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LOCT Exam Bank > E-Plan > Flashcards

E-Plan Flashcards

1
Q

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

A

Answer: B

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2
Q

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

A

Answer: C

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3
Q

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

A

Answer: A

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4
Q

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

A

Answer: D

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5
Q

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

A

Answer: C

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6
Q

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.

A

Answer: A

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7
Q

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

A

Answer: D

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8
Q

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.

A

Answer: B

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9
Q

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.

A

Answer: A

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10
Q

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

A

Answer: B

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11
Q

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.

A

Answer: A

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12
Q

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.

A

Answer: A

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13
Q

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.

A

Answer: A

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14
Q

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.

A

Answer: D

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15
Q

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.

A

Answer: B

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16
Q

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

A

Answer: B

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17
Q

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

A

Answer: D

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18
Q

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.

A

Answer: A

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19
Q

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.

A

Answer: C

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20
Q

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.

A

Answer: C

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21
Q

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.

A

Answer: B

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22
Q

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

A

Answer: D

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23
Q

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

A

Answer: D

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24
Q

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.

A

Answer: A

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25
Q

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.

A

Answer: A

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26
Q

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.

A

Answer: B

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27
Q

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

A

Answer: A

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28
Q

Low DNBR Trips are actuated on all 4 PPS channels with the Reactor failing to trip automatically. The Reactor Operator pushes all 4 manual trip pushbuttons on B05 and the reactor does not trip. The Control Operator opens breakers to de-energize L03 and L10 and the reactor trips. Normal post-trip reactor power trend is evident. What is the minimum classification associated with this event?

A. Site Area Emergency
B. Unusual Event
C. Alert
D. General Emergency

A

Answer: C

29
Q

Notifications to State/County agencies are required to be made within of an initial or upgraded emergency declaration (classification), change in PARs, or event termination.

A. 4 hours
B. 30 minutes
C. 1 hour
D. 15 minutes

A

Answer: D

30
Q

Following a major plant event, the Total Effective Dose Equivalent (TEDE) at the site boundary is 3 Rem. Which one of the following protective action recommendations apply for this condition?

A. Evacuation for 2-mile radius and 5 miles in potentially affected sectors.
B. None.
C. Shelter within a 2-mile radius.
D. Evacuation for 5-mile radius and 10 miles in potentially affected sectors. And, recommend consideration of KI for general public.

A

Answer: A

31
Q

The plant is currently in Mode 3 following a SGTR. The calculated leak rate is 300 gpm. Offsite power is not available. The Operators are cooling down to Mode 5 on the ruptured Steam Generator ADVs. The correct classification of this event is a(n)…

A. Site Area Emergency.
B. Unusual Event.
C. Alert.
D. General Emergency.

A

Answer: A

32
Q

What position must approve a worker receiving Potassium Iodide (KI) for projected Thyroid CDE doses in excess of 25 Rem?

A. Radiation Protection Monitor.
B. Emergency Coordinator.
C. Shift Manager.
D. Plant Manager.

A

Answer: B

33
Q

Following a major plant event, the Total Effective Dose Equivalent (TEDE) at the site boundary is 10 Rem. Which one of the following protective action recommendations (if any) apply for this condition?

A. None.
B. Evacuation for 5-mile radius and 10 miles in potentially affected sectors and recommended consideration of KI for general public and emergency workers.
C. Shelter within a 2-mile radius.
D. Evacuation for 2-mile radius and 5 miles in potentially affected sectors and recommended consideration of KI for general public and emergency workers.

A

Answer: B

34
Q

An event is classified as a Site Area Emergency due to a SGTR uncontrollably steaming to atmosphere. Site Evacuation is….

A. prohibited until RP has completed its site boundary analysis.
B. mandatory.
C. prohibited.
D. optional.

A

Answer: D

35
Q

Unit tripped due to plant transient. The crew entered 40EP-9EO06, Loss of All Feedwater procedure. Auxiliary Feedwater was recovered using standard appendix 40, Local Operation of AFA-P01. AFA-P01 was the only remaining functional feedpump. What is the minimum emergency plan classification for this condition?

