PJM Test TO Practice Questions and Verified
Answers
1. When SCADA data points are out of service for an extended period of time,
data should
Be updated manually by the operator at least every:
A. 10 minutes
B. 20 minutes
C. 30 minutes
D. 60 minutes: C. 30 minutes
2. PJM requires that LCCs that are starting an outage on reportable transmis-
sion facilities must obtain PJM approval prior to removing the facility from
service. How many minutes prior to the commencement of switching must be
provided for PJM to study and give final approval?
A. 15
B. 30
C. 45
D. 60: B. 30
3. According to PJM emergency procedures, what two types of reserves are
monitored during a system restoration?
A. spinning and regulating
B. primary and secondary
C. dynamic and regulation
D. dynamic and synchronized: D. dynamic and synchronized
4. What are the under frequency relay settings for PJM member companies?
A. 59.30 Hz, 58.90 Hz, 58.50 Hz
B. 59.50 Hz, 58.50 Hz, 57.50 Hz
C. 59.00 Hz, 58.00 Hz, 57.00 Hz
D. 59.70 Hz, 59.50 Hz, 59.30 Hz: A. 59.30 Hz, 58.90 Hz, 58.50 Hz
5. What two components make-up Contingency Reserve?
A. Synchronized and Non-synchronized
B. Non-synchronized and secondary
C. Synchronized and secondary
D. Non-synchronized and regulation: A. Synchronized and Non-synchronized
6. During restoration, if 500 kV transmission lines are being restored, what are
the minimum source requirements for load and generation?
, PJM Test TO Practice Questions and Verified
Answers
A. 10 MW of load per mile and 15 MW of generation per mile
B. 20 MW of load per mile and 30 MW of generation per mile
C. 25 MW of load per mile and 50 MW of generation per mile
D. 30 MW of load per mile and 50 MW of generation per mile: B. 20 MW of load
per mile and 30 MW of generation per mile
7. During restoration situations, dynamic reserve generator load pick-up fac-
tors are
defined as which of the following?
A. Steam capacity -25%, Combustion Turbine capacity -15%, and hydro capac-
ity -5%
B. Steam capacity -5%, Combustion Turbine capacity -15%, and hydro capacity
-25%
C. Steam capacity -5%, Combustion Turbine capacity -25%, and hydro capacity
-15%
D. Steam capacity -15%, Combustion Turbine capacity -10%, and hydro capac-
ity -25%: C. Steam capacity -5%, Combustion Turbine capacity -25%, and hydro
capacity -15%
8. What are the time requirements for a PJM member to submit planned
transmission outages that are used for system planning purposes?
A. 3 days prior to outage
B. 1 week prior to the outage
C. 1 month prior to the outage
D. 12 months prior to the outage: D. 12 months prior to the outage
9. If a 500 kV transmission line is scheduled to be removed from service for
a daily maintenance job, what is the minimum notification time to get final
approval from the PJM operator?
A. 15 minutes
B. 30 minutes
C. 24 hours
D. 72 hours: B. 30 minutes
10. What is the time limit for PJM members to submit transmission outages for
PJM approval?
A. 24 hours
B. 3 business days
Answers
1. When SCADA data points are out of service for an extended period of time,
data should
Be updated manually by the operator at least every:
A. 10 minutes
B. 20 minutes
C. 30 minutes
D. 60 minutes: C. 30 minutes
2. PJM requires that LCCs that are starting an outage on reportable transmis-
sion facilities must obtain PJM approval prior to removing the facility from
service. How many minutes prior to the commencement of switching must be
provided for PJM to study and give final approval?
A. 15
B. 30
C. 45
D. 60: B. 30
3. According to PJM emergency procedures, what two types of reserves are
monitored during a system restoration?
A. spinning and regulating
B. primary and secondary
C. dynamic and regulation
D. dynamic and synchronized: D. dynamic and synchronized
4. What are the under frequency relay settings for PJM member companies?
A. 59.30 Hz, 58.90 Hz, 58.50 Hz
B. 59.50 Hz, 58.50 Hz, 57.50 Hz
C. 59.00 Hz, 58.00 Hz, 57.00 Hz
D. 59.70 Hz, 59.50 Hz, 59.30 Hz: A. 59.30 Hz, 58.90 Hz, 58.50 Hz
5. What two components make-up Contingency Reserve?
A. Synchronized and Non-synchronized
B. Non-synchronized and secondary
C. Synchronized and secondary
D. Non-synchronized and regulation: A. Synchronized and Non-synchronized
6. During restoration, if 500 kV transmission lines are being restored, what are
the minimum source requirements for load and generation?
, PJM Test TO Practice Questions and Verified
Answers
A. 10 MW of load per mile and 15 MW of generation per mile
B. 20 MW of load per mile and 30 MW of generation per mile
C. 25 MW of load per mile and 50 MW of generation per mile
D. 30 MW of load per mile and 50 MW of generation per mile: B. 20 MW of load
per mile and 30 MW of generation per mile
7. During restoration situations, dynamic reserve generator load pick-up fac-
tors are
defined as which of the following?
A. Steam capacity -25%, Combustion Turbine capacity -15%, and hydro capac-
ity -5%
B. Steam capacity -5%, Combustion Turbine capacity -15%, and hydro capacity
-25%
C. Steam capacity -5%, Combustion Turbine capacity -25%, and hydro capacity
-15%
D. Steam capacity -15%, Combustion Turbine capacity -10%, and hydro capac-
ity -25%: C. Steam capacity -5%, Combustion Turbine capacity -25%, and hydro
capacity -15%
8. What are the time requirements for a PJM member to submit planned
transmission outages that are used for system planning purposes?
A. 3 days prior to outage
B. 1 week prior to the outage
C. 1 month prior to the outage
D. 12 months prior to the outage: D. 12 months prior to the outage
9. If a 500 kV transmission line is scheduled to be removed from service for
a daily maintenance job, what is the minimum notification time to get final
approval from the PJM operator?
A. 15 minutes
B. 30 minutes
C. 24 hours
D. 72 hours: B. 30 minutes
10. What is the time limit for PJM members to submit transmission outages for
PJM approval?
A. 24 hours
B. 3 business days
