ML21004A235
| ML21004A235 | |
| Person / Time | |
|---|---|
| Site: | Harris  |
| Issue date: | 01/04/2021 |
| From: | NRC/RGN-II |
| To: | |
| References | |
| Download: ML21004A235 (77) | |
Text
ML21004A235 ANSWER KEY REPORT for 2020 NRC RO WRITTEN EXAM FINAL Test Form: 0 Answers
- ID Points Type 0 1 2020 NRC RO 28 1.00 MCS B 2 2020 NRC RO 29 1.00 MCS B 3 2020 NRC RO 30 1.00 MCS B 4 2020 NRC RO 31 1.00 MCS A 5 2020 NRC RO 32 1.00 MCS D 6 2020 NRC RO 33 1.00 MCS A 7 2020 NRC RO 34 1.00 MCS B 8 2020 NRC RO 35 1.00 MCS B 9 2020 NRC RO 36 1.00 MCS B 10 2020 NRC RO 37 1.00 MCS B 11 2020 NRC RO 38 1.00 MCS A 12 2020 NRC RO 39 1.00 MCS B 13 2020 NRC RO 40 1.00 MCS B 14 2020 NRC RO 41 1.00 MCS B 15 2020 NRC RO 42 1.00 MCS D 16 2020 NRC RO 43 1.00 MCS C 17 2020 NRC RO 44 1.00 MCS D 18 2020 NRC RO 45 1.00 MCS B 19 2020 NRC RO 46 1.00 MCS B 20 2020 NRC RO 47 1.00 MCS D 21 2020 NRC RO 48 1.00 MCS C 22 2020 NRC RO 49 1.00 MCS C 23 2020 NRC RO 50 1.00 MCS C 24 2020 NRC RO 51 1.00 MCS A 25 2020 NRC RO 52 1.00 MCS B 26 2020 NRC RO 53 1.00 MCS B 27 2020 NRC RO 54 1.00 MCS C 28 2020 NRC RO 55 1.00 MCS C 29 2020 NRC RO 19 1.00 MCS A 30 2020 NRC RO 20 1.00 MCS D 31 2020 NRC RO 21 1.00 MCS D 32 2020 NRC RO 22 1.00 MCS A 33 2020 NRC RO 23 1.00 MCS B 34 2020 NRC RO 24 1.00 MCS C 35 2020 NRC RO 25 1.00 MCS C 36 2020 NRC RO 26 1.00 MCS D 37 2020 NRC RO 27 1.00 MCS D 38 2020 NRC RO 1 1.00 MCS C 39 2020 NRC RO 2 1.00 MCS C 40 2020 NRC RO 3 1.00 MCS A 41 2020 NRC RO 4 1.00 MCS A 42 2020 NRC RO 5 1.00 MCS A 43 2020 NRC RO 6 1.00 MCS A 44 2020 NRC RO 7 1.00 MCS C 45 2020 NRC RO 8 1.00 MCS D 46 2020 NRC RO 9 1.00 MCS B 47 2020 NRC RO 10 1.00 MCS B Wednesday, November 11, 2020 1:09:31 PM 1
ANSWER KEY REPORT for 2020 NRC RO WRITTEN EXAM FINAL Test Form: 0 Answers
- ID Points Type 0 48 2020 NRC RO 11 1.00 MCS D 49 2020 NRC RO 12 1.00 MCS A 50 2020 NRC RO 13 1.00 MCS B 51 2020 NRC RO 14 1.00 MCS C 52 2020 NRC RO 15 1.00 MCS A 53 2020 NRC RO 16 1.00 MCS A 54 2020 NRC RO 17 1.00 MCS C 55 2020 NRC RO 18 1.00 MCS C 56 2020 NRC RO 56 1.00 MCS A 57 2020 NRC RO 57 1.00 MCS B 58 2020 NRC RO 58 1.00 MCS D 59 2020 NRC RO 59 1.00 MCS B 60 2020 NRC RO 60 1.00 MCS B 61 2020 NRC RO 61 1.00 MCS A 62 2020 NRC RO 62 1.00 MCS B 63 2020 NRC RO 63 1.00 MCS A 64 2020 NRC RO 64 1.00 MCS B 65 2020 NRC RO 65 1.00 MCS C 66 2020 NRC RO 66 1.00 MCS B 67 2020 NRC RO 67 1.00 MCS A 68 2020 NRC RO 68 1.00 MCS D 69 2020 NRC RO 69 1.00 MCS A 70 2020 NRC RO 70 1.00 MCS D 71 2020 NRC RO 71 1.00 MCS C 72 2020 NRC RO 72 1.00 MCS B 73 2020 NRC RO 73 1.00 MCS B 74 2020 NRC RO 74 1.00 MCS A 75 2020 NRC RO 75 1.00 MCS B Wednesday, November 11, 2020 1:09:31 PM 2
2020 NRC RO WRITTEN EXAM FINAL
- 1. Given the following plant conditions:
- The unit is in Mode 3
- ALB-007-4-2, VCT HIGH-LOW PRESS, has alarmed
- Actual VCT pressure is 15 psig Which ONE of the following completes the statement below?
If VCT pressure continues to lower, RCP #1 Seal Leakoff flow will (1) and RCP #2 Seal Leakoff flow will (2) .
A. (1) rise (2) rise B. (1) rise (2) lower C. (1) lower (2) rise D. (1) lower (2) lower Wednesday, November 11, 2020 11:14:54 AM 1 Rev FINAL
2020 NRC RO WRITTEN EXAM FINAL
- 2. Given the following plant conditions:
- The unit is operating at 100% power
- Control Rods are in MANUAL Subsequently:
- A DEH System malfunction causes a load rejection of approximately 50 MWe Which ONE of the following completes the statements below regarding the INITIAL effect on Pressurizer pressure and Charging flow?
Pressurizer pressure will (1) .
Charging flow will (2) .
A. (1) rise (2) rise B. (1) rise (2) lower C. (1) lower (2) rise D. (1) lower (2) lower Wednesday, November 11, 2020 11:14:54 AM 2 Rev FINAL
2020 NRC RO WRITTEN EXAM FINAL
- 3. Which ONE of the following completes the statements below?
1RH-1, RCS Loop A to RHR Pump A-SA, is powered from 480V MCC (1) .
In Mode 1, the supply breaker to 1RH-1 is (2) .
A. (1) 1B21-SB (2) ON B. (1) 1B21-SB (2) OFF C. (1) 1B35-SB (2) ON D. (1) 1B35-SB (2) OFF Wednesday, November 11, 2020 11:14:54 AM 3 Rev FINAL
2020 NRC RO WRITTEN EXAM FINAL
- 4. With the unit operating at 100% power, which ONE of the following identifies valves that will automatically re-position upon receipt of a Safety Injection signal?
A. CSIP normal miniflow isolation valves (1CS-182/196/210/214)
B. TDAFW pump flow control valves (1AF-129/130/131)
C. SI accumulator discharge valves (1SI-246/247/248)
D. RWST to RHR pump suction valves (1SI-322/323)
Wednesday, November 11, 2020 11:14:54 AM 4 Rev FINAL
2020 NRC RO WRITTEN EXAM FINAL
- 5. Given the following plant conditions:
- ALB-009-8-1, Pressurizer Relief Tank High-Low Level Press Or Temp, alarms due to a high temperature condition Which ONE of the following describes how the PRT is cooled in accordance with APP-ALB-009-8-1 and OP-100, Reactor Coolant System?
