E-Plan Flashcards
What is the lowest (least severe) Emergency Plan Classification that REQUIRES assembly per the Emergency Plan?
A. Unusual Event
B. Site Area Emergency
C. Alert
D. General Emergency
Answer: B
The unit has tripped from 75% power
All charging pumps are running
SIAS/CIAS have successfully initiated Pzr level is off scale low
RVLMS indicates complete voiding in the Upper head
RVLMS indicates 21% in the outlet plenum
RCS subcooling has been lost
Which one of the following identifies the minimum Emergency Classification for this event?
A. Site Area Emergency
B. NUE
C. Alert
D. General Emergency
Answer: C
A Site Area Emergency has been declared in Unit 3. The OSC and TSC have been manned. The EC in the TSC has relieved the on-shift EC. The crew determines that ‘B’ DG must be emergency stopped due to an 86 lockout trip of the ‘B’ Spray pond pump. Which one of the following describes who provides the direction to the AO to perform this task?
A. Control Room Staff
B. TSC Staff
C. OSC Staff
D. STSC Staff
Answer: A
The plant is operating at 100% power. The High Pressure turbine fails and ejects blading into the 176’ of the Turbine building. No one is injured and equipment damage is limited to the immediate area. What is the minimum emergency plan classification for this event? (If any)
A. Site Area Emergency
B. No classification necessary
C. Alert
D. Unusual Event
Answer: D
A potential loss of the RCS barrier and a potential loss of the Containment Barrier will result in which one of the following classifications?
A. Site Area Emergency
B. Unusual Event
C. Alert
D. General Emergency
Answer: C
When an emergency is declared at PVNGS, the STSC Communicator should report to:
A. The Control Room.
B. Cafeteria.
C. Security Headquarters.
D. Emergency Operating Facility.
Answer: A
Given the following conditions:
A Steam Generator Tube Rupture has occurred.
The leak rate is estimated at 210 gpm.
A Main Steam Safety Valve is stuck open on the affected steam generator.
Dose measured at the site boundary is 1200 mrem/hr TEDE. What is the minimum classification for this event?
A. Site Area Emergency
B. Unusual Event
C. Alert
D. General Emergency
Answer: D
Following a reactor trip, the following conditions exist: Containment hydrogen concentration per HPA-AI-9 is 3.8%. Containment hydrogen concentration per HPB-AI-10 is 4.2%. Estimated reactor coolant system leakage is 500 gpm.
Highest core exit thermocouple reading is 587°F RCS chemistry sample dose equivalent iodine currently 308 microcuries/gm.
Containment pressure is 37 psig.
Pressurizer pressure is 610 psia.
RVLMS upper head level is 16%. Which one of the following is the minimum classification for this event?
A. Unusual Event.
B. General Emergency.
C. Alert.
D. Site Area Emergency.
Answer: B
Given the following conditions: An Alert has been declared in Unit 2. The EC in the TSC has relieved the on-shift EC. The crew determines that SIAS load shed panels need to be energized using Standard Appendix 21, List of SIAS Load Shed Panels. Which one of the following describes who provides the direction to the AO to perform this task?
A. Control Room Staff.
B. OSC Staff.
C. TSC Staff.
D. STSC Staff.
Answer: A
Given the following conditions: The unit is at 100% power. Two (2) charging pumps are running. Letdown is isolated. PZR Level is stable. RCS temperature is stable. What emergency classification is required?
A. Unusual Event
B. Alert
C. Site Area Emergency
D. General Emergency
Answer: B
Following a reactor trip, the following conditions exist: Containment hydrogen concentration per HPA-AI-9 - 3.8%. Containment hydrogen concentration per HPB-AI-10 - 4.2%. Estimated reactor coolant system leakage - 500 gpm. Highest core exit thermocouple reading- 587°F RCS chemistry sample dose equivalent iodine 131 - 308 microcuries/gm. Containment pressure - 37 psig. Pressurizer pressure - 610 psia. RVLMS - upper head level - 16%. Which one of the following is the minimum classification for this event?
A. General Emergency.
B. Unusual Event.
C. Alert.
D. Site Area Emergency.
Answer: A
Per EPIP-01, STSC Actions, what is the classification for a potential loss of containment barrier?
A. Unusual Event.
B. Alert.
C. Site Area Emergency.
D. General Emergency.
Answer: A
The following plant conditions exist: Field assessment teams have not been able to deploy. A report from the fuel building stated “an irradiated fuel assembly has fallen and bubbles have broken the surface of the SFP.” RU-31 fuel building monitor is in high alarm. Which one of the following is the minimum required classification for this event?
A. Alert.
B. No classification required.
C. Unusual Event.
D. Site Area.
Answer: A
Who is responsible for completing the SAMG data table and when is it started? The STA in the….
