Additional NERC Exam Study Questions Emergency Preparedness
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1. Q1: For the annual test of an entity's back-up functionality Operating Plan
to be valid, it must demonstrate which of the following?
A) Back-up functionality is maintained for at least 2 continuous hours
B) All shift personnel are comfortable at the backup site
C) Transition time is one hour or less
D) The backup site is secure: A) Back-up functionality is maintained for at least 2
continuous hours
2. Q2: A BA is experiencing low voltage in the northeast region. A 50 MVA
generator in that area is loaded at 50 MWs. What action could a System
Operator take to increase the voltage in that area?
A) Increase generation to overload capacity
B) Decrease reactive power until voltage increases
C) Do nothing; the AVR will take care of it
D) Decrease real power and increase reactive power: D) Decrease real power
and increase reactive power
3. Q3: Maintenance in the area has resulted in the ICCP communication line
being cut to the control room. Which of the following actions is most appro-
priate?
A) Implement the plan for Loss of Control Center Functionality
B) Manually update State Estimator with the most current information
C) Report the loss of ICCP to NERC
D) Switch AGC to Flat Frequency Control: C) Report the loss of ICCP to NERC
4. Q4: A portion of a Reliability Coordinator Area is experiencing low voltage.
What Operating Instructions should the RC issue?
A) Lower transfers across area and decrease generation
B) Increase transfers across area and decrease generation
C) Lower transfers across area and increase generation
D) Increase transfers across area and increase generation: C) Lower transfers
across area and increase generation
5. Q5: Interconnection frequency is at 59.85 Hz. The System Operator has not
experienced any disturbances. What does this indicate?
A) Interconnection voltage and load are not balanced
B) Interconnection system loads are higher than on-line generation
C) Collective system generation is higher than system load
D) A loss of load: B) Interconnection system loads are higher than on-line gener-
ation
6. Q6: As a general rule of thumb, a 5% reduction in customer voltage will lead
to what level of reduction in load magnitude?
A) 1.0%
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B) 3.0%
C) 5.0%
D) 6.3%: B) 3.0%
7. Q7: You receive an alarm that indicates low gas pressure on a SF6 transmis-
sion breaker. Indications show the pressure is continuing to drop. What action
would you take?
A) Isolate the breaker and dispatch maintenance personnel to inspect
B) Operate the breaker to see if the alarm will clear
C) Reduce the power flow through the breaker
D) Wait to see if the breaker trips: A) Isolate the breaker and dispatch maintenance
personnel to inspect
8. Q8: Which of the following is used to help balance a system after it separates
from the Interconnection during a disturbance?
A) Automatic Under-Frequency Load Shed {UFlS)
B) Automatic Under-Voltage Load Shed {UVLS)
C) Generator under-frequency trips
D) Automatic Generation Control {AGC): A) Automatic Under-Frequency Load
Shed {UFlS)
9. Q9: In the initial stages of a restoration condition, high transmission sys-
tem voltage problems are more likely than low transmission system voltage
problems. Why?
A) Because of the excessive MVAR supply from too many on-line generators
B) Because of the deficiency in MVAR from too much customer load energiza-
tion
C) Because of the deficiency in MWs from too much customer load energiza-
tion
D) Because of the excessive MVAR supply from the energization of transmis-
sion lines: D) Because of the excessive MVAR supply from the energization of
transmission lines
10. Q10: A system operator has exhausted all available resources and re-dis-
patch options. System voltage continues to decline. What should the system
operator do next?
A) Contact the Reliability Coordinator
B) Shed load in the low voltage area
C) Start a VAR import schedule
D) Check on the under-voltage settings: B) Shed load in the low voltage area
11. Q11: A geomagnetic disturbance is predicted to occur tomorrow. Which
parts of the system are most likely to experience problems?
A) HVDC transmission lines
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1. Q1: For the annual test of an entity's back-up functionality Operating Plan
to be valid, it must demonstrate which of the following?
A) Back-up functionality is maintained for at least 2 continuous hours
B) All shift personnel are comfortable at the backup site
C) Transition time is one hour or less
D) The backup site is secure: A) Back-up functionality is maintained for at least 2
continuous hours
2. Q2: A BA is experiencing low voltage in the northeast region. A 50 MVA
generator in that area is loaded at 50 MWs. What action could a System
Operator take to increase the voltage in that area?
A) Increase generation to overload capacity
B) Decrease reactive power until voltage increases
C) Do nothing; the AVR will take care of it
D) Decrease real power and increase reactive power: D) Decrease real power
and increase reactive power
3. Q3: Maintenance in the area has resulted in the ICCP communication line
being cut to the control room. Which of the following actions is most appro-
priate?
A) Implement the plan for Loss of Control Center Functionality
B) Manually update State Estimator with the most current information
C) Report the loss of ICCP to NERC
D) Switch AGC to Flat Frequency Control: C) Report the loss of ICCP to NERC
4. Q4: A portion of a Reliability Coordinator Area is experiencing low voltage.
What Operating Instructions should the RC issue?
A) Lower transfers across area and decrease generation
B) Increase transfers across area and decrease generation
C) Lower transfers across area and increase generation
D) Increase transfers across area and increase generation: C) Lower transfers
across area and increase generation
5. Q5: Interconnection frequency is at 59.85 Hz. The System Operator has not
experienced any disturbances. What does this indicate?
A) Interconnection voltage and load are not balanced
B) Interconnection system loads are higher than on-line generation
C) Collective system generation is higher than system load
D) A loss of load: B) Interconnection system loads are higher than on-line gener-
ation
6. Q6: As a general rule of thumb, a 5% reduction in customer voltage will lead
to what level of reduction in load magnitude?
A) 1.0%
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B) 3.0%
C) 5.0%
D) 6.3%: B) 3.0%
7. Q7: You receive an alarm that indicates low gas pressure on a SF6 transmis-
sion breaker. Indications show the pressure is continuing to drop. What action
would you take?
A) Isolate the breaker and dispatch maintenance personnel to inspect
B) Operate the breaker to see if the alarm will clear
C) Reduce the power flow through the breaker
D) Wait to see if the breaker trips: A) Isolate the breaker and dispatch maintenance
personnel to inspect
8. Q8: Which of the following is used to help balance a system after it separates
from the Interconnection during a disturbance?
A) Automatic Under-Frequency Load Shed {UFlS)
B) Automatic Under-Voltage Load Shed {UVLS)
C) Generator under-frequency trips
D) Automatic Generation Control {AGC): A) Automatic Under-Frequency Load
Shed {UFlS)
9. Q9: In the initial stages of a restoration condition, high transmission sys-
tem voltage problems are more likely than low transmission system voltage
problems. Why?
A) Because of the excessive MVAR supply from too many on-line generators
B) Because of the deficiency in MVAR from too much customer load energiza-
tion
C) Because of the deficiency in MWs from too much customer load energiza-
tion
D) Because of the excessive MVAR supply from the energization of transmis-
sion lines: D) Because of the excessive MVAR supply from the energization of
transmission lines
10. Q10: A system operator has exhausted all available resources and re-dis-
patch options. System voltage continues to decline. What should the system
operator do next?
A) Contact the Reliability Coordinator
B) Shed load in the low voltage area
C) Start a VAR import schedule
D) Check on the under-voltage settings: B) Shed load in the low voltage area
11. Q11: A geomagnetic disturbance is predicted to occur tomorrow. Which
parts of the system are most likely to experience problems?
A) HVDC transmission lines
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