(Assume a rapid cooldown is NOT required)
A. Drain the PRT to the Reactor Coolant Drain Tank while making up to the PRT from the Demineralized Water Storage Tank.
B. Drain the PRT to the Reactor Coolant Drain Tank while making up to the PRT from the Reactor Makeup Water Storage Tank.
C. Recirculate the PRT through the Reactor Coolant Drain Tank heat exchanger using Service Water to cool the heat exchanger.
D. Recirculate the PRT through the Reactor Coolant Drain Tank heat exchanger using Component Cooling Water to cool the heat exchanger.
Wednesday, November 11, 2020 11:14:54 AM 5 Rev FINAL
2020 NRC RO WRITTEN EXAM FINAL
- 6. Which ONE of the following completes the statements below?
In accordance with OP-145, Component Cooling Water, the NORMAL source of makeup to the Component Cooling Water (CCW) System is (1) Water.
Makeup from this source will be initiated (2) .
A. (1) Demineralized (2) from the MCB B. (1) Demineralized (2) via local field actions C. (1) Reactor Makeup (2) from the MCB D. (1) Reactor Makeup (2) via local field actions Wednesday, November 11, 2020 11:14:54 AM 6 Rev FINAL
2020 NRC RO WRITTEN EXAM FINAL
- 7. Given the following plant conditions:
- The unit is operating at 75% power
- ALB-005-1-2A, RCP Therm Bar Hdr High Flow, is in alarm Which ONE of the following completes the statements below?
1CC-252, CCW Return Isolation from RCP Thermal Barriers Flow Control, will shut if CCW flow rises to a MINIMUM of (1) gpm.
With 1CC-252 shut, RCP operational limits (2) be exceeded.
A. (1) 198 (2) will B. (1) 198 (2) will NOT C. (1) 245 (2) will D. (1) 245 (2) will NOT Wednesday, November 11, 2020 11:14:54 AM 7 Rev FINAL
2020 NRC RO WRITTEN EXAM FINAL
- 8. Which ONE of the following completes the statements below regarding PORV testing IAW OST-1117, Pressurizer PORV Operability Quarterly Interval Modes 3 - 6?
When Pressurizer pressure begins to lower from Normal Operating Pressure, the Group 'C' heaters will FIRST receive a "full on" signal when Pressurizer pressure reaches (1) psig The PRT rupture discs will blow when PRT pressure reaches a MINIMUM of (2) psig.
A. (1) 2220 (2) 50 B. (1) 2220 (2) 100 C. (1) 2210 (2) 50 D. (1) 2210 (2) 100 Wednesday, November 11, 2020 11:14:54 AM 8 Rev FINAL
2020 NRC RO WRITTEN EXAM FINAL
- 9. Given the following plant conditions:
- The unit is operating at 100% power Subsequently:
- Pressurizer Spray Valve, 1RC-103, begins to slowly fail open Which ONE of the following completes the statements below?
An (1) turbine runback will occur.
The SETPOINT for this runback is T within (2) % of the Reactor trip setpoint.
(Assume NO operator action)
A. (1) Overtemperature T (OTT)
(2) 1.9 B. (1) Overtemperature T (OTT)
(2) 3 C. (1) Overpower T (OPT)
(2) 1.9 D. (1) Overpower T (OPT)
(2) 3 Wednesday, November 11, 2020 11:14:54 AM 9 Rev FINAL
2020 NRC RO WRITTEN EXAM FINAL
- 10. Given the following plant conditions:
- Reactor power is 7%
- A plant startup is in progress in accordance with GP-005, Power Operation (Mode 2 to Mode 1)
Subsequently:
- Instrument Bus S-I de-energizes Given the above plant conditions, which ONE of the following will result in a Reactor trip signal being generated?
A. LT-461, PRZ Level Channel III, fails high B. LT-496, 'C' SG Level Channel III, fails low C. PT-457, PRZ Pressure Channel III, fails low D. A and C Aux buses are crosstied and breaker 107, Aux Bus A supply, fails open Wednesday, November 11, 2020 11:14:54 AM 10 Rev FINAL
2020 NRC RO WRITTEN EXAM FINAL
- 11. Given the following plant conditions:
- The unit is operating at 100% power Subsequently:
- An inadvertent actuation of Train 'B' Safety Injection occurs Which ONE of the following completes the statement below?
(1) will trip AND the Main Feedwater Regulating Valves will (2) .
A. (1) BOTH Main Feedwater Pumps (2) SHUT B. (1) BOTH Main Feedwater Pumps (2) OPEN C. (1) ONLY the 'B' Main Feedwater Pump (2) SHUT D. (1) ONLY the 'B' Main Feedwater Pump (2) OPEN Wednesday, November 11, 2020 11:14:54 AM 11 Rev FINAL
2020 NRC RO WRITTEN EXAM FINAL
- 12. Given the following plant conditions:
- The unit is operating at 100% power
- Instrument Bus SIII is de-energized and actions are being taken in accordance with AOP-024, Loss of Uninterruptible Power Supply Subsequently:
- PT-953, Containment Pressure Channel IV, fails high Which ONE of the following identifies the effect on the Safety Injection (SI) and Containment Spray Actuation Signal (CSAS) systems?
SI CSAS A. NOT Actuated NOT Actuated B. Actuated NOT Actuated C. NOT Actuated Actuated D. Actuated Actuated Wednesday, November 11, 2020 11:14:54 AM 12 Rev FINAL
2020 NRC RO WRITTEN EXAM FINAL
- 13. Given the following plant conditions:
- The unit is operating at 100% power
- S-2B-SB, Primary Shield Cooling Fan, is in operation Subsequently:
- ALB-027-5-5, Reactor Primary Shield Clg Fans S2 Low-Flow-O/L, alarms The S-2B-SB control switch indications are as follows:
Which ONE of the following completes the statement below?
The S-2B-SB control switch indicates the alarm was received due to actuation of the (1) AND S-2A-SA, Primary Shield Cooling Fan, (2) .
A. (1) thermal overload device (2) will start automatically B. (1) thermal overload device (2) must be manually started C. (1) low flow switch (2) will start automatically D. (1) low flow switch (2) must be manually started Wednesday, November 11, 2020 11:14:54 AM 13 Rev FINAL
2020 NRC RO WRITTEN EXAM FINAL
- 14. Given the following plant conditions:
- A LOCA occurred
- The crew has transitioned EOP-ES-1.3, Transfer to Cold Leg Recirculation
- Both trains of Safety Injection and Containment Spray are aligned for recirculation Which ONE of the following completes the statements below?
A MINIMUM of (1) inches Containment (CNMT) wide range sump level assures a long term recirculation suction source.
In accordance with EOP-ES-1.3, the PREFERRED method for raising CNMT sump inventory is to re-align one of the running (2) suction back to the RWST.
