Page 1 of 149
NERC TOP SYSTEM OPERATIONS (TOP) EXAM BANK
| {LATEST 2026/ 2027 UPDATE} COMPLETE ACTUAL
AND AUTHENTIC EXAM | BRAND NEW!
| {LATEST 2026/ 2027 UPDATE} COMPLETE ACTUAL
AND AUTHENTIC EXAM | BRAND NEW!
(REVIEW DIAGRAM #1)
If CB-5 is closed, which of the following best describes the impact on
the voltages at Stations A and B?
A. voltage at Station B will increase and the voltage at Station A will
decrease
B. voltage at Station A will increase and the voltage at Station B will
decrease
C. voltage at Station A and B will increase
D. voltage at Station A and B will decrease
voltage at Station A and B will decrease
,Page 2 of 149
Each Balancing Authority Area or Reserve Sharing Group must review
its contingencies on a/an _______ basis.
A. semi-annual
B. annual
C. as requested by NERC
D. quarterly
annual
(REVIEW DIAGRAM #2)
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?
A. reduce MVAR on GEN 3
B. remove Bus 5 capacitor from service
C. start GEN 4 to absorb MVAR
D. adjust the taps on the 230/138 transformer
remove Bus 5 capacitor from service
,Page 3 of 149
(REVIEW DIAGRAM #3)
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?
A. decrease GEN 1 by 50 MW
B. open the reactor bypass CB
C. reduce load at Load 2
D. disconnect Load 3
open the reactor bypass CB
, Page 4 of 149
(REVIEW DIAGRAM #4)
Which of the following would be an impact on the ring bus and lines?
A. Line 1 would be the only de-energized line from this station
B. Line 4 would be de-energized from this station
Line 4 would be de-energized from this station
(REVIEW DIAGRAM #5)
Which of the following statements identifies what the impacts would
be if Line 1 trips out of service?
A. Generator 1 would reduce its output
B. the flow on Line 2 would increase
the flow on Line 2 would increase
NERC TOP SYSTEM OPERATIONS (TOP) EXAM BANK
| {LATEST 2026/ 2027 UPDATE} COMPLETE ACTUAL
AND AUTHENTIC EXAM | BRAND NEW!
| {LATEST 2026/ 2027 UPDATE} COMPLETE ACTUAL
AND AUTHENTIC EXAM | BRAND NEW!
(REVIEW DIAGRAM #1)
If CB-5 is closed, which of the following best describes the impact on
the voltages at Stations A and B?
A. voltage at Station B will increase and the voltage at Station A will
decrease
B. voltage at Station A will increase and the voltage at Station B will
decrease
C. voltage at Station A and B will increase
D. voltage at Station A and B will decrease
voltage at Station A and B will decrease
,Page 2 of 149
Each Balancing Authority Area or Reserve Sharing Group must review
its contingencies on a/an _______ basis.
A. semi-annual
B. annual
C. as requested by NERC
D. quarterly
annual
(REVIEW DIAGRAM #2)
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?
A. reduce MVAR on GEN 3
B. remove Bus 5 capacitor from service
C. start GEN 4 to absorb MVAR
D. adjust the taps on the 230/138 transformer
remove Bus 5 capacitor from service
,Page 3 of 149
(REVIEW DIAGRAM #3)
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?
A. decrease GEN 1 by 50 MW
B. open the reactor bypass CB
C. reduce load at Load 2
D. disconnect Load 3
open the reactor bypass CB
, Page 4 of 149
(REVIEW DIAGRAM #4)
Which of the following would be an impact on the ring bus and lines?
A. Line 1 would be the only de-energized line from this station
B. Line 4 would be de-energized from this station
Line 4 would be de-energized from this station
(REVIEW DIAGRAM #5)
Which of the following statements identifies what the impacts would
be if Line 1 trips out of service?
A. Generator 1 would reduce its output
B. the flow on Line 2 would increase
the flow on Line 2 would increase