A. Control Room starts completing the data table at the request of the Emergency Coordinator.
B. EOF starts completing the table as soon as the EOF becomes operational.
C. STSC starts completing the data table at any E-plan classification of alert or greater.
D. TSC starts completing the data table when the crew enters the functional recovery procedure.
Answer: D
Following a reactor trip, the following conditions exist: Containment hydrogen concentration per HPA AI 9 3.8% Containment hydrogen concentration per HPB AI 10 4.2% Estimated reactor coolant system leakage 500 gpm Highest core exit thermocouple reading 587°F RCS chemistry sample dose equivalent iodine 308 mci/gm Containment pressure 37 psig Pressurizer pressure 610 psia RVLMS upper head level 16% RCS subcooling is zero Which one of the following is the minimum classification for this event?
A. Unusual Event.
B. General Emergency.
C. Alert.
D. Site Area Emergency.
Answer: B
Given the following conditions: The control room has been evacuated due to a fire. Control of the plant has been established at the remote shutdown panel in accordance with 40AO-9ZZ19, Control Room Fire. What is the minimum emergency plan classification for this condition?
A. Unusual Event
B. Alert
C. Site Area Emergency
D. General Emergency
Answer: B
Given the following conditions: Rx tripped due to low RCS pressure The CRS has entered the LOCA procedure RCS is 40 degrees subcooled and stable The Emergency Coordinator has identified the following Emergency Action Levels as being exceeded RCS leakrate > 44 gpm (1-6) Rapid unexplained CTMT pressure decrease (1-10) Which one of the following correctly describes the required event classification?
A. General Emergency
B. Unusual Event
C. Alert
D. Site Area Emergency
Answer: D
Given the following plant conditions: The plant is currently in Mode 3 following a steam generator tube rupture. The calculated leak rate is 300 gpm. Offsite power is not available. Cooldown to Mode 4 is in progress, using the ruptured steam generator ADVs. Based on current conditions, the minimum E-PLAN classification is a(n)…
A. Site Area Emergency.
B. Notification of Unusual Event.
C. Alert.
D. General Emergency.
Answer: A
Which of the following statements explains why a RVLMS level indication of 0% PLENUM indicates a potential loss of the fuel clad barrier?
A. It assumes full steam voiding in active fuel region exists.
B. Subcooling is lost at some locations in the core.
C. Fuel centerline temperatures are elevated.
D. Loss of S/G ability to remove decay heat.
Answer: C
A 180 gpm leak outside of containment on letdown line. RCS activity 153 uci/gm dose equivalent I-131. RVLMS 100% in RVUH. Highest CET temperature is 573°F. SIAS/CIAS initiated. CH-UV-515 and CH-UV-516 failed to close. Site boundary dose rate 120 mrem/hr External EDE due to gaseous activity. RU-148 indicates 1.5 x 103 mrem/hr. RU-149 indicates 1.6 x 103 mrem/hr. 1 hour since reactor trip Which one of the following is the minimum emergency classification for this event?
A. Alert.
B. Unusual Event.
C. Site Area Emergency.
D. General Emergency.
Answer: C
The unit is in Mode 6 when all vital DC power is lost. After 20 minutes, power is still out. What, if any, is the emergency plan classification for this event.?
A. No classification is required.
B. Unusual Event.
C. Alert.
D. Site Area Emergency.
Answer: B
The plant is operating at 100% power. The in service waste gas decay tank ruptures. 45 minutes later, RU-144 Channel 1 is reading 3.5E-01 microcuries/cc. RU-144 has been indicating this value for the past 25 minutes. What is the minimum classification for this event?
A. General Emergency
B. Unusual Event
C. Alert
D. Site Area Emergency
Answer: D
A LOAF event has occurred. The CRS has directed the AO locally operate Aux Feed Pump ‘A’ to restore a source of feed flow to the Steam Generators. All other actions to restore feed have been exhausted. This event would require the following Emergency Classification:
A. Site Area Emergency
B. No classification required
C. Unusual Event
D. Alert
Answer: D
Which is the lowest (least severe) Emergency Action Level that REQUIRES accountability, per the Emergency Plan?
A. Site Area Emergency.
B. Unusual Event.
C. Alert.
D. General Emergency.
Answer: A
A plant event has occurred that has been classified as a Site Area Emergency (SAE). Which one of the following statements is correct?
A. Accountability is required.
B. Assembly is recommended.
C. Site evacuation is required.
D. Accountability is recommended.
Answer: A
A 105 gpm RCS leak is occurring in Containment. PBA-S03 is deenergized due to a bus fault. The plant has been manually tripped and SPTAs have been performed. The E Plan has been implemented. No other malfunctions have occurred. Which one of the following statements is correct?
A. Assembly is required.
B. Assembly is recommended.
C. Accountability is required.
D. Accountability is recommended.
Answer: B
Low DNBR Trips are actuated on all 4 PPS channels. The Reactor failing to trip automatically. The Control Operator pushes all 4 manual trip pushbuttons on B05. The reactor does not trip. The Reactor Operator attempts to open breakers to de-energize L03 and L10. The breaker for L-10 fails to open. The reactor does not trip. What is the minimum classification associated with this event?
A. Site Area Emergency
B. Notification of Unusual Event
C. Alert
D. General Emergency
Answer: A