A. (1) 142 (2) CSIPs B. (1) 142 (2) CNMT Spray Pumps C. (1) 196 (2) CSIPs D. (1) 196 (2) CNMT Spray Pumps Wednesday, November 11, 2020 11:14:54 AM 14 Rev FINAL
2020 NRC RO WRITTEN EXAM FINAL
- 15. Given the following plant conditions:
- The unit is operating at 100% power
- 'A' Containment Spray Pump is running on recirculation per OST-1118, Containment Spray Operability Train A Quarterly Interval Modes 1-4 Subsequently:
- A LOCA occurs
- Containment pressure rises to 7.5 psig Which ONE of the following identifies the positions of 1CT-24, Containment Spray Eductor Test, and 1CT-50, Containment Spray Pump 1A-SA Discharge Valve?
1CT-24 1CT-50 A. OPEN OPEN B. OPEN SHUT C. SHUT OPEN D. SHUT SHUT Wednesday, November 11, 2020 11:14:54 AM 15 Rev FINAL
2020 NRC RO WRITTEN EXAM FINAL
- 16. Given the following plant conditions:
- The unit is operating at 100% power
- A Main Steam line rupture in the Turbine Building has occurred
- The crew has manually tripped the Reactor Which ONE of the following completes the statement below?
The Turbine Ventilating valves (1GS-97, 1GS-98) are expected to (1) AND the MSR Non-Return valves (1HD-2, 1HD-3, 1HD-302, 1HD-303) are expected to (2) .
Valve Noun Name:
Turbine Ventilating valves 1GS-97, HP Turbine Vent to Cond (FCV-01TA-0415B) 1GS-98, HP Turbine Vent to Cond (FCV-01TA-0415A)
MSR Non-Return valves 1HD-2, MSR 1A-NNS Outlet to MSDT 1A-NNS 1HD-3, MSRDT 1A-NNS Outlet to 5-1A-NNS 1HD-302, MSR 1B-NNS Outlet to MSDT 1B-NNS 1HD-303, MSRDT 1B-NNS Outlet to 5-1B-NNS A. (1) SHUT (2) SHUT B. (1) SHUT (2) OPEN C. (1) OPEN (2) SHUT D. (1) OPEN (2) OPEN Wednesday, November 11, 2020 11:14:54 AM 16 Rev FINAL
2020 NRC RO WRITTEN EXAM FINAL
Control power selector switches located in the (1) can be used to supply alternate control power from the instrument buses to (2) SG PORVs.
A. (1) Steam Tunnel (2) ALL B. (1) Steam Tunnel (2) ONLY 'A' and 'B' C. (1) RAB 286 Electrical Penetration Areas (2) ALL D. (1) RAB 286 Electrical Penetration Areas (2) ONLY 'A' and 'B' Wednesday, November 11, 2020 11:14:54 AM 17 Rev FINAL
2020 NRC RO WRITTEN EXAM FINAL
- 18. Given the following plant conditions:
- The unit is operating at 85% power Subsequently:
- The following indications are observed by the Balance of Plant operator (BOP):
Which ONE of the following completes the statements below?
A loss of 6.9 KV Aux Bus (1) has occurred.
In accordance with AOP-010, Feedwater Malfunctions, the operator is required to (2) .
A. (1) 1B (2) trip the Reactor B. (1) 1B (2) isolate Steam Generator Blowdown C. (1) 1E (2) trip the Reactor D. (1) 1E (2) isolate Steam Generator Blowdown Wednesday, November 11, 2020 11:14:55 AM 18 Rev FINAL
2020 NRC RO WRITTEN EXAM FINAL
- 19. Which ONE of the following identifies the power supply for 1MS-72, Main Steam C to Aux FW Turbine?
A. PP-1B312-SB B. DP-1B2-SB C. 1B31-SB D. IDP-SII Wednesday, November 11, 2020 11:14:55 AM 19 Rev FINAL
2020 NRC RO WRITTEN EXAM FINAL
- 20. Given the following plant conditions:
- The unit is operating at 100% power
- Annunciator ALB-014-7-4, SG A, B, C BACKLEAKAGE HIGH TEMP, has alarmed
- An AO has been dispatched to verify local temperatures Which ONE of the following completes the statements below?
The reason this condition occurred is because a/an (1) piping check valve is leaking.
In accordance with the AOP-010, Feedwater Malfunctions, under these conditions with the TDAFW piping local temperature > 212°F, the FIRST action required is to (2) .
A. (1) TDAFW pump steam supply (2) start the TDAFW pump to flush the line through the exhaust B. (1) TDAFW pump steam supply (2) isolate the TDAFW pump discharge header C. (1) Auxiliary Feedwater (2) start the TDAFW pump to flush the line to the SGs D. (1) Auxiliary Feedwater (2) isolate the TDAFW pump discharge header Wednesday, November 11, 2020 11:14:55 AM 20 Rev FINAL
2020 NRC RO WRITTEN EXAM FINAL
- 21. Given the following plant conditions:
- The unit is Mode 3 Subsequently:
- A loss of SUT 1A occurs
- The crew enters AOP-025, Loss of One Emergency AC Bus (6.9KV) or One Emergency DC Bus (125V)
With regard to AOP-025, which ONE of the following completes the statements below?
EDG 1A-SA (1) automatically re-energize 480V Emergency Bus 1A1.
When SUT 1A becomes available, the operator will energize Emergency Bus 1A-SA from Auxiliary Bus (2) and unload the EDG.
A. (1) will (2) 1D B. (1) will (2) 1E C. (1) will NOT (2) 1D D. (1) will NOT (2) 1E Wednesday, November 11, 2020 11:14:55 AM 21 Rev FINAL
2020 NRC RO WRITTEN EXAM FINAL
- 22. Given the following plant conditions:
- The unit is operating at 100% power
- 250 VDC Battery Charger 1A is in service Subsequently:
- Annunciator ALB-015-3-4, 250 VDC BUS TROUBLE, alarms Which ONE of the following completes the statements below?
The crew will use indications (1) to determine if a ground condition exists.
If a ground is suspected, the crew should implement OP-156.06, Ground Isolation and Bus Drop, and (2) .
A. (1) on AEP-2 (2) energize the 1B 250 VDC Battery Charger then remove the 1A 250 VDC Battery Charger from service B. (1) on AEP-2 (2) open the 1A 250 VDC Battery Charger DC output breaker allowing the batteries to power the 250 VDC bus and then place the 1B 250 VDC Battery Charger in service C. (1) locally in the switchgear room (2) energize the 1B 250 VDC Battery Charger then remove the 1A 250 VDC Battery Charger from service D. (1) locally in the switchgrear room (2) open the 1A 250 VDC Battery Charger DC output breaker allowing the batteries to power the 250 VDC bus and then place the 1B 250 VDC Battery Charger in service Wednesday, November 11, 2020 11:14:55 AM 22 Rev FINAL
2020 NRC RO WRITTEN EXAM FINAL
- 23. Which ONE of the following completes the statements below?
The 125V DC Class 1E batteries are designed to provide power for (1) hours during a station blackout event.
In addition to load shed, the Dedicated Shutdown Diesel Generator can be used to provide a non-safety-related feed through MCC 1D23 to (2) safety-related battery charger(s) on EACH train to prolong the battery discharge time.
A. (1) two (2) one B. (1) two (2) both C. (1) four (2) one D. (1) four (2) both Wednesday, November 11, 2020 11:14:55 AM 23 Rev FINAL
2020 NRC RO WRITTEN EXAM FINAL
- 24. Which ONE of the following completes the statement below?
The Low Starting Air Pressure Interlock inhibits EDG (1) and will FIRST occur when starting air pressure lowers to (2) psig.
