NERC PRACTICE TEST SET 6 QUESTIONS AND ANSWERS
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d. Transformers exposed to over heating
What is the anticipated impact to operations during this
event?
a. AGC will operate in flat frequency control
b. Frequency will operate abnormally erratic
c. Spinning reserves will be at minimum
d. Transformers exposed to over heating
b. RCIS
An Energy Emergency Alert must be communicated to the Interconnection by which
means?
a. RTU
b. RCIS
c. ICCP
d. NERC-Net
d. ACE value will not change due to the disturbance
The Frequency Bias Setting is equal to the frequency response of Balancing Authority
X. A frequency decline caused by a sudden loss of generation in an external balancing
area will result in which of the following for Balancing Authority X?
a. ACE will calculate and result in governor generator increase as expected
b. ACE will be a negative value and AGC will increase generation
c. ACE will be a positive value and AGC will lower generation
d. ACE value will not change due to the disturbance
b. Combustion Turbine
Which of the following is the best potential source of non-spinning Contingency
Reserve?
a. Coal plant
b. Combustion Turbine
c. Controllable load resources
d. Increases to interchange schedules
b. Net Actual Interchange would be greater than Scheduled Interchange
A 1500 MW generator trips in another Balancing Authority within the Interconnection.
Frequency drops by 0.04 Hz. Which of the following would you expect to see in your
Balancing Authority Area?
a. Frequency above 60.00 Hz
b. Net Actual Interchange would be greater than Scheduled Interchange
c. Reduction of net generation on your system
d. A very large negative ACE
b. Energize the transformer using the high side winding
, What is the best practice for energizing a step-down transformer?
a. Energize the transformer using the low side winding
b. Energize the transformer using the high side winding
c. Energize the transformer using the high and low side windings simultaneously
d. Energize the transformer using the tertiary winding
b. Positive Inadvertent Interchange for non-deficient Balancing Authorities
Which of the following will likely result when a large generator trips in an
Interconnection?
a. Increase in the Interconnection frequency
b. Positive Inadvertent Interchange for non-deficient Balancing Authorities
c. Decrease in power flow into the deficient Balancing Authority
d. Increase in Interconnection load
a. Photo Voltaic
Which type of solar directly converts the sun light to electricity?
a. Photo Voltaic
b. Concentrated
c. Direct Current
d. Thermal solar
d. Take solar off-line
After the morning winter peak, solar starts to ramp online. Load is lower than expected
as temperatures are warmer than forecasted. All base line coal units are at minimum
load and frequency is rising. What do you do?
a. Trip coal fire base loaded unit
b. Public appeal to increase load
c. EEA declaration
d. Take solar off-line
c. 33 MW, 10 MVAR
What is Load 1 in the diagram below?
a. 48 MW, 16 MVAR
b. 15 MW, 12 MVAR
c. 33 MW, 10 MVAR
d. Cannot be determined
b. Within 1 hour
An explosion and fire at a major substation in your area has resulted in loss of a large
part of your system. Field personnel also report a suspicious vehicle leaving the area of
the substation and sabotage is the likely cause. How long before an OE-417 is required
to be submitted?
a. Within 24 hours or end of next business day
b. Within 1 hour
c. Within 24 hours
d. An OE-417 is not required for this event
a. RCIS
A Reliability coordinator experiences a cyber-attack that causes them to evacuate the
control room. How will the RC disseminate the information to other NERC entities?
a. RCIS
b. OASIS
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d. Transformers exposed to over heating
What is the anticipated impact to operations during this
event?
a. AGC will operate in flat frequency control
b. Frequency will operate abnormally erratic
c. Spinning reserves will be at minimum
d. Transformers exposed to over heating
b. RCIS
An Energy Emergency Alert must be communicated to the Interconnection by which
means?
a. RTU
b. RCIS
c. ICCP
d. NERC-Net
d. ACE value will not change due to the disturbance
The Frequency Bias Setting is equal to the frequency response of Balancing Authority
X. A frequency decline caused by a sudden loss of generation in an external balancing
area will result in which of the following for Balancing Authority X?
a. ACE will calculate and result in governor generator increase as expected
b. ACE will be a negative value and AGC will increase generation
c. ACE will be a positive value and AGC will lower generation
d. ACE value will not change due to the disturbance
b. Combustion Turbine
Which of the following is the best potential source of non-spinning Contingency
Reserve?
a. Coal plant
b. Combustion Turbine
c. Controllable load resources
d. Increases to interchange schedules
b. Net Actual Interchange would be greater than Scheduled Interchange
A 1500 MW generator trips in another Balancing Authority within the Interconnection.
Frequency drops by 0.04 Hz. Which of the following would you expect to see in your
Balancing Authority Area?
a. Frequency above 60.00 Hz
b. Net Actual Interchange would be greater than Scheduled Interchange
c. Reduction of net generation on your system
d. A very large negative ACE
b. Energize the transformer using the high side winding
, What is the best practice for energizing a step-down transformer?
a. Energize the transformer using the low side winding
b. Energize the transformer using the high side winding
c. Energize the transformer using the high and low side windings simultaneously
d. Energize the transformer using the tertiary winding
b. Positive Inadvertent Interchange for non-deficient Balancing Authorities
Which of the following will likely result when a large generator trips in an
Interconnection?
a. Increase in the Interconnection frequency
b. Positive Inadvertent Interchange for non-deficient Balancing Authorities
c. Decrease in power flow into the deficient Balancing Authority
d. Increase in Interconnection load
a. Photo Voltaic
Which type of solar directly converts the sun light to electricity?
a. Photo Voltaic
b. Concentrated
c. Direct Current
d. Thermal solar
d. Take solar off-line
After the morning winter peak, solar starts to ramp online. Load is lower than expected
as temperatures are warmer than forecasted. All base line coal units are at minimum
load and frequency is rising. What do you do?
a. Trip coal fire base loaded unit
b. Public appeal to increase load
c. EEA declaration
d. Take solar off-line
c. 33 MW, 10 MVAR
What is Load 1 in the diagram below?
a. 48 MW, 16 MVAR
b. 15 MW, 12 MVAR
c. 33 MW, 10 MVAR
d. Cannot be determined
b. Within 1 hour
An explosion and fire at a major substation in your area has resulted in loss of a large
part of your system. Field personnel also report a suspicious vehicle leaving the area of
the substation and sabotage is the likely cause. How long before an OE-417 is required
to be submitted?
a. Within 24 hours or end of next business day
b. Within 1 hour
c. Within 24 hours
d. An OE-417 is not required for this event
a. RCIS
A Reliability coordinator experiences a cyber-attack that causes them to evacuate the
control room. How will the RC disseminate the information to other NERC entities?
a. RCIS
b. OASIS
