PJM Test Questions with Correct
Answers 100% 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
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)?
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,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
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%
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,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
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
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, 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
Under normal operating conditions, what is the limit that will provide the lowest
output level of a generating unit? - ANSWER✔✔-Eco Min
When PJM send out a cost signal to generators to adjust their output, the generating
personnel adjust the output of the unit base on the unit's - ANSWER✔✔-price or cost
curve incremental
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Answers 100% 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
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)?
Copyright ©SOPHIABENNETT 2025 ACADEMIC YEARALL RIGHTS RESERVED. Page 1/50
,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
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%
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,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
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
Copyright ©SOPHIABENNETT 2025 ACADEMIC YEARALL RIGHTS RESERVED. Page 3/50
, 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
Under normal operating conditions, what is the limit that will provide the lowest
output level of a generating unit? - ANSWER✔✔-Eco Min
When PJM send out a cost signal to generators to adjust their output, the generating
personnel adjust the output of the unit base on the unit's - ANSWER✔✔-price or cost
curve incremental
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