A. No classification is required
B. Alert
C. Unusual Event
D. Site Area Emergency

A

Answer: B

36
Q

A steam generator tube rupture (250 GPM leak rate) concurrent with a stuck open main steam safety valve have occurred on the same steam generator. No site boundary doses have been measured and dose rate projections are not available. What is the minimum protective action recommendation if any?

A. Evacuation for two mile radius and five miles in potentially affected sectors.
B. No protective action recommendation is required.
C. Shelter within a two mile radius.
D. Evacuation for five mile radius and ten miles in potentially affected sectors.

A

Answer: C

37
Q

The unit has experienced a steam generator tube rupture and a loss of offsite power. The EC has declared a Site Area Emergency. The NRC must be notified within…

A. 30 days
B. 15 minutes.
C. 4 hours
D. 1 hour.

A

Answer: D

38
Q

The unit has experienced a steam generator tube rupture and declared an Alert. The NRC must be notified within…

A. 1 hour.
B. 15 minutes.
C. 30 minutes.
D. 4 hours.

A

Answer: A

39
Q

The unit has experienced a loss of coolant accident and declared a Site Area Emergency. The NRC must be notified within…

A. 15 minutes
B. 1 hour.
C. 4 hours
D. 30 days

A

Answer: B

40
Q

A reactor trip has occurred. All charging pumps are running. SIAS/CIAS has been initiated and all required components are operating properly. Pressurizer level is off scale low. RVLMS indicates complete voiding of the RVUH and 41% in the outlet plenum. RCS Subcooling has been lost. Which one of the following identifies the minimum emergency classification for this event?

A. General Emergency
B. Notification of Unusual Event
C. Site Area Emergency
D. Alert

A

Answer: D

41
Q

A Control Room Fire is in progress causing the on shift crew to evacuate the control room. 20 minutes later control is still not established at the remote shutdown panel. The minimum emergency classification associated with the event is a(n)…

A. Site Area Emergency.
B. Unusual Event.
C. Alert.
D. General Emergency.

A

Answer: A

42
Q

Loss of Containment Barrier Loss of all Feedwater S/G level is being recovered by Condensate Pumps (Appendix 44) No actions outside the Control Room have been taken Based on these conditions, the Emergency Classification should classify a(n)…

A. Alert.
B. Unusual Event.
C. Site Area Emergency.
D. General Emergency.

A

Answer: C

43
Q

The plant has experienced a reactor trip followed by an inadvertant MSIS. AFB-P01 is out of service for maintenance. AFA-P01 tripped on overspeed when starting. AFN-P01 one suction valve failed to open. An AO was sent to manually open the failed suction valve. He succeeded in getting the valve open. The crew entered 40EP-9EO06, Loss of ALL Feedwater procedure. The MSIS was overridden and a main feedwater pump was restarted. Feedwater was then reestablished to the steam generators using MFP “A”. What is the minimum emergency plan classification for this condition if any?

A. Site Area Emergency
B. Unusual Event
C. Alert
D. No classification is required

A

Answer: D

44
Q

Which of the following is required before the on shift Emergency Coordinator can turnover to the onsite Emergency Coordinator?

A. The USNRC Liaison in the TSC must notify the NRC of the turnover.
B. A Site Area Emergency or higher must be declared.
C. The NRC Communicator and Radiation Protection Monitor have been relieved of duties.
D. The Emergency Operations Director in the Emergency Operations Facility must authorize the turnover.

A

Answer: C

45
Q

The Shift Manager is attending a meeting outside of the control room. The Unit is operating at 100% power, when a small plane crashes into the spray pond. The control room staff is aware of the plane crash. They call the SM to the control room. 12 minutes go by and the SM has not yet arrived in the control room. Which statement below describes the proper E-plan response by the operating crew?

A. The CRS should immediately assume the role of the Emergency Coordinator and classify.
B. The CRS should wait for the Shift Manager to get to the control room to assume the role of the Emergency coordinator.
C. The CRS should assign another EC qualified individual in the control room to assume the role of the Emergency Coordinator.
D. The CRS should wait until 15 minutes after the crash and then assume the position of the Emergency Coordinator and declare an NUE.

