NERC Exam Questions Transmission Questions with Complete Solutions (Latest 2025)
Q1: When current flow increases in the power system, losses
in the system will increase based on which of the following relationships?
- Current times resistance squared
- Current times impedance
- Current squared times resistance
- Current squared times impedance - Correct Answers
✅C) Current squared times resistance
Q2: How do you increase the MVAR output of a generator?
- Increase the DC current to the field windings
- Decrease the DC current to the field windings
- Increase the input to the prime mover
- Decrease the input to the prime mover - Correct
Answers ✅A) Increase the DC current to the field windings
Q3: A capacitor bank needs to be outaged for maintenance.
When would be the most beneficial time to schedule a capacitor bank outage?
- During outage of other reactive sources in the area
- During summer time
- During projected peak loading
- During projected light loading - Correct Answers ✅D)
During projected light loading 1 / 2
NERC Exam Questions Transmission Questions with Complete Solutions (Latest 2025)
Q4: Which MVAR resource device would you normally use
first?
- Inductive cancelations
- Shunt reactors
- Shunt capacitors
- Generator MVAR reserves - Correct Answers ✅C) Shunt
capacitors
Q5: Why would a Voltage reduction be implemented?
- Reducing load on the transmission system
- Increasing current on the transmission system
- Increasing load on the distribution system
- Reducing load/demand on the distribution system -
Correct Answers ✅D) Reducing load/demand on the distribution system
Q6: A heavily loaded transmission line will exhibit which
characteristic?
- Surge Impedance Loading and will be VAR neutral
- Capacitive properties and produce VAR
- Inductive properties and absorb VAR
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