NERC TEST BANK 2025: 200+ QUESTIONS AND 100% VERIFIED
ANSWERS | GRADED A+ | GUARANTEED PASS!!
63. If a system operator is required to control its transmission facilities on a pre-
contingency basis, which of the following actions would be appropriate if a system
study indicated a potential emergency limit violation?
a. Reduce all interchange transaction to 0 regardless of their impact on the
violation
b. Shift generation to eliminate the concern
c. Reduce system frequency in order to reduce system load
d. Request and EEA 3 from the Reliability Coordinator
- answer-b. Shift generation to eliminate the concern
64. Which of the following would be an appropriate action for a system operator to
implement in trying to maintain a safe and reliable system?
a. Reduce system voltages below 95% of nominal
b. Request all generator AVRs be placed in manual
c. Maintain system voltages as high as possible, but within limits
d. Reduce spinning reserves to zero
- answer-c. Maintain system voltages as high as possible, but within limits
65. If a transmission tie-line has a conductor rating 95 MVA with a current
transformer rated 85 MVA on you end and a current transformer rated at 90 MVA
on the other end, what is the limit that would be used for the operation of the line?
a. 85 MVA
b. 90 MVA
c. 95 MVA
d. 175 MVA
- answer-a. 85 MVA
66. Which of the following is ultimately the cause of system voltage collapse?
a. Reactive resource deficiency
,b. Low spinning reserves
c. Too many capacitors on line
d. Not enough reactors on the system
- answer-a. Reactive resource deficiency
67. If system conditions are such that all reactive resources have been exhausted,
what action should the operator consider to prevent voltage collapse?
a. Increase MW reserves
b. Increase transfer across your system to the load
c. Reduction of load in the appropriate area
d. Place reactors in service
- answer-c. Reduction of load in the appropriate area
68. Which mode of operation is most desirable for operating the Balancing Area
AGC system?
a. Flat or constant frequency
b. Manual
c. Tie-line frequency bias
d. Flat or constant tie-line
- answer-c. Tie-line frequency bias
69. If the system operator determines that it is necessary to implement a firm load
reduction to prevent a system voltage collapse, what is the best place to reduce
load?
a. Across the entire system
b. In the load area that is generation deficient
c. At the same location as under frequency protected load
d. Wherever non-critical customers are located
- answer-b. In the load area that is generation deficient
70. If the system operator observes a decline in system frequency, in addition to an
increase in their system exports, which of the following is the most likely event?
a. The Balancing Area experienced a loss of load
b. A generator tripped internal to the Balancing Area
c. A generator tripped external to the Balancing Area
,d. There was a loss of load external to the Balancing Area
- answer-c. A generator tripped external to the Balancing Area
71. What is a major reason for identifying the transfer capabilities of the
transmission system?
a. To identify all bottled generators
b. To mitigate transmission constraints in real-time
c. To proactively avoid system problems
d. To maximize the income of the transmission owners
- answer-c. To proactively avoid system problems
72. According to the FERC Standards of conduct, a Transmission Operator can
share transmission related information with all of the following EXCEPT?
a. Other Transmission Operators
b. Reliability Coordinators
c. System Planners
d. Affiliated Marketing Groups
- answer-d. Affiliated Marketing Groups
73. Each Transmission Operator and Balancing Authority shall have emergency
plans that will enable it to?
a. Cover all possible contingencies without violating any limits
b. Mitigate operating emergencies
c. Restore the system to normal within 10 minutes
d. Prevent any emergency condition from occurring
- answer-b. Mitigate operating emergencies
74. If studies were being performed to evaluate next-day system conditions, which
of the following information would be the LEAST useful?
a. Projected Transmission outages
b. Generation schedule
c. Load forecast
d. Current day weather forecast
- answer-d. Current day weather forecast
, 75. According to NERC Standards Transmission Operators, Balancing Authorities,
Generator Operators, Transmission Service Providers, Load-Serving Entities, and
Purchasing-Selling Entities are required to comply with Reliability Coordinator
directives unless such actions would?
a. Be contrary the companies operating philosophy
b. Cause additional financial obligations
c. Violate safety, equipment, or regulatory requirements
d. Require additional workload on the companies personnel
- answer-c. Violate safety, equipment, or regulatory requirements
76. If transmission line XYZ is carrying 300 MW and a transaction is started for
100 MW in the same direction that has a distribution factor of .3 on XYZ, what
will the flow be on XYZ after the transaction is ramped?
a. 270 MW
b. 300 MW
c. 330 MW
d. 400 MW
- answer-c. 330 MW
77. Which of the following is responsible to arrange for either by self-providing or
purchasing reactive resources to satisfy it reactive requirements identified by its
Transmission Service Provider?
a. Transmission Operator
b. Purchasing-Selling Entity
c. Generator Operator
d. Balancing Authority
- answer-b. Purchasing-Selling Entity
78. Which of the following functions shall have the ability to operate or direct the
operation of devices necessary to regulate transmission voltage and reactive flow?
a. Balancing Authority
b. Reliability Coordinator
c. Generator Operator
d. Transmission Operator
- answer-d. Transmission Operator
ANSWERS | GRADED A+ | GUARANTEED PASS!!
