NERC Transmission Practice Test-Sample question to help prepare for the
NERC Transmission Exam | Actual Questions and Answers Latest Updated
2025/2026 (Graded A+)
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
following EXCEPT - ✔✔Reactive inadvertent
What should a system operator expect to see if the generator increases its excitation? - ✔✔An increase
in MVAR output
A transmission line between Bus A and Bus B has MW flow from Bus B to Bus A. After the tripping of a
parallel line, the line flow from Bus B to Bus A exceeds the lines thermal rating. Which of the following
actions would assist the operator in correcting the problem? - ✔✔Increase generation at Bus A
What is a major concern for a System Operator during emergency conditions? - ✔✔System remains
connected to the Interconnection
If your system has lost a large amount of customer load due to a system disturbance, but has remained
connected to all of your neighbors, what is the best solution to consider? - ✔✔Coordinate with the
neighbors
You report for work on a peak summer day with expected high temperatures and load. What can you do
to maintain an adequate system voltage profile? - ✔✔Get under the voltage by placing capacitors in
service while maintaining operating limits