A. (1) auto starts ONLY (2) 150 B. (1) auto starts ONLY (2) 202 C. (1) auto AND manual starts (2) 150 D. (1) auto AND manual starts (2) 202 Wednesday, November 11, 2020 11:14:55 AM 24 Rev FINAL
2020 NRC RO WRITTEN EXAM FINAL
- 25. Given the following plant conditions:
- A liquid release is in progress from the Treated Laundry and Hot Shower (TL&HS)
Tank
- REM-*1WL-3540, Treated Laundry and Hot Shower Tank Pump Discharge Monitor, goes into HIGH ALARM during the release Which ONE of the following will automatically terminate the release?
A. The running TREATED H&HS TANK PUMP PUMP trips B. 3LHS-296, TREATED L&HS TKS DISCH ISOL VLV, shuts C. 3LHS-293 (FCV HK-6193), TRTD L&HS TK TO ENVIRON, shuts D. 3LHS-301, TREATED L&HS TKS DISCHARGE TO COOLING TOWER BLOWDOWN, shuts Wednesday, November 11, 2020 11:14:55 AM 25 Rev FINAL
2020 NRC RO WRITTEN EXAM FINAL
- 26. Given the following plant conditions:
- The unit is operating at 100% power
- NSW Pump 'B' is operating
- NSW Pump 'A' is in standby Subsequently:
- ALB-002-7-1, SERV WATER SUPPLY HDR B LOW PRESS, alarms After one (1) minute, which ONE of the following identifies the expected Service Water system alignment?
A. NSW Pump 'B' is running supplying NSW loads and both ESW headers.
No ESW pumps are running.
B. NSW Pump 'B' is running supplying NSW loads and the 'A' ESW header.
ESW Pump 'B' is running supplying the 'B' ESW header.
C. NSW Pump 'A' is running supplying NSW loads and both ESW headers.
No ESW pumps are running.
D. NSW Pump 'A' is running supplying NSW loads and the 'A' ESW header.
ESW Pump 'B' is running supplying the 'B' ESW header.
Wednesday, November 11, 2020 11:14:55 AM 26 Rev FINAL
2020 NRC RO WRITTEN EXAM FINAL
- 27. Given the following plant conditions:
- The unit is operating at 100% power
- An Instrument Air leak is occurring
- Instrument Air pressure is currently 80 psig and stable Which ONE of the following predicts the plant response for the current condition?
A. All FW flow control valves will SHUT B. PRZ Spray valves drift to mid-position C. RCS letdown flowpath valves drift to mid-position D. Gland Steam Seal Spillover Regulator Valve will OPEN Wednesday, November 11, 2020 11:14:55 AM 27 Rev FINAL
2020 NRC RO WRITTEN EXAM FINAL
- 28. Given the following plant conditions:
- A LOCA has occurred
- RCS pressure is 600 psig and stable
- Containment pressure is 11.5 psig and lowering
- SI has NOT been reset
- Phase 'A' and 'B' Containment Isolation reset switches have been placed to RESET Which ONE of the following identifies the status of the Containment Isolation Phase A and Phase B signals?
Phase A Phase B A. NOT reset reset B. NOT reset NOT reset C. reset reset D. reset NOT reset Wednesday, November 11, 2020 11:14:55 AM 28 Rev FINAL
2020 NRC RO WRITTEN EXAM FINAL
- 29. Which ONE of the following completes the statements below regarding recovery of a dropped rod in accordance with AOP-001, Malfunction of Rod Control and Indication System?
Prior to recovering the dropped rod, the lift coil disconnect switches for all rods except the dropped will be opened in the affected (1) .
During the recovery, withdrawal of the dropped rod will be stopped based on (2) .
A. (1) bank (2) step counter position B. (1) bank (2) DRPI for the affected rod C. (1) group ONLY (2) step counter position D. (1) group ONLY (2) DRPI for the affected rod Wednesday, November 11, 2020 11:14:55 AM 29 Rev FINAL
2020 NRC RO WRITTEN EXAM FINAL
- 30. Given the following plant conditions:
- The unit is operating at 100% power
- The 'A' Boric Acid Pump is under clearance Subsequently:
- Emergency Bus 1B-SB locks out due to an 86UV failure
- The crew enters AOP-002, Emergency Boration, due to a dilution event
- The OATC performs the required valve alignment to provide a boration source With regard to AOP-002, which ONE of the following completes the statement below?
For the boration flowpath established, the OATC is required to verify a MINIMUM of (1) gpm on (2) Flow.
A. (1) 30 (2) FI-110, Emergency Boration B. (1) 30 (2) FI-122A.1, Charging Header C. (1) 90 (2) FI-110, Emergency Boration D. (1) 90 (2) FI-122A.1, Charging Header Wednesday, November 11, 2020 11:14:55 AM 30 Rev FINAL
2020 NRC RO WRITTEN EXAM FINAL
- 31. Given the following plant conditions:
- Tank Area Drains are being pumped to the Storm Drain System in accordance with OP-120.09.01, Radioactive Floor Drain Collection Subsequently:
- A Refueling Water Storage Tank (RWST) leak occurs
- REM-01MD-3530, Tank Area Drain Transfer Pumps Monitor, goes into HIGH alarm
- Contaminated water is filling the retention dike area Which ONE of the following completes the statements below?
1FD-109, FD Tank Area Drain Pump 1X Discharge to Storm Drain Valve, (1) receive an auto shut signal.
AOP-005, Radiation Monitoring System, (2) direct the operator to verify the Tank Area Floor Drain SUMP Pump stopped.
A. (1) does (2) does B. (1) does (2) does NOT C. (1) does NOT (2) does D. (1) does NOT (2) does NOT Wednesday, November 11, 2020 11:14:55 AM 31 Rev FINAL
2020 NRC RO WRITTEN EXAM FINAL
- 32. Given the following plant conditions:
- Core reload is in progress
- A spent fuel assembly in the Fuel Handling Building (FHB) is damaged FHB area radiation levels are rising with monitor status as follows:
- RM-*1FR-3565A-SA - HIGH ALARM
- RM-*1FR-3565B-SB - ALERT
- No other Spent Fuel Pool Area monitors are in alarm Which ONE of the following completes the statement below in accordance with AOP-005, Radiation Monitoring System?
(1) train(s) of FHB Ventilation Emergency Exhaust has (have) automatically started and FHB Normal Operating Floor Ventilation (2) shutdown.
A. (1) ONLY 'A' (2) has B. (1) ONLY 'A' (2) has NOT C. (1) BOTH 'A' and 'B' (2) has D. (1) BOTH 'A' and 'B' (2) has NOT Wednesday, November 11, 2020 11:14:55 AM 32 Rev FINAL
2020 NRC RO WRITTEN EXAM FINAL
- 33. Given the following plant conditions:
- The unit is in Mode 3
- Personnel have been sent into Containment to identify a source of leakage
- Upon exiting Containment, both CNMT Personnel Airlock [PAL] doors failed to seal Which ONE of the following completes the statements below?
Entry into AOP-023, Loss of Containment Integrity, (1) required.
In accordance with Technical Specification 3.6.1.3, and OWP-AL, Containment Air Locks, the PAL doors are locked shut by locking the associated (2) and deactivating the electronic mechanisms used to open the PAL doors.
