PJM Practice questions with
Correct Answers 100% Pass
A Heavy Load Voltage Schedule Warning is typically issued ___ prior to actual
implementation. - CORRECT ANSWER-c. 4 hours
The following would be considered non-critical plant load (Select 2) - CORRECT
ANSWER-A. Office Area Air Conditioners
C. Lighting
During a Cold Weather Alert, PJM will take which of the actions - CORRECT
ANSWER-D. Assume an unavailability rate for schedule generation
When PJM issues a High System Voltage Message, the GO should have its units
operate at: - CORRECT ANSWER-B. The lower end of their voltage bandwidth
What would the reportable Emergency Reducible Generation be if the Generator
Output is 400 MW, Economic Min is 225 MW and the Emergency Min is 175 MW
- CORRECT ANSWER-C. 50 MW
PJM can issue the Deploy All Resources Action for - CORRECT ANSWER-D.
The entire RTO, specific Control Zones, or a subset of a Control Zone if
transmission limitations exist
,PJM has issued a Minimum Generation Alert. Your current generation is 200 MW.
The Economic Minimum is 150 MW and the Emergency Min is 125 MW. How
much ERG should be reported for this unit? - CORRECT ANSWER-B. 25MW
Which of the following steps would PJM take as part of initiating Conservative
Operations? (Select 2) - CORRECT ANSWER-A. Perform job studies looking at
the loss of multiple pieces of equipment as a single event
C. Initiate additional off-cost operation to limit or reduce flows across critical
interfaces
The purpose of the Deploy All Resources Action is to instruct all generating
resources to be on line and at full output ____ - CORRECT ANSWER-D.
Immediately upon receipt of dispatch instructions
Under the National Terrorism Advisory System (NTAS) there are two types of
alerts: Elevated Threat Alert and - CORRECT ANSWER-A. Imminent Threat
Alert
What is the requested response time for members to reply to a request for SSR
data? - CORRECT ANSWER-A. 10 minutes
You are a Generation Owner with the following units. PJM has just requested a
Supplementary Status Report (SSR). what do you report as your total "On Cost"
Steam Capacity
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,U1: ECO max, 145 - EMR max 145 Current output 140
U2 ECO max, 550 - EMR max 145 Current output 400
U3 ECO max, 400, EMR max 410 Current output - CORRECT ANSWER-
1095MW
Why does PJM require an additional notification time of Unit testing 30 minutes
prior to the GO/MOC performing the reactive capability testing? - CORRECT
ANSWER-C. To allow PJM and TOs to make adjustments to system voltages
prior to test
When an outage requires verbal notification to PJM which PJM personnel should
be contacted? - CORRECT ANSWER-B. Master Coordinator
One of the leading causes of the 1999 Low Voltage event in PJM was ___ -
CORRECT ANSWER-B. PJM's EMS at that time had only nameplate D-curve
data for
With whom does PJM share the results of generation reactive capability tests? -
CORRECT ANSWER-A. The affected TO
With the exception of intermittent resources, Over-excited (Lagging) test results
are the values of MVAR output that can be sustained for how long? - CORRECT
ANSWER-D. 60 min
, During the PJM Peak Period Maintenance Season whit is the max amount of
consecutive days the outage can last? - CORRECT ANSWER-C. 9
When PJM requests a Reactive Reserve Check (RRC), how does the GO/MOC
report limitations or restrictions on their unit which would prevent it from being
able to follow it's reactive capability curve as recorded in eDART - CORRECT
ANSWER-A. By notifying the effect TO
What is the min time needed to submit a reactive capability test ticket via eDARt
prior to performing the test? - CORRECT ANSWER-C. 3 business days
A unit (or intermittent facility) will be considered as having passed their capability
test and require no further action if their test results are within ___ of the stated
limits - CORRECT ANSWER-D. 5%
Even if no changes are made, MOCs/GOs must review and confirm their unit
reactive capability via eDARt how ofter? - CORRECT ANSWER-D. Twice per
year
What is the penalty for units that do not meet their stated reactive capability during
reactive capability - CORRECT ANSWER-B. There is no penalty
When submitted expected capability for "new" units, what reactive capability
should be used? - CORRECT ANSWER-B. Vendor supplied D-curves
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Correct Answers 100% Pass
A Heavy Load Voltage Schedule Warning is typically issued ___ prior to actual
implementation. - CORRECT ANSWER-c. 4 hours
The following would be considered non-critical plant load (Select 2) - CORRECT
ANSWER-A. Office Area Air Conditioners
C. Lighting
During a Cold Weather Alert, PJM will take which of the actions - CORRECT
ANSWER-D. Assume an unavailability rate for schedule generation
When PJM issues a High System Voltage Message, the GO should have its units
operate at: - CORRECT ANSWER-B. The lower end of their voltage bandwidth
What would the reportable Emergency Reducible Generation be if the Generator
Output is 400 MW, Economic Min is 225 MW and the Emergency Min is 175 MW
- CORRECT ANSWER-C. 50 MW
PJM can issue the Deploy All Resources Action for - CORRECT ANSWER-D.
