NERC Exam Assessment UPDATED
ACTUAL Exam Questions and CORRECT
Answers
The ACE equation must include which metered data in addition to the dynamic schedules,
pseudo ties, actual frequency?
A. Generation
B. Transformers
C. Tie Lines
D. Communications - CORRECT ANSWER -C. Tie Lines
A balancing authority is responsible for load - interchange - generation balance, which calculated
value reflects that balance?
A. Frequency
B. System Lambda
C. Operating reserves
D. ACE - CORRECT ANSWER -D. ACE
If interconnection frequency is 59.95 Hz, how do balancing authorities support interconnection
frequency?
A. Remain at current MW output level
B. Increasing MW output
C. Decreasing MW output
D. Increasing excitation on the field windings - CORRECT ANSWER -B. Increasing MW
output
Which control system on the generators would respond to frequency changes?
A. Governor control system
B. Differential relay systems
, C. Special protection systems
D. Automatic voltage regulators - CORRECT ANSWER -A. Governor control system
Which of the following is a quick start generator in the best potential source of non-spinning
contingency reserve?
A. Coal plant
B. Combustion turbine
C. Controllable load resources
D. Increases to interchange schedules - CORRECT ANSWER -B. Combustion turbine
The primary cause of low voltage is:
A. VAR losses associated with heavy power transfers
B. Insufficient generation
C. Insufficient transmission capacity
D. Insufficient shunt reactors in service - CORRECT ANSWER -A. VAR losses
associated with heavy power transfers
System inertia is the ability of a power system to:
A. Increase the speed of the rotation of the units resulting in an increase in system frequency
B. Decrease the speed of the rotation of the units resulting in a decrease in system frequency
C. Oppose changes in frequency due to resistance provided by kinetic energy of the rotating
masses
D. All of the above - CORRECT ANSWER -D. All of the above
Which of the following are dynamic reactive resources?
1. Synchronous condenser
2. Capacitor bank
3. Reactor bank
4. Generator
ACTUAL Exam Questions and CORRECT
Answers
The ACE equation must include which metered data in addition to the dynamic schedules,
pseudo ties, actual frequency?
A. Generation
B. Transformers
C. Tie Lines
D. Communications - CORRECT ANSWER -C. Tie Lines
A balancing authority is responsible for load - interchange - generation balance, which calculated
value reflects that balance?
A. Frequency
B. System Lambda
C. Operating reserves
D. ACE - CORRECT ANSWER -D. ACE
If interconnection frequency is 59.95 Hz, how do balancing authorities support interconnection
frequency?
A. Remain at current MW output level
B. Increasing MW output
C. Decreasing MW output
D. Increasing excitation on the field windings - CORRECT ANSWER -B. Increasing MW
output
Which control system on the generators would respond to frequency changes?
A. Governor control system
B. Differential relay systems
, C. Special protection systems
D. Automatic voltage regulators - CORRECT ANSWER -A. Governor control system
Which of the following is a quick start generator in the best potential source of non-spinning
contingency reserve?
A. Coal plant
B. Combustion turbine
C. Controllable load resources
D. Increases to interchange schedules - CORRECT ANSWER -B. Combustion turbine
The primary cause of low voltage is:
A. VAR losses associated with heavy power transfers
B. Insufficient generation
C. Insufficient transmission capacity
D. Insufficient shunt reactors in service - CORRECT ANSWER -A. VAR losses
associated with heavy power transfers
System inertia is the ability of a power system to:
A. Increase the speed of the rotation of the units resulting in an increase in system frequency
B. Decrease the speed of the rotation of the units resulting in a decrease in system frequency
C. Oppose changes in frequency due to resistance provided by kinetic energy of the rotating
masses
D. All of the above - CORRECT ANSWER -D. All of the above
Which of the following are dynamic reactive resources?
1. Synchronous condenser
2. Capacitor bank
3. Reactor bank
4. Generator