A. (1) is (2) mechanical operator B. (1) is (2) manual pumping stations C. (1) is NOT (2) mechanical operator D. (1) is NOT (2) manual pumping stations Wednesday, November 11, 2020 11:14:55 AM 33 Rev FINAL
2020 NRC RO WRITTEN EXAM FINAL
- 34. Given the following plant conditions:
- A faulted Steam Generator inside Containment occurred
- The faulted Steam Generator was isolated
- Containment pressure peaked at 12 psig
- The crew is implementing EOP-ES-1.1, SI Termination, to re-establish RCP seal return flow to the Volume Control Tank (VCT)
The following annunciators are currently in alarm:
- ALB-001-5-1, Containment Isolation Phase B
- ALB-005-1-5B, Seal Water HX CCW Low Flow Which ONE of the following identifies (1) the annunciator that must be cleared to allow the re-establishment of RCP seal return flow to the VCT AND (2) the reason why?
A. (1) ALB-001-5-1 (2) Allows re-opening of Phase B valves that shut to isolate the seal return flowpath to the VCT.
B. (1) ALB-001-5-1 (2) Allows re-opening of Phase B valves that shut to isolate CCW flow to the Seal Water Return Heat Exchanger.
C. (1) ALB-005-1-5B (2) Provides assurance that CCW flow to the Seal Water Return Heat Exchanger is available to provide adequate seal return cooling.
D. (1) ALB-005-1-5B (2) Provides assurance that CCW pressure is sufficient to minimize any in-leakage from the Seal Water Return Heat Exchanger when flow is restored.
Wednesday, November 11, 2020 11:14:55 AM 34 Rev FINAL
2020 NRC RO WRITTEN EXAM FINAL
- 35. The crew has transitioned to EOP-E-1, Loss of Reactor or Secondary Coolant, and is presently evaluating if the RHR System is capable of Cold Leg Recirculation.
Current plant conditions:
- Offsite power has been lost
- CNMT Pressure is 17 psig and rising
- CNMT Wide Range Sump Level is reading 211 inches
- RVLIS Full Range Level is reading 38%
- RCS Wide Range Pressure is reading 225 psig
- Core Exit Thermocouples are reading 740°F
- Containment Spray Pump 'A' has tripped Which ONE of the following identifies the procedure the crew is required to implement at this time?
A. EOP-FR-Z.2, Response to Containment Flooding B. EOP-FR-C.2, Response to Degraded Core Cooling C. EOP-FR-C.1, Response to Inadequate Core Cooling D. EOP-FR-Z.1, Response to High Containment Pressure Wednesday, November 11, 2020 11:14:55 AM 35 Rev FINAL
2020 NRC RO WRITTEN EXAM FINAL
- 36. Which ONE of the following completes the statements below in accordance with EOP-E-3, Steam Generator Tube Rupture?
The ruptured SG PORV controller setpoint is required to be adjusted to (1) and placed in AUTO to prevent lifting the SG code safety valves.
If the ruptured SG PORV fails OPEN, the operator has a MAXIMUM time of (2) minutes to shut the associated PORV block valve per the SGTR Dose Analysis.
A. (1) 1135 psig (87%)
(2) 10 B. (1) 1135 psig (87%)
(2) 20 C. (1) 1145 psig (88%)
(2) 10 D. (1) 1145 psig (88%)
(2) 20 Wednesday, November 11, 2020 11:14:55 AM 36 Rev FINAL
2020 NRC RO WRITTEN EXAM FINAL
- 37. Given the following plant conditions:
- Core offload is in progress Subsequently:
- An irradiated fuel assembly is damaged and has been fully withdrawn from the core
- AOP-013, Fuel Handling Accident, has been entered
- Containment area radiation levels are rising with monitor status as follows:
- RM-01CR-3561ASA - not in alarm
- RM-01CR-3561BSB - ALERT
- RM-01CR-3561CSA - not in alarm
- RM-01CR-3561DSB - HIGH ALARM Which ONE of the following completes the statements below?
Containment Ventilation Isolation (1) automatically initiated.
For the conditions above, AOP-013 (2) require the fuel assembly to be placed in a safe storage location prior to making the announcement to evacuate Containment.
A. (1) has (2) does B. (1) has (2) does NOT C. (1) has NOT (2) does D. (1) has NOT (2) does NOT Wednesday, November 11, 2020 11:14:55 AM 37 Rev FINAL
2020 NRC RO WRITTEN EXAM FINAL
- 38. The unit was operating at 100% power when a Reactor trip occurred.
Which ONE of the following completes the statements below?
Xenon-135 concentration will decay to zero (xenon-free) (1) hours following the Reactor trip.
In accordance with EOP-ES-0.1, Reactor Trip Response, the operator will ensure that Source Range detectors energize when Intermediate Range flux FIRST lowers to (2) AMPS.
A. (1) 30 - 40 (2) 5 x 10 -11 B. (1) 30 - 40 (2) 1 x 10-10 C. (1) 70 - 80 (2) 5 x 10-11 D. (1) 70 - 80 (2) 1 x 10-10 Wednesday, November 11, 2020 11:14:55 AM 38 Rev FINAL
2020 NRC RO WRITTEN EXAM FINAL
- 39. Given the following plant conditions:
- A break in the Pressurizer steam space has resulted in a small break LOCA
- The crew is implementing EOP-ES-1.2, Post LOCA Cooldown and Depressurization
- RCS temperature is stable Which ONE of the following completes the statements below?
The steam dumps will be operated in the (1) Mode of Control.
The operator must depress the OUTPUT (2) pushbutton to initiate an RCS cooldown to cold shutdown conditions.
A. (1) T-AVG (2) RAISE B. (1) T-AVG (2) LOWER C. (1) Steam Pressure (2) RAISE D. (1) Steam Pressure (2) LOWER Wednesday, November 11, 2020 11:14:55 AM 39 Rev FINAL
2020 NRC RO WRITTEN EXAM FINAL
- 40. Given the following plant conditions:
- The unit was operating at 100% power when a LOCA occurred
- 1CS-11, Letdown Isolation, was shut to isolate the break in accordance with EOP-ECA-1.2, LOCA Outside Containment Subsequently:
- The crew is implementing EOP-ES-1.1, SI Termination
- Safety Injection has been terminated and minimum charging flow established Which ONE of the following completes the statements below?
In accordance with EOP-ES-1.1, a MINIMUM PRZ level of (1) % is required to allow excess letdown to be established.
Per the Background Document for EOP-ES-1.1, the reason for establishing excess letdown is to offset (2) .
A. (1) 25 (2) RCP seal injection ONLY B. (1) 25 (2) BOTH RCP seal injection and charging flow C. (1) 40 (2) RCP seal injection ONLY D. (1) 40 (2) BOTH RCP seal injection and charging flow Wednesday, November 11, 2020 11:14:55 AM 40 Rev FINAL
2020 NRC RO WRITTEN EXAM FINAL
- 41. Which ONE of the following completes the statements below regarding transferring the RHR system from the RWST to the Containment (CNMT) sumps (recirculation mode) during a large break LOCA?
The CNMT Sump to RHR Pump Suction valves will open automatically on (1) level.
The RWST to RHR Pump Suction valves will (2) .