The entire RTO, specific Control Zones, or a subset of a Control Zone if
transmission limitations exist
,PJM has issued a Minimum Generation Alert. Your current generation is 200 MW.
The Economic Minimum is 150 MW and the Emergency Min is 125 MW. How
much ERG should be reported for this unit? - CORRECT ANSWER-B. 25MW
Which of the following steps would PJM take as part of initiating Conservative
Operations? (Select 2) - CORRECT ANSWER-A. Perform job studies looking at
the loss of multiple pieces of equipment as a single event
C. Initiate additional off-cost operation to limit or reduce flows across critical
interfaces
The purpose of the Deploy All Resources Action is to instruct all generating
resources to be on line and at full output ____ - CORRECT ANSWER-D.
Immediately upon receipt of dispatch instructions
Under the National Terrorism Advisory System (NTAS) there are two types of
alerts: Elevated Threat Alert and - CORRECT ANSWER-A. Imminent Threat
Alert
What is the requested response time for members to reply to a request for SSR
data? - CORRECT ANSWER-A. 10 minutes
You are a Generation Owner with the following units. PJM has just requested a
Supplementary Status Report (SSR). what do you report as your total "On Cost"
Steam Capacity
COPYRIGHT ALL RIGHTS RESERVED ©️ 2025
,U1: ECO max, 145 - EMR max 145 Current output 140
U2 ECO max, 550 - EMR max 145 Current output 400
U3 ECO max, 400, EMR max 410 Current output - CORRECT ANSWER-
1095MW
Why does PJM require an additional notification time of Unit testing 30 minutes
prior to the GO/MOC performing the reactive capability testing? - CORRECT
ANSWER-C. To allow PJM and TOs to make adjustments to system voltages
prior to test
When an outage requires verbal notification to PJM which PJM personnel should
be contacted? - CORRECT ANSWER-B. Master Coordinator
One of the leading causes of the 1999 Low Voltage event in PJM was ___ -
CORRECT ANSWER-B. PJM's EMS at that time had only nameplate D-curve
data for
With whom does PJM share the results of generation reactive capability tests? -
CORRECT ANSWER-A. The affected TO
With the exception of intermittent resources, Over-excited (Lagging) test results
are the values of MVAR output that can be sustained for how long? - CORRECT
ANSWER-D. 60 min
, During the PJM Peak Period Maintenance Season whit is the max amount of
consecutive days the outage can last? - CORRECT ANSWER-C. 9
When PJM requests a Reactive Reserve Check (RRC), how does the GO/MOC
report limitations or restrictions on their unit which would prevent it from being
able to follow it's reactive capability curve as recorded in eDART - CORRECT
ANSWER-A. By notifying the effect TO
What is the min time needed to submit a reactive capability test ticket via eDARt
prior to performing the test? - CORRECT ANSWER-C. 3 business days
A unit (or intermittent facility) will be considered as having passed their capability
test and require no further action if their test results are within ___ of the stated
limits - CORRECT ANSWER-D. 5%
Even if no changes are made, MOCs/GOs must review and confirm their unit
reactive capability via eDARt how ofter? - CORRECT ANSWER-D. Twice per
year
What is the penalty for units that do not meet their stated reactive capability during
reactive capability - CORRECT ANSWER-B. There is no penalty
When submitted expected capability for "new" units, what reactive capability
should be used? - CORRECT ANSWER-B. Vendor supplied D-curves
COPYRIGHT ALL RIGHTS RESERVED ©️ 2025
