NERC PRACTICE SET 5

Question 1

If an RC, TOP, or BA determines during annual review of its Operating Plan for control center backup functionality that a change is needed, the plan must be updated and approved within how long?

a. 24 hours
b. 30 calendar days
c. 60 calendar days
d. 30 business days

Answer 1

c. 60 calendar days

Question 2

The Transmission Operator gives an Operating Instruction to the Generator Operator to absorb MVAR. Which of the following is appropriate?

a. Refuse the Operating Instruction
b. Place AVR in manual and increase field current
c. Leave AVR in auto and lower the voltage setpoint
d. Leave AVR in auto and raise the voltage setpoint

Answer 2

c. Leave AVR in auto and lower the voltage setpoint

Question 3

A generator AVR is in manual when a shunt capacitor bank in the area trips offline. Which statement is true?

a. The generator field current remains the same
b. The generator output voltage increases
c. The MW output of the generator increases
d. The generator MVAR output changes to maintain voltage constant

Answer 3

The generator MVAR output changes to maintain voltage constant

Question 4

Which of the following devices is used to control real power flow?

a. Shunt capacitor
b. Shunt reactor
c. ULTC transformer
d. Phase Shifting Transformer

Answer 4

d. Phase Shifting Transformer

Question 5

A 100 MW transaction from area A to area B gets curtailed to 50 MW at half past the hour. What was the MWh delivered from A to B for that hour?

a. 50 MWh
b. 68.5 MWh
c. 75 MWh
d. 150 MWh

Answer 5

c. 75 MWh