©THESTAR 2025 ALL RIGHTS RESERVED 11:41 AM A+
PJM Test Exam Questions And Answers
|Latest 2025 | Guaranteed Pass.
Which of the following balancing control modes is used by PJM under normal operations? -
Answer✔Tie-Line Bias
Which of the following influences does PJM consider when performing their system load
forecast? - Answer✔Weather Conditions & Day of the Week
All of the following are limits that must be submitted to PJM for generating units EXCEPT:
1. Eco Min
2. Eco Max
3. Emergency Max
4. Dynamic Instability - Answer✔Dynamic Instability
1|Page
, ©THESTAR 2025 ALL RIGHTS RESERVED 11:41 AM A+
If PJM experienced an event that caused the loss of a 1,000 MW generator, which of the
following would most likely provide the quickest impact to improve the undegenerating Area
Control Area (ACE)?
1. Remedial Action Reserve
2. Synch Reserve
3. Non-Synch Reserve
4. Secondary Reserve - Answer✔Synch Reserve
Your system has experienced an event that caused the frequency to drop below 60.00 Hz, what
would be the most likely event that occurred? - Answer✔A generator on your system tripped
offline
How does the PJM dispatcher inform the Members of the PJM regulation Requirements? -
Answer✔All-Call
In order for your generator to quality to supply regulation in the PJM Regulation market, it must
be able to respond and attain its desired output within how many minutes? - Answer✔5
minutes
2|Page
, ©THESTAR 2025 ALL RIGHTS RESERVED 11:41 AM A+
Based on a generator capability curve, in order to maximize the MVAR output of the generator,
it may be necessary to: - Answer✔decrease the MW output of the unit
PJM maintains a regulation quality standard which states that a generator may be certified to
provide regulation only after it achieves three consecutive regulation test scores of at least -
Answer✔75%
Which of the following would NOT be a cause for a sudden deviation in the balancing area ACE?
1. incorrect interchange number
2. loss of a tie-line RTU
3. loss of internal load
4. loss of adjacent control area generation - Answer✔loss of adjacent control area generation
The primary purpose for the balancing area to have Regulation is to correct for: - Answer✔small
deviations in load
It is necessary for Generation Owner dispatchers to notify PJM of unplanned unit outages: -
Answer✔as soon as practicable
3|Page
, ©THESTAR 2025 ALL RIGHTS RESERVED 11:41 AM A+
PJM should be made aware of any fuel shortage that a generator may experience.
This information assists in analyzing the resources and reliably operating the system. A
heightened awareness is expected during: - Answer✔extreme hot or cold conditions
Generators are required to obtain PJM approval prior to removing a generating unit from
service.
The only exception is for: - Answer✔injury to personnel will be prevented
Prior to removing a self-scheduled generator from service, the PJM member must first -
Answer✔give PJM the option to takeover the unit for the market
When PJM experiences problems with their primary digital control signal, it sometimes
becomes necessary for companies with the capability, to switch to the back-up signal.
This backup signal is known as: - Answer✔Analog control
When PJM sends cost signals to generators, to provide direction for increasing or decreasing
the facility output, this signal that is sent is known as: - Answer✔Dispatch Rate
4|Page
PJM Test Exam Questions And Answers
|Latest 2025 | Guaranteed Pass.
Which of the following balancing control modes is used by PJM under normal operations? -
Answer✔Tie-Line Bias
Which of the following influences does PJM consider when performing their system load
forecast? - Answer✔Weather Conditions & Day of the Week
All of the following are limits that must be submitted to PJM for generating units EXCEPT:
1. Eco Min
2. Eco Max
3. Emergency Max
4. Dynamic Instability - Answer✔Dynamic Instability
1|Page
, ©THESTAR 2025 ALL RIGHTS RESERVED 11:41 AM A+
If PJM experienced an event that caused the loss of a 1,000 MW generator, which of the
following would most likely provide the quickest impact to improve the undegenerating Area
Control Area (ACE)?
1. Remedial Action Reserve
2. Synch Reserve
3. Non-Synch Reserve
4. Secondary Reserve - Answer✔Synch Reserve
Your system has experienced an event that caused the frequency to drop below 60.00 Hz, what
would be the most likely event that occurred? - Answer✔A generator on your system tripped
offline
How does the PJM dispatcher inform the Members of the PJM regulation Requirements? -
Answer✔All-Call
In order for your generator to quality to supply regulation in the PJM Regulation market, it must
be able to respond and attain its desired output within how many minutes? - Answer✔5
minutes
2|Page
, ©THESTAR 2025 ALL RIGHTS RESERVED 11:41 AM A+
Based on a generator capability curve, in order to maximize the MVAR output of the generator,
it may be necessary to: - Answer✔decrease the MW output of the unit
PJM maintains a regulation quality standard which states that a generator may be certified to
provide regulation only after it achieves three consecutive regulation test scores of at least -
Answer✔75%
Which of the following would NOT be a cause for a sudden deviation in the balancing area ACE?
1. incorrect interchange number
2. loss of a tie-line RTU
3. loss of internal load
4. loss of adjacent control area generation - Answer✔loss of adjacent control area generation
The primary purpose for the balancing area to have Regulation is to correct for: - Answer✔small
deviations in load
It is necessary for Generation Owner dispatchers to notify PJM of unplanned unit outages: -
Answer✔as soon as practicable
3|Page
, ©THESTAR 2025 ALL RIGHTS RESERVED 11:41 AM A+
PJM should be made aware of any fuel shortage that a generator may experience.
This information assists in analyzing the resources and reliably operating the system. A
heightened awareness is expected during: - Answer✔extreme hot or cold conditions
Generators are required to obtain PJM approval prior to removing a generating unit from
service.
The only exception is for: - Answer✔injury to personnel will be prevented
Prior to removing a self-scheduled generator from service, the PJM member must first -
Answer✔give PJM the option to takeover the unit for the market
When PJM experiences problems with their primary digital control signal, it sometimes
becomes necessary for companies with the capability, to switch to the back-up signal.
This backup signal is known as: - Answer✔Analog control
When PJM sends cost signals to generators, to provide direction for increasing or decreasing
the facility output, this signal that is sent is known as: - Answer✔Dispatch Rate
4|Page
