PJM Practice questions & Answers(RATED
A+)
A Heavy Load Voltage Schedule Warning is typically issued ___ prior to actual
implementation. - ANSWER c. 4 hours
The following would be considered non-critical plant load (Select 2) - ANSWER A.
Office Area Air Conditioners
C. Lighting
During a Cold Weather Alert, PJM will take which of the actions - 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: - 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 - ANSWER C.
50 MW
PJM can issue the Deploy All Resources Action for - 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? - ANSWER B. 25MW
Which of the following steps would PJM take as part of initiating Conservative
Operations? (Select 2) - 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 ____ - 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 - ANSWER A. Imminent Threat Alert
What is the requested response time for members to reply to a request for SSR data? -
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
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 - 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? - 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? - ANSWER B. Master Coordinator
One of the leading causes of the 1999 Low Voltage event in PJM was ___ - 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? -
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? - ANSWER D. 60 min
During the PJM Peak Period Maintenance Season whit is the max amount of
consecutive days the outage can last? - 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 - 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? - 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 -
ANSWER D. 5%
Even if no changes are made, MOCs/GOs must review and confirm their unit reactive
capability via eDARt how ofter? - ANSWER D. Twice per year
What is the penalty for units that do not meet their stated reactive capability during
reactive capability - ANSWER B. There is no penalty
When submitted expected capability for "new" units, what reactive capability should be
used? - ANSWER B. Vendor supplied D-curves
, Which of the following statements would be considered as an implication from receiving
power from an outside entity? - ANSWER B. Unintentional interconnection between the
two areas
Which of the following statements is correct concerning PJM assuming frequency of the
restoration process? - ANSWER B. Whenever it becomes too much of a burden for any
one transmission owner within the RTO
Factors that help to determine the sequence of restoration of offline generation include:
- ANSWER A. Unit availability
D. Generation type
Concerning the PJM requirements for critical Blackstart Generation, which of the
following statements applies to the unit's capability to maintain frequency? (select 2) -
ANSWER A. Picking up an isolated block of loads
D. Dynamic offline testing of the unit's governor control
Which of the following would be considered pre-tie preparations when interconnecting
islands? (Select 2)
A. Identification of the transmission line to tie areas together
B. Recalculation of reserves
C. Provide updated hydroelectric capability
D. Ensure reliable communications are available for all entities involved in the
interconnection process - ANSWER A. Identification of the transmission line to tie areas
together
D. Ensure reliable communications are available for all entities involved in the
interconnection process
According to the NERC Standard EOP-005-2, Requirement 9, each TOP shall have
Blackstart Testing requirements in place to verify the capability of each generation
resource to meet the restoration plan requirements. Under this process, each generator
shall be tested at least once every - ANSWER B. 3 years
Which of the following statements is TRUE concerning a system voltage collapse?
(Select 2) - ANSWER B. Through analysis, the boundaries of separation can be
predicted in advance of a voltage collapse
C. Low reactive loading will cause a deficit in MVAR supply
Transmission Owners must include available cranking power and transmission paths in
their individual restoration manuals
True or False - ANSWER True
A+)
A Heavy Load Voltage Schedule Warning is typically issued ___ prior to actual
implementation. - ANSWER c. 4 hours
The following would be considered non-critical plant load (Select 2) - ANSWER A.
Office Area Air Conditioners
C. Lighting
During a Cold Weather Alert, PJM will take which of the actions - 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: - 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 - ANSWER C.
50 MW
PJM can issue the Deploy All Resources Action for - 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? - ANSWER B. 25MW
Which of the following steps would PJM take as part of initiating Conservative
Operations? (Select 2) - 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 ____ - 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 - ANSWER A. Imminent Threat Alert
What is the requested response time for members to reply to a request for SSR data? -
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
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 - 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? - 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? - ANSWER B. Master Coordinator
One of the leading causes of the 1999 Low Voltage event in PJM was ___ - 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? -
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? - ANSWER D. 60 min
During the PJM Peak Period Maintenance Season whit is the max amount of
consecutive days the outage can last? - 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 - 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? - 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 -
ANSWER D. 5%
Even if no changes are made, MOCs/GOs must review and confirm their unit reactive
capability via eDARt how ofter? - ANSWER D. Twice per year
What is the penalty for units that do not meet their stated reactive capability during
reactive capability - ANSWER B. There is no penalty
When submitted expected capability for "new" units, what reactive capability should be
used? - ANSWER B. Vendor supplied D-curves
, Which of the following statements would be considered as an implication from receiving
power from an outside entity? - ANSWER B. Unintentional interconnection between the
two areas
Which of the following statements is correct concerning PJM assuming frequency of the
restoration process? - ANSWER B. Whenever it becomes too much of a burden for any
one transmission owner within the RTO
Factors that help to determine the sequence of restoration of offline generation include:
- ANSWER A. Unit availability
D. Generation type
Concerning the PJM requirements for critical Blackstart Generation, which of the
following statements applies to the unit's capability to maintain frequency? (select 2) -
ANSWER A. Picking up an isolated block of loads
D. Dynamic offline testing of the unit's governor control
Which of the following would be considered pre-tie preparations when interconnecting
islands? (Select 2)
A. Identification of the transmission line to tie areas together
B. Recalculation of reserves
C. Provide updated hydroelectric capability
D. Ensure reliable communications are available for all entities involved in the
interconnection process - ANSWER A. Identification of the transmission line to tie areas
together
D. Ensure reliable communications are available for all entities involved in the
interconnection process
According to the NERC Standard EOP-005-2, Requirement 9, each TOP shall have
Blackstart Testing requirements in place to verify the capability of each generation
resource to meet the restoration plan requirements. Under this process, each generator
shall be tested at least once every - ANSWER B. 3 years
Which of the following statements is TRUE concerning a system voltage collapse?
(Select 2) - ANSWER B. Through analysis, the boundaries of separation can be
predicted in advance of a voltage collapse
C. Low reactive loading will cause a deficit in MVAR supply
Transmission Owners must include available cranking power and transmission paths in
their individual restoration manuals
True or False - ANSWER True