A. (1) lowering RWST (2) remain open until shut by an operator B. (1) lowering RWST (2) begin to shut five seconds after the CNMT Sump to RHR Pump Suction Valves reach the full open position C. (1) rising CNMT sump (2) remain open until shut by an operator D. (1) rising CNMT sump (2) begin to shut five seconds after the CNMT Sump to RHR Pump Suction Valves reach the full open position Wednesday, November 11, 2020 11:14:55 AM 41 Rev FINAL
2020 NRC RO WRITTEN EXAM FINAL
- 42. Given the following plant conditions:
- EOP-FR-C.1, Response to Inadequate Core Cooling, is being implemented
- Containment pressure is 2.5 psig
- Maximum Core Exit Thermocouples (CET) temperatures are 1305°F
- All SGs have been depressurized to 130 psig
- Support conditions have been established to the 'B' and 'C' RCPs ONLY Subsequent to the above conditions:
- RCP 'C' was started and CET temperatures are now 1250°F and lowering
- The crew is evaluating if additional RCPs can be started to provide core cooling Current SG narrow range levels are:
- SG 'A' level is 35%
- SG 'B' level is 15%
- SG 'C' level is 39%
Which ONE of the following identifies the operator action(s) required to be taken NEXT in accordance with EOP-FR-C.1?
A. Start RCP 'A' B. Start RCP 'B' C. Re-establish a heat sink in at least one SG D. Open the PRZ PORVs and RCS vent valves Wednesday, November 11, 2020 11:14:55 AM 42 Rev FINAL
2020 NRC RO WRITTEN EXAM FINAL
- 43. In accordance with AOP-018, Reactor Coolant Pump Abnormal Conditions, which ONE of the following completes the statements below?
If all RCP seal cooling is lost for greater than a MINIMUM of (1) minutes, a controlled restoration of seal injection flow must be done.
The basis for this requirement is to (2) .
A. (1) 4 (2) preclude increased seal leakage B. (1) 4 (2) protect against potential pump radial bearing damage C. (1) 10 (2) preclude increased seal leakage D. (1) 10 (2) protect against potential pump radial bearing damage Wednesday, November 11, 2020 11:14:55 AM 43 Rev FINAL
2020 NRC RO WRITTEN EXAM FINAL
- 44. Given the following plant conditions:
- The unit is operating in Mode 5
- The RCS is in solid plant operation
- Both trains of RHR are aligned in the Shutdown Cooling Mode Subsequently:
- A large RCS leak developed Conditions are as follows:
- The crew has aligned flow through the BIT with 'A' CSIP in service as directed by AOP-020, Loss of RCS Inventory or Residual Heat Removal While Shutdown
- Core Exit Thermocouples continue to rise
- RCS water level continues to lower Which ONE of the following completes the statement below regarding the action required by AOP-020 to lower Core Exit Thermocouple temperatures?
(1) with flow through (2) .
A. (1) Start the 'B' CSIP (2) 1SI-3 and 1SI-4, BIT Outlet Valves B. (1) Start the 'B' CSIP (2) 1SI-52, Alternate High Head SI to Cold Leg Valve C. (1) Align 'A' RHR Pump for Low Head SI (2) 1SI-340, Low Head SI Train A to Cold Leg Valve D. (1) Align 'A' RHR Pump for Low Head SI (2) 1SI-359, Low Head SI Trains A & B to Hot Leg valve Wednesday, November 11, 2020 11:14:55 AM 44 Rev FINAL
2020 NRC RO WRITTEN EXAM FINAL
- 45. Given the following plant conditions:
- The unit is operating at 100% power
- ALB-005-6-1, CCW Surge Tank High-Low Level, has just alarmed
- The OATC reports that CCW Surge Tank level is 39% and trending lower Which ONE of the following automatic actions must be verified in accordance with APP-ALB-005?
A. 1DW-15, Makeup Valve, has opened B. CCW Drain Tank Transfer Pump has tripped C. CCW Holdup Tank Transfer Pump has tripped D. CCW flow to the GFFD and RCS Sample Panel has isolated Wednesday, November 11, 2020 11:14:55 AM 45 Rev FINAL
2020 NRC RO WRITTEN EXAM FINAL
- 46. Given the following plant conditions:
- The unit is in Mode 3 at normal operating pressure
- Pressurizer (PRZ) Pressure Control is in AUTO Subsequently:
- A PRZ pressure transmitter failure occurs
- PRZ pressure channel indications are:
- PI-444 2050 psig
- PI-445 2500 psig
- PI-455 2050 psig
- PI-456 1950 psig
- PI-457 2050 psig Which ONE of the following completes the statements below regarding the expected conditions of the PRZ PORVs and spray valves?
PRZ PORVs 1RC-116 (PCV-445B) and 1RC-118 (PCV-445A) will be (1) .
The PRZ spray valves (PCV-444C and PCV-444D) will be (2) .
(Assume NO operator actions)
A. (1) OPEN (2) OPEN B. (1) OPEN (2) SHUT C. (1) SHUT (2) OPEN D. (1) SHUT (2) SHUT Wednesday, November 11, 2020 11:14:55 AM 46 Rev FINAL
2020 NRC RO WRITTEN EXAM FINAL
- 47. Which ONE of the following completes the statements below regarding an ATWS?
Reactor Trip Breaker shunt trip coils are (1) to actuate devices.
In accordance with EOP-FR-S.1, Response to Nuclear Power Generation/ATWS, if the Reactor fails to trip following opening of the Reactor Trip and Bypass Breakers locally, the next PREFERRED action is to open the rod drive MG set (2) breakers.
A. (1) energize (2) motor B. (1) energize (2) generator output C. (1) de-energize (2) motor D. (1) de-energize (2) generator output Wednesday, November 11, 2020 11:14:55 AM 47 Rev FINAL
2020 NRC RO WRITTEN EXAM FINAL
- 48. Given the following plant conditions:
- A tube rupture occurred in the 'A' SG
- Offsite power was lost
- The crew completed EOP-E-3, Steam Generator Tube Rupture, and transitioned to EOP-ES-3.1, Post-SGTR Cooldown Using Backfill The following plant conditions presently exist:
- 6.9 KV Aux Buses 'A' and 'C' have been re-energized
- The crew is preparing to restart an RCP Which ONE of the following completes the statement below?
In accordance with EOP-ES-3.1, the (1) RCP should be started FIRST to minimize any challenges to (2) .
A. (1) 'A' (2) vessel integrity B. (1) 'A' (2) core reactivity C. (1) 'C' (2) vessel integrity D. (1) 'C' (2) core reactivity Wednesday, November 11, 2020 11:14:55 AM 48 Rev FINAL
2020 NRC RO WRITTEN EXAM FINAL
- 49. Given the following plant conditions:
- A complete loss of all feedwater sources occurred
- RCS bleed and feed has been initiated Subsequently:
- All SGs are completely dry and depressurized
- Auxiliary Feedwater (AFW) capability is restored
- RCS temperature is stable Which ONE of the following completes the statements below?
In accordance with EOP-FR-H.1, Response to a Loss of Secondary Heat Sink, one intact SG will be fed using AFW at (1) KPPH.
The reason ONLY one SG is fed is to ensure (2) .