A

Answer: A

46
Q

Severe weather conditions are occuring that require implementation of EPIP-01, STSC Actions. Who is responsible for initially classifying the emergency and assuming the position of Onshift Emergency Coordinator?

A. Unit 1 Ops Unit Department Leader
B. Unit 2 Shift Manager
C. Unit 2 Control Room Supervisor
D. Unit 1 Shift Manager

A

Answer: D

47
Q

The Operating Crew has indications of an Inter-system LOCA into the high pressure seal cooler at 140 gpm. No actions have been taken to isolate the leak at this time. What is the current Emergency Classification?

A. Notification of Unusual Event
B. Alert
C. Site Area Emergency
D. General Emergency

A

Answer: B

48
Q

Which one of the following is the lowest classification level which requires mandatory activation of the STSC?

A. Alert.
B. Notification of Unusual Event.
C. Site Area Emergency.
D. General Emergency.

A

Answer: B

49
Q

A potential loss of the RCS Barrier and a potential loss of the Containment Barrier will result in which one of the following classifications? (Minimum classification level)

A. Notification of Unusual Event
B. Alert
C. Site Area Emergency
D. General Emergency

A

Answer: B

50
Q

A Control Room Fire is in progress causing the on shift crew to evacuate the control room. Control is established at the remote shutdown panel in 12 minutes. What is the minimum emergency classification associated with the event?

A. No Classification required
B. Alert
C. Notification of Unusual Event
D. Site Area Emergency

A

Answer: B

51
Q

Following a major plant event, the whole body dose rate is measured at 150 mr/hr Deep Dose Equivalent at the site boundary. The EC classified a SAE. Which one of the following is the protective action recommendation for this condition?

A. None.
B. Shelter within a 2 mile radius.
C. Evacuation for 2 mile radius and 5 miles in potentially affected sectors.
D. Evacuation for 5 mile radius and 10 miles in potentially affected sectors.

A

Answer: B

52
Q

The unit has experienced a loss of coolant accident and declared an Alert. The NRC must be notified within…

A. 15 minutes.
B. 1 hour
C. 4 hours.
D. 30 days.

A

Answer: B

53
Q

Who must approve a worker receiving an emergency exposure in excess of 10CFR20 limits?

A. Emergency Coordinator only
B. RP Supervisor only
C. Shift Manager with CRS concurrence
D. RP Supervisor or Emergency Coordinator

A

Answer: A

54
Q

Which one of the following responsibilities can the Emergency Coordinator (EC) delegate?

A. Re-classification of the event.
B. Deployment of emergency teams.
C. Protective Action Recommendations (PARs).
D. Authorization for workers to exceed 10CFR20 exposure limits.

A

Answer: B

55
Q

The seismic occurrence alarm in the control room annunciates. The control room staff feels ground motion. The STA quickly determines that the Operating Basis Earthquake has been exceeded. What is the correct E-plan classification?

A. Notification of unusual event
B. No classification required
C. Alert
D. Site Area Emergency

A

Answer: C

56
Q

Spent Fuel Pool Level is 136’ and lowering slowly. Fuel Pool Level LO-LO is in alarm. Fuel Pool Gate Seals Air Pressure HI/LO is in alarm. What is the E-Plan Classification for the current conditions?

A. GE
B. ALERT
C. SAE
D. NUE

A

Answer: D

57
Q

A loss of the fuel clad barrier is indicated by >1200°F highest valid CET temperature. What is the basis for this EAL?

A. An assumption that RCS inventory loss has uncovered the CETs.
B. Indicates a loss of subcooling has occurred.
C. A >100°F rise above the normal 100% power Thot value.
D. Indicates significant superheating of the coolant.

A

Answer: D

58
Q

Valid low DNBR Trips are actuated on all 4 PPS channels. The Reactor has failed to trip automatically. The Secondary Operator pushes all 4 manual trip pushbuttons on B05 and the reactor does not trip. The Primary Operator opens breakers to de-energize L03 and L10 and the reactor trips with 2 regulating group rods stuck out. Normal post-trip reactor power trend is evident. What is the minimum classification associated with this event?

