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Additional NERC Exam Questions Transmission with correct answers

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Additional NERC Exam Questions Transmission with correct answers

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Uploaded on
April 1, 2025
Number of pages
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Written in
2024/2025
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Additional NERC Exam Questions
Transmission with correct answers

Q1: When current flow increases in the power system, losses in the system
y y y y y y y y y y y y y


will increase based on which of the following relationships?
y y y y y y y y




A) Current times resistance squared
y y y y




B) Current times impedance
y y y




C) Current squared times resistance
y y y y




D) Current squared times impedance - correct answer ✔C) Current squared
y y y y y y y y y y y


times resistance
y




Q2: How do you increase the MVAR output of a generator?
y y y y y y y y y y




A) Increase the DC current to the field windings
y y y y y y y y




B) Decrease the DC current to the field windings
y y y y y y y y




C) Increase the input to the prime mover
y y y y y y y




D) Decrease the input to the prime mover - correct answer ✔A) Increase the
y y y y y y y y y y y y y y


DC current to the field windings
y y y y y




Q3: A capacitor bank needs to be outaged for maintenance. When would be
y y y y y y y y y y y y y


the most beneficial time to schedule a capacitor bank outage?
y y y y y y y y y




A) During outage of other reactive sources in the area
y y y y y y y y y




B) During summer time
y y y




C) During projected peak loading
y y y y

, D) During projected light loading - correct answer ✔D) During projected light
y y y y y y y y y y y y


loading


Q4: Which MVAR resource device would you normally use first?
y y y y y y y y y




A) Inductive cancelations
y y




B) Shunt reactors
y y




C) Shunt capacitors
y y




D) Generator MVAR reserves - correct answer ✔C) Shunt capacitors
y y y y y y y y y




Q5: Why would a Voltage reduction be implemented?
y y y y y y y




A) Reducing load on the transmission system
y y y y y y




B) Increasing current on the transmission system
y y y y y y




C) Increasing load on the distribution system
y y y y y y




D) Reducing load/demand on the distribution system - correct answer ✔D)
y y y y y y y y y y y


Reducing load/demand on the distribution system
y y y y y




Q6: A heavily loaded transmission line will exhibit which characteristic?
y y y y y y y y y




A) Surge Impedance Loading and will be VAR neutral
y y y y y y y y




B) Capacitive properties and produce VAR
y y y y y




C) Inductive properties and absorb VAR
y y y y y




D) Increase impedance will keep the line neutral - correct answer ✔C)
y y y y y y y y y y y y


Inductive properties and absorb VAR
y y y y




Q7: Which corrective action should a Transmission Operator take to prevent
y y y y y y y y y y y


voltage collapse when reactive resources are insufficient?
y y y y y y




A) Closing in reactors
y y y

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