63. If a system operator is required to control its transmission facilities on a pre-
contingency basis, which of the following actions would be appropriate if a system
study indicated a potential emergency limit violation?
a. Reduce all interchange transaction to 0 regardless of their impact on the
violation
b. Shift generation to eliminate the concern
c. Reduce system frequency in order to reduce system load
d. Request and EEA 3 from the Reliability Coordinator
- answer-b. Shift generation to eliminate the concern
64. Which of the following would be an appropriate action for a system operator to
implement in trying to maintain a safe and reliable system?
a. Reduce system voltages below 95% of nominal
b. Request all generator AVRs be placed in manual
c. Maintain system voltages as high as possible, but within limits
d. Reduce spinning reserves to zero
- answer-c. Maintain system voltages as high as possible, but within limits
65. If a transmission tie-line has a conductor rating 95 MVA with a current
transformer rated 85 MVA on you end and a current transformer rated at 90 MVA
on the other end, what is the limit that would be used for the operation of the line?
a. 85 MVA
b. 90 MVA
c. 95 MVA
d. 175 MVA
- answer-a. 85 MVA
66. Which of the following is ultimately the cause of system voltage collapse?
a. Reactive resource deficiency
,b. Low spinning reserves
c. Too many capacitors on line
d. Not enough reactors on the system
- answer-a. Reactive resource deficiency
67. If system conditions are such that all reactive resources have been exhausted,
what action should the operator consider to prevent voltage collapse?
a. Increase MW reserves
b. Increase transfer across your system to the load
c. Reduction of load in the appropriate area
d. Place reactors in service
- answer-c. Reduction of load in the appropriate area
68. Which mode of operation is most desirable for operating the Balancing Area
AGC system?
a. Flat or constant frequency
b. Manual
c. Tie-line frequency bias
d. Flat or constant tie-line
- answer-c. Tie-line frequency bias
69. If the system operator determines that it is necessary to implement a firm load
reduction to prevent a system voltage collapse, what is the best place to reduce
load?
a. Across the entire system
b. In the load area that is generation deficient
c. At the same location as under frequency protected load
d. Wherever non-critical customers are located
- answer-b. In the load area that is generation deficient
70. If the system operator observes a decline in system frequency, in addition to an
increase in their system exports, which of the following is the most likely event?
a. The Balancing Area experienced a loss of load
b. A generator tripped internal to the Balancing Area
c. A generator tripped external to the Balancing Area
,d. There was a loss of load external to the Balancing Area
- answer-c. A generator tripped external to the Balancing Area
71. What is a major reason for identifying the transfer capabilities of the
transmission system?
a. To identify all bottled generators
b. To mitigate transmission constraints in real-time
c. To proactively avoid system problems
d. To maximize the income of the transmission owners
- answer-c. To proactively avoid system problems
72. According to the FERC Standards of conduct, a Transmission Operator can
share transmission related information with all of the following EXCEPT?
a. Other Transmission Operators
b. Reliability Coordinators
c. System Planners
d. Affiliated Marketing Groups
- answer-d. Affiliated Marketing Groups
73. Each Transmission Operator and Balancing Authority shall have emergency
plans that will enable it to?
a. Cover all possible contingencies without violating any limits
b. Mitigate operating emergencies
c. Restore the system to normal within 10 minutes
d. Prevent any emergency condition from occurring
- answer-b. Mitigate operating emergencies
74. If studies were being performed to evaluate next-day system conditions, which
of the following information would be the LEAST useful?
a. Projected Transmission outages
b. Generation schedule
c. Load forecast
d. Current day weather forecast
- answer-d. Current day weather forecast
, 75. According to NERC Standards Transmission Operators, Balancing Authorities,
Generator Operators, Transmission Service Providers, Load-Serving Entities, and
Purchasing-Selling Entities are required to comply with Reliability Coordinator
directives unless such actions would?
a. Be contrary the companies operating philosophy
b. Cause additional financial obligations
c. Violate safety, equipment, or regulatory requirements
d. Require additional workload on the companies personnel
- answer-c. Violate safety, equipment, or regulatory requirements
76. If transmission line XYZ is carrying 300 MW and a transaction is started for
100 MW in the same direction that has a distribution factor of .3 on XYZ, what
will the flow be on XYZ after the transaction is ramped?
a. 270 MW
b. 300 MW
c. 330 MW
d. 400 MW
- answer-c. 330 MW
77. Which of the following is responsible to arrange for either by self-providing or
purchasing reactive resources to satisfy it reactive requirements identified by its
Transmission Service Provider?
a. Transmission Operator
b. Purchasing-Selling Entity
c. Generator Operator
d. Balancing Authority
- answer-b. Purchasing-Selling Entity
78. Which of the following functions shall have the ability to operate or direct the
operation of devices necessary to regulate transmission voltage and reactive flow?
a. Balancing Authority
b. Reliability Coordinator
c. Generator Operator
d. Transmission Operator
- answer-d. Transmission Operator