A. (1) 50 (2) a failure due to excessive thermal stresses is limited to one SG B. (1) 50 (2) RCS cooldown rates are maintained within Technical Specification limits C. (1) 200 (2) a failure due to excessive thermal stresses is limited to one SG D. (1) 200 (2) RCS cooldown rates are maintained within Technical Specification limits Wednesday, November 11, 2020 11:14:55 AM 49 Rev FINAL
2020 NRC RO WRITTEN EXAM FINAL
- 50. Given the following plant conditions:
- The unit is operating 100% power
- OST-1073, 1B-SB Emergency Diesel Generator Operability Test, in progress
- Emergency Diesel Generator 1B-SB is loaded to 6300 KW while operating in parallel with the grid Subsequently:
- EDG 1B-SB output breaker (126) trips open then recloses Which ONE of the following identifies an event that would cause breaker 126 to operate in this manner?
A. Safety Injection actuates B. A loss of offsite power occurs C. A Main Generator lockout trips D. Breaker 124, Aux Bus 1E to Emergency Bus B-SB, opens Wednesday, November 11, 2020 11:14:55 AM 50 Rev FINAL
2020 NRC RO WRITTEN EXAM FINAL
- 51. Given the following plant conditions:
- The unit is in Mode 6
- 'A-SA' Safety Train is in service
- Core Alterations are in progress
- Nuclear Flux Monitoring System (NFMS) N60 is being substituted for SR N31
- Source Range (SR) N32 is providing audible count rate in the MCR and CNMT In accordance with Technical Specifications, which ONE of the following identifies a condition that would require suspension of Core Alterations?
A. RWST level lowers to 23%
B. 'B' EDG is declared inoperable C. Instrument Bus IDP-1B-SII de-energizes D. Reactor cavity water level at the 23' 10" mark (above the flange)
Wednesday, November 11, 2020 11:14:55 AM 51 Rev FINAL
2020 NRC RO WRITTEN EXAM FINAL
- 52. Given the following plant conditions:
- A LOCA has occurred
- 'A' ESW Booster Pump has tripped
- Containment pressure is 28 psig Which ONE of the following completes the statement below?
In accordance with EOP-FR-Z.1, Response to High Containment Pressure, ESW to the
'A' Train Containment Fan Coolers is isolated to prevent .
A. an unmonitored release from Containment to the ESW system B. infusion of hydrogen into the ESW system from the Containment atmosphere C. damage to the Containment fan coolers from water hammer if the ESW Booster pump is restarted D. damage to the containment fan coolers from water hammer due to ESW flashing to steam in piping inside Containment due to low fan cooler flow Wednesday, November 11, 2020 11:14:55 AM 52 Rev FINAL
2020 NRC RO WRITTEN EXAM FINAL
- 53. Given the following plant conditions:
- The unit is operating at 100% power
- Air Compressor 1C is the lead compressor
- Air Compressor 1B is under clearance for inspection
- Air Compressor 1A is in STANDBY and isolated from CAS Panel
- Instrument Air header pressure is 110 psig Subsequently:
- Instrument Air header pressure begins to lower steadily With regard to AOP-017, Loss of Instrument Air, which ONE of the following completes the statements below?
The HIGHEST value that Air Compressor 1A will start on lowering Instrument Air header pressure is (1) psig.
If Instrument Air header pressure continues to lower, the operators are FIRST required to manually trip the Reactor when pressure lowers to (2) psig.
A. (1) 96 (2) 60 B. (1) 96 (2) 35 C. (1) 90 (2) 60 D. (1) 90 (2) 35 Wednesday, November 11, 2020 11:14:55 AM 53 Rev FINAL
2020 NRC RO WRITTEN EXAM FINAL
- 54. Given the following plant conditions:
- The unit is operating at 100% power
- MDAFW pump 'B' is under clearance Subsequently the following occurs:
- A manual Reactor Trip was initiated due to a loss of the 'A' MFP
- The TDAFW pump tripped after starting
- MDAFW flow control valves are full open
- Total AFW flow is 212 KPPH and lowering
- SG NR levels are 41% and lowering
- Containment pressure is 2.8 psig and stable Which ONE of the following would be the FIRST set of conditions that would require entry into EOP-FR-H.1, Response to Loss of Secondary Heat Sink?
All SG NR levels are (1) % AND total AFW flow is (2) KPPH.
A. (1) 39 (2) 195 B. (1) 39 (2) 205 C. (1) 24 (2) 195 D. (1) 24 (2) 205 Wednesday, November 11, 2020 11:14:55 AM 54 Rev FINAL
2020 NRC RO WRITTEN EXAM FINAL
- 55. Given the following plant conditions:
- The unit was operating at 100% power when a Reactor Trip and Safety Injection occurred due to a steam line break in Containment on the 'B' SG Current plant conditions are as follows:
- Containment pressure is 28 psig Which ONE of the following identifies the set of valves listed below that the operator must ensure are in the SHUT position using Attachment 3, Safeguards Actuation Verification, of EOP-E-0, Reactor Trip or Safety Injection, for the conditions above?
- 1. All MSIV's
- 2. 1MS-70, Main Steam B to Aux FW Turbine
- 4. ONLY 'B' MSIV
- 5. All Blowdown isolation valves
- 6. 1SI-3, BIT Outlet A. 1, 2, and 3 B. 4, 5, and 6 C. 1, 3, and 5 D. 2, 4, and 6 Wednesday, November 11, 2020 11:14:55 AM 55 Rev FINAL
2020 NRC RO WRITTEN EXAM FINAL
- 56. Given the following plant conditions:
- A Steam Generator tube rupture occurred
- The Reactor was tripped and Safety Injection actuated
- All offsite power was lost following the Reactor trip Subsequently:
- The crew is at the step in EOP-E-3, Steam Generator Tube Rupture, to depressurize the RCS to restore inventory Which ONE of the following completes the statements below?
In accordance with EOP-E-3, the RCS will be depressurized using (1) .
Due to the loss of power during depressurization, the (2) .
A. (1) one PRZ PORV (2) Reactor Vessel upper head may void resulting in a rapidly rising PRZ level B. (1) one PRZ PORV (2) Steam Generator tubes may void causing a loss of natural circulation C. (1) Auxiliary Spray (2) Reactor Vessel upper head may void resulting in a rapidly rising PRZ level D. (1) Auxiliary Spray (2) Steam Generator tubes may void causing a loss of natural circulation Wednesday, November 11, 2020 11:14:55 AM 56 Rev FINAL
2020 NRC RO WRITTEN EXAM FINAL
- 57. A failure of the compensating voltage for Intermediate Range channel NI-35 occurs resulting in NI-35 stabilizing at 2E-10 amps during a Reactor shutdown.
Which ONE of the following completes the statement below?
IF Intermediate Range channel NI-36 output lowers to less than P-6, THEN will automatically energize.
A. BOTH SR NIs B. NEITHER SR NI C. ONLY SR channel NI-31 D. ONLY SR channel NI-32 Wednesday, November 11, 2020 11:14:55 AM 57 Rev FINAL
2020 NRC RO WRITTEN EXAM FINAL
- 58. Given the following plant conditions:
- The unit is operating at 100% power
- The 'C' SG Control and Recorder Selector switches are as follows:
Subsequently:
- The controlling 'C' SG Feed Flow channel fails high
- Annunciator ALB-014-6-1A, SG C FW > STM Flow Mismatch, alarms Which ONE of the following completes the statements below?
Immediately after the failure, the 'C' SG FRV will start to go (1) .
