PJM Gen Cert UPDATED Exam Questions
and CORRECT Answers
Real time transmission constraints or contingencies may be alleviated with generators
operating.... - CORRECT ANSWER -off cost (out of merit)
Monitoring LMP may give insights into.... - CORRECT ANSWER -system constraints
PJM calls for which of the following to recover the ACE so that tie line schedules are
maintained? - CORRECT ANSWER -synchronized reserves
If not cancelled by PJM, the minimum generation alert expires.... - CORRECT
ANSWER -at the end of the specified load period
When PJM declares a hot weather alert, the generation dispatcher should.... - CORRECT
ANSWER -determine if maintenance can be deferred and notify all generating stations and
key personnel
During system restoration, the two categories of reserves are.... - CORRECT ANSWER -
dynamic and spinning
During System Restoration, frequency should be maintained between.... - CORRECT
ANSWER -59.75 and 61.00 Hz
PJM issues a heavy load voltage schedule. Member companies who own generation should.... -
CORRECT ANSWER -ensure voltage regulators on generating units are in service on
automatic
A unit being dispatched economically by PJM should set its MW output based on the.... -
CORRECT ANSWER -units dispatch rate or desired mw level
, A fossil steam unit is considered fuel limited when it is not capable of running at its maximum
capacity for the next.... - CORRECT ANSWER -72 hours
During system restoration prior to synchronization of a unit, the dispatcher should ensure
sufficient load is available to.... - CORRECT ANSWER -stabilize unit operation
A large unit in an external control area near PJM/PJM West trips. The PJM operator will see
ACE.... - CORRECT ANSWER -remain the same, frequency decrease
LMPs will change.... - CORRECT ANSWER -when marginal generator output changes
The two control signals sent by the PJM EMS are.... - CORRECT ANSWER -Regulation
and dispatch rate/desired mw output
Which of the following one-way communication systems is used to disseminate information to
market operation centers? - CORRECT ANSWER -all call
Real time bus prices may be monitored using.... - CORRECT ANSWER -Data viewer
Which of the following actions is a violation of PJM two settlement market rules? - CORRECT
ANSWER -not offering an available PJM capacity resource into the day ahead market
A unit that fails to start when scheduled, would be classified as which of the following types of
outage? - CORRECT ANSWER -unplanned outage
Maximum generation emergency is declared by PJM when which of the following occurs? -
CORRECT ANSWER -generation is required above the highest incremental economic
system cost
Maintenance outages are permitted when - CORRECT ANSWER -a unit can be held
online until the following Monday, and system reliability is not affected.
and CORRECT Answers
Real time transmission constraints or contingencies may be alleviated with generators
operating.... - CORRECT ANSWER -off cost (out of merit)
Monitoring LMP may give insights into.... - CORRECT ANSWER -system constraints
PJM calls for which of the following to recover the ACE so that tie line schedules are
maintained? - CORRECT ANSWER -synchronized reserves
If not cancelled by PJM, the minimum generation alert expires.... - CORRECT
ANSWER -at the end of the specified load period
When PJM declares a hot weather alert, the generation dispatcher should.... - CORRECT
ANSWER -determine if maintenance can be deferred and notify all generating stations and
key personnel
During system restoration, the two categories of reserves are.... - CORRECT ANSWER -
dynamic and spinning
During System Restoration, frequency should be maintained between.... - CORRECT
ANSWER -59.75 and 61.00 Hz
PJM issues a heavy load voltage schedule. Member companies who own generation should.... -
CORRECT ANSWER -ensure voltage regulators on generating units are in service on
automatic
A unit being dispatched economically by PJM should set its MW output based on the.... -
CORRECT ANSWER -units dispatch rate or desired mw level
, A fossil steam unit is considered fuel limited when it is not capable of running at its maximum
capacity for the next.... - CORRECT ANSWER -72 hours
During system restoration prior to synchronization of a unit, the dispatcher should ensure
sufficient load is available to.... - CORRECT ANSWER -stabilize unit operation
A large unit in an external control area near PJM/PJM West trips. The PJM operator will see
ACE.... - CORRECT ANSWER -remain the same, frequency decrease
LMPs will change.... - CORRECT ANSWER -when marginal generator output changes
The two control signals sent by the PJM EMS are.... - CORRECT ANSWER -Regulation
and dispatch rate/desired mw output
Which of the following one-way communication systems is used to disseminate information to
market operation centers? - CORRECT ANSWER -all call
Real time bus prices may be monitored using.... - CORRECT ANSWER -Data viewer
Which of the following actions is a violation of PJM two settlement market rules? - CORRECT
ANSWER -not offering an available PJM capacity resource into the day ahead market
A unit that fails to start when scheduled, would be classified as which of the following types of
outage? - CORRECT ANSWER -unplanned outage
Maximum generation emergency is declared by PJM when which of the following occurs? -
CORRECT ANSWER -generation is required above the highest incremental economic
system cost
Maintenance outages are permitted when - CORRECT ANSWER -a unit can be held
online until the following Monday, and system reliability is not affected.
