NERC CERTIFICATION EXAM QUESTION BANK 2025
| COMPLETE TESTING ACCURATE REAL EXAM
QUESTIONS WITH DETAILED VERIFIED ANSWERS |
ALREADY GRADED A+ | GUARANTEED EXPERT PASS
| ALL LATEST VERSION
Q1: When current flow increases in the power system, losses in the system will increase
based on which of the following relationships?
A) Current times resistance squared
B) Current times impedance
C) Current squared times resistance
D) Current squared times impedance
C) Current squared times resistance
Q2: How do you increase the MVAR output of a generator?
A) Increase the DC current to the field windings
B) Decrease the DC current to the field windings
C) Increase the input to the prime mover
D) Decrease the input to the prime mover
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?
A) During outage of other reactive sources in the area
B) During summer time
C) During projected peak loading
D) During projected light loading
D) During projected light loading
Q4: Which MVAR resource device would you normally use first?
A) Inductive cancelations
B) Shunt reactors
C) Shunt capacitors
D) Generator MVAR reserves
C) Shunt capacitors
Q5: Why would a Voltage reduction be implemented?
A) Reducing load on the transmission system
B) Increasing current on the transmission system
C) Increasing load on the distribution system
D) Reducing load/demand on the distribution system
D) Reducing load/demand on the distribution system
,Q6: A heavily loaded transmission line will exhibit which characteristic?
A) Surge Impedance Loading and will be VAR neutral
B) Capacitive properties and produce VAR
C) Inductive properties and absorb VAR
D) Increase impedance will keep the line neutral
C) Inductive properties and absorb VAR
Q7: Which corrective action should a Transmission Operator take to prevent voltage
collapse when reactive resources are insufficient?
A) Closing in reactors
B) Switching out transmission
C) Shedding load
D) Exceeding established limits
C) Shedding load
Q8: Reactive reserve response during a disturbance is best obtained from which device?
A) Synchronous condensers
B) Shunt Capacitors
C) Generators with the AVR on manual
D) Series Capacitors
A) Synchronous condensers
, Q9: How many MVARs does a 230 kV, 50 MVAR capacitor bank provide when the voltage
is 207 kV?
A) 50 MVARs
B) 45 MVARs
C) 40 MVARs
D) 35 MVARs
C) 40 MVARs
Ql0: Voltage response to power flow is a study that is represented by which of the
following?
A) D Curve
B) P-V Curve
C) Ferranti Curve
D) VRS Curve
B) P-V Curve
Q11: Two adjacent lines exist in a Balancing Area that are the same length and have
the same ratings. One line is overhead and the other is underground. How do these
two lines respond as load picks up through the day?
A) The overhead line will carry more of the load increase
B) The underground line will carry more of the load increase
C) The load increase will be distributed evenly over the two lines
D) The line with the higher impedance will carry more of the load
| COMPLETE TESTING ACCURATE REAL EXAM
QUESTIONS WITH DETAILED VERIFIED ANSWERS |
ALREADY GRADED A+ | GUARANTEED EXPERT PASS
| ALL LATEST VERSION
Q1: When current flow increases in the power system, losses in the system will increase
based on which of the following relationships?
A) Current times resistance squared
B) Current times impedance
C) Current squared times resistance
D) Current squared times impedance
C) Current squared times resistance
Q2: How do you increase the MVAR output of a generator?
A) Increase the DC current to the field windings
B) Decrease the DC current to the field windings
C) Increase the input to the prime mover
D) Decrease the input to the prime mover
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?
A) During outage of other reactive sources in the area
B) During summer time
C) During projected peak loading
D) During projected light loading
D) During projected light loading
Q4: Which MVAR resource device would you normally use first?
A) Inductive cancelations
B) Shunt reactors
C) Shunt capacitors
D) Generator MVAR reserves
C) Shunt capacitors
Q5: Why would a Voltage reduction be implemented?
A) Reducing load on the transmission system
B) Increasing current on the transmission system
C) Increasing load on the distribution system
D) Reducing load/demand on the distribution system
D) Reducing load/demand on the distribution system
,Q6: A heavily loaded transmission line will exhibit which characteristic?
A) Surge Impedance Loading and will be VAR neutral
B) Capacitive properties and produce VAR
C) Inductive properties and absorb VAR
D) Increase impedance will keep the line neutral
C) Inductive properties and absorb VAR
Q7: Which corrective action should a Transmission Operator take to prevent voltage
collapse when reactive resources are insufficient?
A) Closing in reactors
B) Switching out transmission
C) Shedding load
D) Exceeding established limits
C) Shedding load
Q8: Reactive reserve response during a disturbance is best obtained from which device?
A) Synchronous condensers
B) Shunt Capacitors
C) Generators with the AVR on manual
D) Series Capacitors
A) Synchronous condensers
, Q9: How many MVARs does a 230 kV, 50 MVAR capacitor bank provide when the voltage
is 207 kV?
A) 50 MVARs
B) 45 MVARs
C) 40 MVARs
D) 35 MVARs
C) 40 MVARs
Ql0: Voltage response to power flow is a study that is represented by which of the
following?
A) D Curve
B) P-V Curve
C) Ferranti Curve
D) VRS Curve
B) P-V Curve
Q11: Two adjacent lines exist in a Balancing Area that are the same length and have
the same ratings. One line is overhead and the other is underground. How do these
two lines respond as load picks up through the day?
A) The overhead line will carry more of the load increase
B) The underground line will carry more of the load increase
C) The load increase will be distributed evenly over the two lines
D) The line with the higher impedance will carry more of the load
