PJM Generation Dispatcher Test Questions
and Answers
Question 1
During black start restoration, priority access to crankning power should be given to :
A. hot units that can return to service immediately
B. combustion turbines in areas where the initial disturbance occured
C. units with black start capability
D. hydro units
Correct Answer
A. hot units that can return to service immediately
Question 2
A unit that fails to start when scheduled, would be classified as which of the following
types of outage ?
A. planned
B. maintenance
C. unplanned
D. self-scheduled
Correct Answer
C. unplanned
Question 3
PJM limits interchage to a :
A. total interchage of 500 MW
B. total import of 1000 MW every 15 min
C. change in total net interchange of 1000 MW every 15 min
D. total export of 1000 MW every 15 min
Correct Answer
C. change in total net interchange of 1000 MW every 15 min
Page 1 of 13
, Question 4
Which of the following factors does NOT influence the load forecast ?
A. weather
B. temperature
C. day of the week
D. planned generation outages
Correct Answer
D. planned generation outages
Question 5
If PJM ACE shows overgeneration, actual imports are :
A. less than schedules
B. more than scheduled
C. exactly as scheduled
D. on a flat tie line
Correct Answer
A. less than schedules
Question 6
PJM calls for which of the following to recover the ACE so that tie line schedules are
maintained ?
A. IRC ( instantaneous reserve check )
B. synchronized Reserves
C. supplemential reserves
D. minimun generation calculation
Correct Answer
B. synchronized Reserves
Page 2 of 13
and Answers
Question 1
During black start restoration, priority access to crankning power should be given to :
A. hot units that can return to service immediately
B. combustion turbines in areas where the initial disturbance occured
C. units with black start capability
D. hydro units
Correct Answer
A. hot units that can return to service immediately
Question 2
A unit that fails to start when scheduled, would be classified as which of the following
types of outage ?
A. planned
B. maintenance
C. unplanned
D. self-scheduled
Correct Answer
C. unplanned
Question 3
PJM limits interchage to a :
A. total interchage of 500 MW
B. total import of 1000 MW every 15 min
C. change in total net interchange of 1000 MW every 15 min
D. total export of 1000 MW every 15 min
Correct Answer
C. change in total net interchange of 1000 MW every 15 min
Page 1 of 13
, Question 4
Which of the following factors does NOT influence the load forecast ?
A. weather
B. temperature
C. day of the week
D. planned generation outages
Correct Answer
D. planned generation outages
Question 5
If PJM ACE shows overgeneration, actual imports are :
A. less than schedules
B. more than scheduled
C. exactly as scheduled
D. on a flat tie line
Correct Answer
A. less than schedules
Question 6
PJM calls for which of the following to recover the ACE so that tie line schedules are
maintained ?
A. IRC ( instantaneous reserve check )
B. synchronized Reserves
C. supplemential reserves
D. minimun generation calculation
Correct Answer
B. synchronized Reserves
Page 2 of 13
