NERC Exam Questions with Complete
Solutions6
A portion of a RC Area is experiencing low voltage. What Operating Instructions should the RC
issue?*
a) Lower transfers across the area and decrease generation
b) Increase transfers across the area and decrease generation
c) Lower transfers across the area and increase generation
d) Increase transfers across the area and increase generation - ANSWERS-c) Lower transfers
across the area and increase generation
Which of the following is used to help balance a system after it separates from the
Interconnection during a disturbance?
a) Automatic UFLS
b) Automatic UVLS
c) Generator under-frequency trips
d) Automatic Generation Control (AGC) - ANSWERS-a) Automatic UFLS
A geomagnetic disturbance is predicted to occur tomorrow. Which parts of the system are most
likely to experience problems?
a) HVDC transmission lines
b) Delta connected transformers
c) Wye connected transformers
, d) Large Generators - ANSWERS-c) Wye connected transformers
A severe disturbance has caused a total system shutdown. You are in the process of initiating
system restoration procedures. An open all breaker command is an option on your EMS system.
What would be the consequences of using this command?
a) Restoration would take longer
b) Critical substation battery would be depleted
c) Visual inspection is needed prior to breaker operation
d) Control of breaker operations would be lost. - ANSWERS-b) Critical substation battery would
be depleted
During system restoration to the generator facility which of the following Transmission lines
would be the best choice to energize the facility?
a) 10-mile, overhead transmission line
b) 10-mile, underground transmission line
c) 25-mile, overhead transmission line
d) 25-mile, underground transmission line - ANSWERS-a) 10-mile, overhead transmission line
A BA that is experiencing an operating capacity or energy emergency shall communicate its
current and future system conditions to:
a) Only neighboring BAs
b) Its RC and all BAs in the Interconnection
c) All neighboring TOs
d) Its RC - ANSWERS-d) Its RC
Solutions6
A portion of a RC Area is experiencing low voltage. What Operating Instructions should the RC
issue?*
a) Lower transfers across the area and decrease generation
b) Increase transfers across the area and decrease generation
c) Lower transfers across the area and increase generation
d) Increase transfers across the area and increase generation - ANSWERS-c) Lower transfers
across the area and increase generation
Which of the following is used to help balance a system after it separates from the
Interconnection during a disturbance?
a) Automatic UFLS
b) Automatic UVLS
c) Generator under-frequency trips
d) Automatic Generation Control (AGC) - ANSWERS-a) Automatic UFLS
A geomagnetic disturbance is predicted to occur tomorrow. Which parts of the system are most
likely to experience problems?
a) HVDC transmission lines
b) Delta connected transformers
c) Wye connected transformers
, d) Large Generators - ANSWERS-c) Wye connected transformers
A severe disturbance has caused a total system shutdown. You are in the process of initiating
system restoration procedures. An open all breaker command is an option on your EMS system.
What would be the consequences of using this command?
a) Restoration would take longer
b) Critical substation battery would be depleted
c) Visual inspection is needed prior to breaker operation
d) Control of breaker operations would be lost. - ANSWERS-b) Critical substation battery would
be depleted
During system restoration to the generator facility which of the following Transmission lines
would be the best choice to energize the facility?
a) 10-mile, overhead transmission line
b) 10-mile, underground transmission line
c) 25-mile, overhead transmission line
d) 25-mile, underground transmission line - ANSWERS-a) 10-mile, overhead transmission line
A BA that is experiencing an operating capacity or energy emergency shall communicate its
current and future system conditions to:
a) Only neighboring BAs
b) Its RC and all BAs in the Interconnection
c) All neighboring TOs
d) Its RC - ANSWERS-d) Its RC