NERC TOP System Operations Exam
Questions and Correct Answers
Question 1
Which of the following entities are expected (by NERC) to issue directives in a clear,
concise and definitive manner?
A) Reliability Coordinators only
B) Resource Planners, Reliability Coordinators and Transmission Owners
C) Transmission Operators and Balancing Authorities only
D) Reliability Coordinators, Transmission Operators and Balancing Authorities
Correct Answer
Reliability Coordinators, Transmission Operators and Balancing Authorities
Question 2
Phase Angle
Correct Answer
the difference in a voltage sine wave, a current sine wave, or two voltages at a point
on the system
Question 3
Violations of the NERCNet Security Policy include any act that ____________.
A) involves unauthorized use of data
B) uses data for illicit purposes
C) discloses trade secrets
D) All of the above
Correct Answer
All of the above
Page 1 of 26
,Question 4
NERC Standard CIP-001 is applicable to which of the following entities?
A) Generator Operators and Load Serving Entities
B) Balancing Authorities and Transmission Operators
C) All of the choices provided
D) Reliability Coordinators
Correct Answer
All of the choices provided
Question 5
Which type of tools use Line Outage Distribution Factors to predict the loading on
transmission element sin the event of a transmission line outage?
A) Congestion management tools.
B) Contingency Analysis tools.
C) Loadability Calculator.
D) Marketing Analysis tools.
Correct Answer
Contingency Analysis tools.
Question 6
Certification of operating personnel is necessary to ensure ___________ competencies
for operating a reliable Bulk Electric System.
A) utmost
B) maximum
C) minimum
D) optimum
Correct Answer
minimum
Page 2 of 26
, Question 7
Transmission Operator and Balancing Authority operating personnel should not shed
firm load to prevent or alleviate System Operating Limit or Interconnection Reliability
Operating Limit violations without permission from ____?
A) area traffic controller
B) no one
C) control center manager
D) shift supervisor
Correct Answer
no one
Question 8
How does a negative Generation shift Facotrs affect line loading?
A) A generator with a negative shift factor is in the Source Balancing area.
B) When a generator with a negative shift factor increases its output, it contributes to
loading on the transmission line.
C) When a generator with a negative shift factor increases its output, it relieves line
loading.
D) A generator with a negative shift factor is inefficient.
Correct Answer
When a generator with a negative shift factor increases its output, it relieves line
loading.
Question 9
On a mild spring day, a transmission line trips. The line then trips again when
energized. Which of the following is LEAST likely to be the problem?
A) Overload
B) Vandalism
C) Sabotage
D) Equipment failure
Correct Answer
Overload
Page 3 of 26
Questions and Correct Answers
Question 1
Which of the following entities are expected (by NERC) to issue directives in a clear,
concise and definitive manner?
A) Reliability Coordinators only
B) Resource Planners, Reliability Coordinators and Transmission Owners
C) Transmission Operators and Balancing Authorities only
D) Reliability Coordinators, Transmission Operators and Balancing Authorities
Correct Answer
Reliability Coordinators, Transmission Operators and Balancing Authorities
Question 2
Phase Angle
Correct Answer
the difference in a voltage sine wave, a current sine wave, or two voltages at a point
on the system
Question 3
Violations of the NERCNet Security Policy include any act that ____________.
A) involves unauthorized use of data
B) uses data for illicit purposes
C) discloses trade secrets
D) All of the above
Correct Answer
All of the above
Page 1 of 26
,Question 4
NERC Standard CIP-001 is applicable to which of the following entities?
A) Generator Operators and Load Serving Entities
B) Balancing Authorities and Transmission Operators
C) All of the choices provided
D) Reliability Coordinators
Correct Answer
All of the choices provided
Question 5
Which type of tools use Line Outage Distribution Factors to predict the loading on
transmission element sin the event of a transmission line outage?
A) Congestion management tools.
B) Contingency Analysis tools.
C) Loadability Calculator.
D) Marketing Analysis tools.
Correct Answer
Contingency Analysis tools.
Question 6
Certification of operating personnel is necessary to ensure ___________ competencies
for operating a reliable Bulk Electric System.
A) utmost
B) maximum
C) minimum
D) optimum
Correct Answer
minimum
Page 2 of 26
, Question 7
Transmission Operator and Balancing Authority operating personnel should not shed
firm load to prevent or alleviate System Operating Limit or Interconnection Reliability
Operating Limit violations without permission from ____?
A) area traffic controller
B) no one
C) control center manager
D) shift supervisor
Correct Answer
no one
Question 8
How does a negative Generation shift Facotrs affect line loading?
A) A generator with a negative shift factor is in the Source Balancing area.
B) When a generator with a negative shift factor increases its output, it contributes to
loading on the transmission line.
C) When a generator with a negative shift factor increases its output, it relieves line
loading.
D) A generator with a negative shift factor is inefficient.
Correct Answer
When a generator with a negative shift factor increases its output, it relieves line
loading.
Question 9
On a mild spring day, a transmission line trips. The line then trips again when
energized. Which of the following is LEAST likely to be the problem?
A) Overload
B) Vandalism
C) Sabotage
D) Equipment failure
Correct Answer
Overload
Page 3 of 26
