of .3, and Line 3 has a DF of .3. What would be the flow on line 1?

A. 40 MW

B. 60 MW

C. 80 MW

• 120 MW - Correct Answers ✅80 MW

(REVIEW DIAGRAM #12)

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