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1. PJM assumes frequency control once:
A) A tie with NYISO is established
B) An Area Control Error (ACE) can be calculated
C) A stable backbone and islands are synchronized
D) Any TO requests PJM to assume control
Answer: C
2. During initial restoration, who has frequency control?
A) Generator Operators
B) Transmission Owners
C) PJM Dispatch
D) Regional regulators
Answer: B
3. PJM assumes frequency control once:
A) It becomes too burdensome for TOs
B) A governor droop is at 5%
C) Nuclear units are online
D) Synchronous condensers are engaged
Answer: A
4. Which of the following is true concerning blackouts?
A) They are only possible at peak load levels
B) They are only caused by Human Error
C) They could occur at any time or any load level
D) They cannot happen in PJM because of PJM's operating philosophies -
ANSWER C) They could occur at any time or any load level
,5. For each transmission zone that has a critical load requirement PJM will
ensure at a minimum the allocation of how many Black Start resources?
A) 1
B) 2
C) 3
D) 4 - ANSWER B) 2
6. During a restoration process you have 6,000MW of customer demand
restored and frequency drop by 1 Hz how much load needs to be shed to
restore frequency back to where it was prior to the disturbance?
A) 180MW to 360MW
B) 300MW to 480MW
C) 360MW to 600MW
D) 480MW to 720MW - ANSWER C) 360MW to 600MW
7. Transition of control from TOs to PJM must be:
A) Gradual and coordinated
B) Immediate after blackout
C) Only after Eastern Interconnection tie
D) At the discretion of each generator
Answer: A
8. Why must TOs release frequency control?
A) PJM ensures regional balance across multiple TO zones
B) PJM can adjust load shedding
C) PJM runs nuclear plant cooling
, D) NERC requires FERC authorization
Answer: A
9. When PJM assumes frequency control, operators must:
A) Disable governors
B) Report ACE to PJM
C) Follow PJM dispatch instructions
D) Synchronize automatically
Answer: C
10.PJM assumes voltage control through:
A) AVR coordination
B) Generator excitation
C) Shunt devices
D) All of the above
Answer: D
11.ACE is used for:
A) Balancing real power interchange
B) Measuring frequency offset
C) Dispatching reserves
D) All of the above
Answer: D
12.Before PJM assumes control, TOs manage frequency by:
A) Adjusting load manually
B) Governor response
C) Manual dispatch of small units
D) Droop settings
Answer: B & D
13.PJM assuming frequency control ensures:
A) Coordinated interconnection restoration
B) Avoiding TO island oscillations
C) A single balancing authority
, D) All of the above
Answer: D
Module 2: Priority for Cranking Power (Blackstart Resources)
1. Priority for cranking power is given to:
A) Hot units
B) Nuclear units
C) Hydro first, always
D) Diesel engines
Answer: A
2. Hot units are prioritized because:
A) They can return to service immediately
B) They need minimal auxiliary power
C) They stabilize frequency faster
D) All of the above
Answer: D
3. Warm units typically need:
A) 2–4 hours
B) 4–8 hours
C) 8–24 hours
D) 48+ hours
Answer: B
4. Blackstart units are important because they:
A) Provide initial cranking power
B) Require no external power source
C) Form the base of restoration islands
D) All of the above
Answer: D