A. Alert.
B. Notification of Unusual Event.
C. Site Area Emergency.
D. General Emergency.

A

Answer: A

59
Q

The seismic occurrence alarm in the control room has alarmed. The control room staff feels ground motion. The STA rapidly determines that an Operating Basis Earthquake has not been exceeded. What, if any, is the correct E-plan classification?

A. Site Area Emergency
B. No classification required
C. Alert
D. Notification of Unusual Event

A

Answer: D

60
Q

A plant event has occurred that is classified as a General Emergency. Non-essential site personnel should be instructed to:

A. continue work but not go near the affected unit.
B. report to the protected area
C. assemble in the cafeteria.
D. evacuate the site.

A

Answer: D

61
Q

The unit is operating at 60% power when security reports that an armed force has gained access to the Diesel Generators. A high priority Diesel Generator trip is received for Diesel Generator “A”. The armed force has not gained access to the remote shutdown panel. What is the minimum classification for this event?

A. General Emergency
B. Unusual Event
C. Alert
D. Site Area Emergency

A

Answer: D

62
Q

Following the initial declaration of a Notification of Unusual Event (NUE), the STSC (Satellite Technical Support Center) Communicator must commence notification of state and county agencies within…

A. 15 minutes.
B. 30 minutes.
C. 1 hour.
D. 4 hours.

A

Answer: A

63
Q

PZR level 10% and decreasing Three charging pumps are running Letdown isolated Train “A” SDC in service Tcold is 185°F PZR level begins to recover with 100 gpm of HPSI flow fo each cold leg Which one of the following is the minimum required classification, if any, of this event? If any

A. Alert.
B. Unusual Event.
C. No classification required.
D. Site Area Emergency.

A

Answer: C

64
Q

The Unit is at 25% power when the crew recognizes pressurizer level, pressurizer pressure, and letdown flow are decreasing slightly. ERFDADS indicates a steady 35 gpm RCS leakrate after 35 minutes. In accordance with the E-plan, how should the Shift Manager respond to this event?

A. wait 15 minutes before declaring any classification to see if the leak can be terminated.
B. imediately declare an Alert.
C. wait 15 minutes to see if the leak rate gets worse and then declare the appropriate classification.
D. immediately declare an NUE.

A

Answer: D

65
Q

A fuel handling incident has occurred. RU-145 Channel 1 is reading >3.35 uCi/cc for the past 68 minutes. RU-146 reads

A

Answer: C

66
Q

What is the purpose of the Severe Accident Management Guidelines?

A. Provide guidance for determining if severe accident conditions exist, and provide continuing guidance on the mitigation of an event once it is decided by the Onsite Emergency Coordinator that severe accident conditions exist.
B. Provide guidance for determining if severe accident conditions exist, and provide continuing guidance on the mitigation of an event once it is decided by the Onshift Emergency Coordinator that severe accident conditions exist.
C. Provide guidance for determining if SGTR conditions exist, and provide continuing guidance on the mitigation of an event once it is decided by the Onsite Emergency Coordinator that severe accident conditions exist.
D. Provide guidance for determining if LOCA conditions exist, and provide continuing guidance on the mitigation of an event once it is decided by the Onshift Emergency Coordinator that severe accident conditions exist.

A

Answer: A

67
Q

The unit has declared an Alert. The NRC must be notified within…

A. 30 days.
B. 15 minutes.
C. 4 hours.
D. 1 hour.

A

Answer: D

68
Q

What is the purpose of the SAMG diagnostic flowchart? The flowchart:

A. is used if the SAMG data table cannot be completed due to lack of instrumentation.
B. is used to determine if the SAMG data table should be started.”
C. determines the status of the core and containment for use in completing the plant damage condition matrix.
D. attempts to determine the type of accident that is occurring so the operating crew can choose the correct recovery procedure to mitigate the event.

A

Answer: C

LOCT Exam Bank (58 decks)

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