PJM GENERATION DISPATCH EXAM 200 QUESTIONS
& CORRECT ANSWERS LATEST 2025
Which of the following statements is correct concerning PJM assuming frequency
control of the restoration process?
A) PJM assumes control once an external transmission tie has been established.
B) Once an Area Control Error can be calculated, PJM will assume control.
C) Whenever it becomes too much of a burden for any one Transmission Owner
within the RTO
D) Whenever the Transmission Owners within the RTO agree to let PJM control
the process. - ANSWER-C) Whenever it becomes too much of a burden for any
one Transmission Owner within the RTO
During black start restoration, priority access to cranking power should be given
to:
A) Hot units that can return to service immediately.
B) Combustion turbines in areas where the initial disturbance occurred
C)Units with black start capability
D) Hydro Units - ANSWER-A) Hot units that can return to service immediately.
During a restoration, if you are presented with the opportunity to re-connect with
the Eastern Interconnection, you should:
,A)Not pursue this opportunity because you may cause the Eastern
Interconnection to become unstable.
B) Pursue this opportunity only when you have adequate Dynamic Reserves on
your system
C) Pursue this opportunity as quickly as possible
D) Pursue this opportunity only if you need cranking power for your generating
unity - ANSWER-C) Pursue this opportunity as quickly as possible
Complete (Total System) Blackouts are characterized by which of the following?
1 - Most common type of blackout
2 - May require coordinating multiple islands
3 - Likely to result in Transmission overloads or other issues
4 - Affects a very large geographical area, and many customers
5 - Most commonly caused by human or switching errors
A) 1 & 3
B) 2 & 4
C) 3 & 5
D) 1 - ANSWER-B) 2 & 4
The first step in a system restoration would be to:
A) Immediately notify the media of the event
,B) Restore as much of the area load as possible
C) Restore as much under-frequency load as possible
D) Verify that communication is functional with your neighbors - ANSWER-D)
Verify that communication is functional with your neighbors
Why would an offsite power to generating facilities be a priority during the
restoration process?
A) To provide safe shutdown power for the units
B) To meet FERC requirements
C) To provide adequate lighting for the plant operators to attempt a restart
D) To prepare and expedite the return of the unit - ANSWER-D) To prepare and
expedite the return of the unit
Factors that help determine the sequence of restoration of off-line generation
include (Pick 2):
-Generation Type
-Unloaded Capacity
-Unit Availability
-Stability of the Generator - ANSWER--Generation Type
-Unit Availability
How often should a Transmission company file an updated restoration report with
PJM?
, 1 - Every 30 minutes
2 - Every hour
3 - Every 10 lines that have been restored
4 - Every 5 lines that have been restored
A) 1 & 4
B) 2 & 3
C) 1 & 3
D) 2 & 4 - ANSWER-C) 1 & 3
Which of the following statements are true concerning delays in restoring
auxiliary power to off-line generation?
1 - The unit could suffer turbine shaft damage
2 - The fuel oil for the unit could congeal
3 - The startup time for the unit will be reduced
4 - The battery life used to maintain critical systems may run out
A) 1, 2 and 3
B) 1, 2 and 4
C) 1, 3 and 4
D) 2, 3 and 4 - ANSWER-B) 1, 2 and 4
During system restoration, the two categories of reserves are:
& CORRECT ANSWERS LATEST 2025
Which of the following statements is correct concerning PJM assuming frequency
control of the restoration process?
A) PJM assumes control once an external transmission tie has been established.
B) Once an Area Control Error can be calculated, PJM will assume control.
C) Whenever it becomes too much of a burden for any one Transmission Owner
within the RTO
D) Whenever the Transmission Owners within the RTO agree to let PJM control
the process. - ANSWER-C) Whenever it becomes too much of a burden for any
one Transmission Owner within the RTO
During black start restoration, priority access to cranking power should be given
to:
A) Hot units that can return to service immediately.
B) Combustion turbines in areas where the initial disturbance occurred
C)Units with black start capability
D) Hydro Units - ANSWER-A) Hot units that can return to service immediately.
During a restoration, if you are presented with the opportunity to re-connect with
the Eastern Interconnection, you should:
,A)Not pursue this opportunity because you may cause the Eastern
Interconnection to become unstable.
B) Pursue this opportunity only when you have adequate Dynamic Reserves on
your system
C) Pursue this opportunity as quickly as possible
D) Pursue this opportunity only if you need cranking power for your generating
unity - ANSWER-C) Pursue this opportunity as quickly as possible
Complete (Total System) Blackouts are characterized by which of the following?
1 - Most common type of blackout
2 - May require coordinating multiple islands
3 - Likely to result in Transmission overloads or other issues
4 - Affects a very large geographical area, and many customers
5 - Most commonly caused by human or switching errors
A) 1 & 3
B) 2 & 4
C) 3 & 5
D) 1 - ANSWER-B) 2 & 4
The first step in a system restoration would be to:
A) Immediately notify the media of the event
,B) Restore as much of the area load as possible
C) Restore as much under-frequency load as possible
D) Verify that communication is functional with your neighbors - ANSWER-D)
Verify that communication is functional with your neighbors
Why would an offsite power to generating facilities be a priority during the
restoration process?
A) To provide safe shutdown power for the units
B) To meet FERC requirements
C) To provide adequate lighting for the plant operators to attempt a restart
D) To prepare and expedite the return of the unit - ANSWER-D) To prepare and
expedite the return of the unit
Factors that help determine the sequence of restoration of off-line generation
include (Pick 2):
-Generation Type
-Unloaded Capacity
-Unit Availability
-Stability of the Generator - ANSWER--Generation Type
-Unit Availability
How often should a Transmission company file an updated restoration report with
PJM?
, 1 - Every 30 minutes
2 - Every hour
3 - Every 10 lines that have been restored
4 - Every 5 lines that have been restored
A) 1 & 4
B) 2 & 3
C) 1 & 3
D) 2 & 4 - ANSWER-C) 1 & 3
Which of the following statements are true concerning delays in restoring
auxiliary power to off-line generation?
1 - The unit could suffer turbine shaft damage
2 - The fuel oil for the unit could congeal
3 - The startup time for the unit will be reduced
4 - The battery life used to maintain critical systems may run out
A) 1, 2 and 3
B) 1, 2 and 4
C) 1, 3 and 4
D) 2, 3 and 4 - ANSWER-B) 1, 2 and 4
During system restoration, the two categories of reserves are:
