PJM GENERATION DISPATCH 2025
EXAM NEWEST EXAM AND DETAILED
CORRECT ANSWERS (VERIFIED
ANSWERS) | ALREADY GRADED A+
During a restoration process you have 6,000MW of
customer demand restored and frequency drop by 1 Hz
how much load needs to be shed to restore frequency
back to where it was prior to the disturbance?
A) 180MW to 360MW
B) 300MW to 480MW
C) 360MW to 600MW
D) 480MW to 720MW Correct Answer C) 360MW to
600MW
Which of the following is/are requirements for Black Start
Units? (Pick all that apply)
- Must have and maintain procedures for the unit
- Have the ability to maintain frequency and voltage under
varying load
- Must be tested every 3 years
- Must be able to run for 12 hours, or defined by the TO
restoration plan Correct Answer -Must have and maintain
procedures for the unit
-Have the ability to maintain frequency and voltage under
varying load
- Must be tested every 3 years
,Which of the following statements would be considered an
implication from receiving power from an outside entity?
A) Equipment Damage
B) Isolation of the unit from the outside entity
C) Maximize the time for generator restarts
D) Unintentional interconnection between the two areas
Correct Answer D) Unintentional interconnection between
the two areas
Which of the following would be considered pre-tie
preparations when interconnecting islands? (Select 2)
- Ensure reliable communications are available for all
entities involved in the interconnection process
- Recalculation of reserves
- Identification of the transmission line to tie areas together
- Provide updated hydroelectric capability Correct Answer
- Ensure reliable communications are available for all
entities involved in the interconnection process
- Identification of the transmission line to tie areas together
If a change in the capability of a Black Start resource
affects the ability of a generator to meet the Transmission
Operator's individual restoration plant, the Generation
Operator shall notify the Transmission Operator of the
known changes within.
A) 4 hours
B) 8 hours
,C) 16 hours
D) 24 hours Correct Answer D) 24 hours
During a restoration process, Generation Owners are
required to update their progress by submitting a report:
A) On an hourly basis
B) Every 1/2 hour
C) For every unit returning to service
D) As conditions on the system change Correct Answer A)
On an hourly basis
Concerning PJM requirements for critical start generation,
which of the following statements applies to the units
capability to maintain frequency? ()
A) Dynamic offline testing of the units voltage controls
B) Picking up an isolated block of loads
C) Producing leading and lagging VARs
D) Dynamic Off-line testing of the units governor control
Correct Answer B) Picking up an isolated block of loads
D) Dynamic Off-line testing of the units governor control
During system restoration, a generator should not be
loaded above the level of available
A) operating reserve
B) synchronized reserve
C) primary reserve
D) dynamic reserve Correct Answer D) dynamic reserve
, Dynamic Reserves consist of
A) Governor Reserve and load that has been restored with
under frequency relays
B) Quick-start generation that can be loaded within 10
minutes
C) On-line generation that can be loaded within 10
minutes
D) Customer load that can be manually shed within 10
minutes Correct Answer A) Governor Reserve and load
that has been restored with under frequency relays
Each Generation Operator with a black start resource shall
provide training to each of its operating personnel
responsible for operating the unit at a minimum of
A) One hour of training every two calendar years
B) Two hours of training every two calendar years
C) One hour of training every three calendar years
D) Two hours of training every three calendar years
Correct Answer B) Two hours of training every two
calendar years
Cold load pick-up is best described as
A) Load that is comprised of cooling equipment such as air
conditioning and fans
B) Load which has been de-energized for some time and
has lost its cycling characteristics
C) Load circuits that are equipped with under-frequency
relaying
EXAM NEWEST EXAM AND DETAILED
CORRECT ANSWERS (VERIFIED
ANSWERS) | ALREADY GRADED A+
During a restoration process you have 6,000MW of
customer demand restored and frequency drop by 1 Hz
how much load needs to be shed to restore frequency
back to where it was prior to the disturbance?
A) 180MW to 360MW
B) 300MW to 480MW
C) 360MW to 600MW
D) 480MW to 720MW Correct Answer C) 360MW to
600MW
Which of the following is/are requirements for Black Start
Units? (Pick all that apply)
- Must have and maintain procedures for the unit
- Have the ability to maintain frequency and voltage under
varying load
- Must be tested every 3 years
- Must be able to run for 12 hours, or defined by the TO
restoration plan Correct Answer -Must have and maintain
procedures for the unit
-Have the ability to maintain frequency and voltage under
varying load
- Must be tested every 3 years
,Which of the following statements would be considered an
implication from receiving power from an outside entity?
A) Equipment Damage
B) Isolation of the unit from the outside entity
C) Maximize the time for generator restarts
D) Unintentional interconnection between the two areas
Correct Answer D) Unintentional interconnection between
the two areas
Which of the following would be considered pre-tie
preparations when interconnecting islands? (Select 2)
- Ensure reliable communications are available for all
entities involved in the interconnection process
- Recalculation of reserves
- Identification of the transmission line to tie areas together
- Provide updated hydroelectric capability Correct Answer
- Ensure reliable communications are available for all
entities involved in the interconnection process
- Identification of the transmission line to tie areas together
If a change in the capability of a Black Start resource
affects the ability of a generator to meet the Transmission
Operator's individual restoration plant, the Generation
Operator shall notify the Transmission Operator of the
known changes within.
A) 4 hours
B) 8 hours
,C) 16 hours
D) 24 hours Correct Answer D) 24 hours
During a restoration process, Generation Owners are
required to update their progress by submitting a report:
A) On an hourly basis
B) Every 1/2 hour
C) For every unit returning to service
D) As conditions on the system change Correct Answer A)
On an hourly basis
Concerning PJM requirements for critical start generation,
which of the following statements applies to the units
capability to maintain frequency? ()
A) Dynamic offline testing of the units voltage controls
B) Picking up an isolated block of loads
C) Producing leading and lagging VARs
D) Dynamic Off-line testing of the units governor control
Correct Answer B) Picking up an isolated block of loads
D) Dynamic Off-line testing of the units governor control
During system restoration, a generator should not be
loaded above the level of available
A) operating reserve
B) synchronized reserve
C) primary reserve
D) dynamic reserve Correct Answer D) dynamic reserve
, Dynamic Reserves consist of
A) Governor Reserve and load that has been restored with
under frequency relays
B) Quick-start generation that can be loaded within 10
minutes
C) On-line generation that can be loaded within 10
minutes
D) Customer load that can be manually shed within 10
minutes Correct Answer A) Governor Reserve and load
that has been restored with under frequency relays
Each Generation Operator with a black start resource shall
provide training to each of its operating personnel
responsible for operating the unit at a minimum of
A) One hour of training every two calendar years
B) Two hours of training every two calendar years
C) One hour of training every three calendar years
D) Two hours of training every three calendar years
Correct Answer B) Two hours of training every two
calendar years
Cold load pick-up is best described as
A) Load that is comprised of cooling equipment such as air
conditioning and fans
B) Load which has been de-energized for some time and
has lost its cycling characteristics
C) Load circuits that are equipped with under-frequency
relaying