Once 'C' SG level is under operator control, OP-134, Feedwater System, will direct the operator to select (2) to restore automatic water level control.
A. (1) OPEN (2) STM GEN C FW Flow Chan 496 ONLY B. (1) SHUT (2) STM GEN C FW Flow Chan 496 ONLY C. (1) OPEN (2) STM GEN C FW Flow Chan 496 AND STM GEN C STM Flow Chan 495 D. (1) SHUT (2) STM GEN C FW Flow Chan 496 AND STM GEN C STM Flow Chan 495 Wednesday, November 11, 2020 11:14:55 AM 58 Rev FINAL
2020 NRC RO WRITTEN EXAM FINAL
- 59. Which ONE of the following identifies the 480V power supply for S-1B, Containment Airborne Radioactivity Removal (ARR) Fan?
A. MCC 1B21-SB B. MCC 1E11 C. Bus 1B1 D. Bus 1D2 Wednesday, November 11, 2020 11:14:55 AM 59 Rev FINAL
2020 NRC RO WRITTEN EXAM FINAL
- 60. Given the following plant conditions:
- The unit was operating at 100% power when a LOCA develops inside Containment Subsequently:
- Containment pressure rises to a peak value of 12 psig
- Containment hydrogen concentration is 0.5%
Current plant conditions:
- Safety Injection System is aligned for Cold Leg Recirculation
- Containment hydrogen concentration is 5%
- Containment pressure is 3.5 psig Which ONE of the following completes the statements below in accordance with OP-125, Hydrogen Monitoring System (HMS)?
The Containment Isolation Phase (1) signal must be reset to allow aligning the Hydrogen Monitoring System from Standby to Continuous Sample Mode.
The Hydrogen Purge System (2) designed to be placed in service based on the current plant conditions.
A. (1) A (2) is B. (1) A (2) is NOT C. (1) B (2) is D. (1) B (2) is NOT Wednesday, November 11, 2020 11:14:55 AM 60 Rev FINAL
2020 NRC RO WRITTEN EXAM FINAL
- 61. Core reload is in progress in accordance with GP-009, Refueling Cavity, Refueling and Drain of the Refueling Cavity, Modes 5-6-5 Which ONE of the following completes the statements below?
The Manipulator Crane Overload Interlock stops hoist up travel when the hoist load reaches a MINIMUM of (1) lbs above the weight of the mast and fuel assembly to prevent fuel damage.
In accordance with GP-009, core reload must be suspended if BOTH Source Range channels count rates rise by a MINIMUM factor of (2) .
A. (1) 150 (2) two B. (1) 150 (2) five C. (1) 430 (2) two D. (1) 430 (2) five Wednesday, November 11, 2020 11:14:55 AM 61 Rev FINAL
2020 NRC RO WRITTEN EXAM FINAL
- 62. Given the following plant conditions:
- A waste gas release is in progress
- WPB Stack 5 PIG Monitor, REM-*1WV-3546, exceeds the HIGH ALARM setpoint Which ONE of the following identifies how the release will be automatically terminated?
A. 3WG-230, Gas Decay Tanks to Plant Vent Isolation Valve, SHUTS B. 3WG-229, WG Decay Tanks E & F to Plant Vent Valve, SHUTS C. Filtered Exhaust Fans, E-46, E-47, E-48, and E-49 TRIP D. Running Waste Gas Compressor TRIPS Wednesday, November 11, 2020 11:14:55 AM 62 Rev FINAL
2020 NRC RO WRITTEN EXAM FINAL
- 63. Which ONE of the following is an input to the Containment Critical Safety Function Status Tree (CSF-5)?
A. RM-01CR-3589SA, High Range Containment Post Accident B. REM-01LT-3502ASA, Containment RCS Leak Detection C. RM-01CR-3561BSB, Containment Ventilation Isolation D. REM-01LT-3502B, Containment Pre-Entry Purge Wednesday, November 11, 2020 11:14:55 AM 63 Rev FINAL
2020 NRC RO WRITTEN EXAM FINAL
- 64. Given the following plant conditions:
- The unit is operating at 100% power
- 'A' Normal Service Water (NSW) Pump is running Subsequently:
- The 'A' Emergency Service Water (ESW) Pump control switch is taken to START Which ONE of the following completes the statements below regarding the Service Water valve alignment two (2) minutes following the pump start?
1SW-39, NSW Supply to 'A' ESW Header, will be (1) .
1SW-276, ESW to NSW Common Return, will be (2) .
A. (1) SHUT (2) SHUT B. (1) SHUT (2) OPEN C. (1) OPEN (2) SHUT D. (1) OPEN (2) OPEN Wednesday, November 11, 2020 11:14:55 AM 64 Rev FINAL
2020 NRC RO WRITTEN EXAM FINAL
- 65. Given the following plant conditions:
- Fire header pressure is 145 psig
- No fire pumps are running Subsequently:
- A fire occurs on site
- Fire header pressure lowers to 70 psig for 30 seconds then recovers Which ONE of the following completes the statements below?
In addition to the Jockey Pump, (1) will automatically start.
After the fire is OUT, the Jockey Pump (2) secure automatically when fire header pressure is fully restored.
A. (1) ONLY the Motor Driven Fire Pump (2) will B. (1) ONLY the Motor Driven Fire Pump (2) will NOT C. (1) BOTH the Motor and Diesel Driven Fire Pumps (2) will D. (1) BOTH the Motor and Diesel Driven Fire Pumps (2) will NOT Wednesday, November 11, 2020 11:14:55 AM 65 Rev FINAL
2020 NRC RO WRITTEN EXAM FINAL
- 66. Which ONE of the following completes the statement below in accordance with AD-OP-ALL-1000, Conduct of Operations?
If needed to protect the plant, (1) can authorize resetting a protective device without knowing the cause provided a(an) (2) condition is NOT evident.
A. (1) ONLY the Shift Manager (2) thermal overload B. (1) ONLY the Shift Manager (2) overcurrent C. (1) the Shift Manager OR Control Room Supervisor (2) thermal overload D. (1) the Shift Manager OR Control Room Supervisor (2) overcurrent Wednesday, November 11, 2020 11:14:55 AM 66 Rev FINAL
2020 NRC RO WRITTEN EXAM FINAL
- 67. Given the following plant conditions:
- A post-maintenance lineup is being performed
- Circuit Breaker 1A-SA-5, Charging/SI Pump 1A-SA Breaker, is being racked in Which ONE of the following completes the statements below in accordance with AD-HU-ALL-0005, Human Performance Tools?
For this evolution, verification of "racked in" status for the breaker MUST (1) .
Circuit Breaker 1A-SA-5 (2) require Independent Verification.
A. (1) be performed LOCALLY (2) does B. (1) be performed LOCALLY (2) does NOT C. (1) use the MCB indicating light (2) does D. (1) use the MCB indicating light (2) does NOT Wednesday, November 11, 2020 11:14:55 AM 67 Rev FINAL
2020 NRC RO WRITTEN EXAM FINAL
- 68. Which ONE of the following completes the statement below in accordance with OMM-002, Shift Turnover Package?
With the unit in Mode 4, the MINIMUM shift crew composition must include (1)
Reactor Operator(s) and (2) Auxiliary Operator(s).
A. (1) one (2) one B. (1) one (2) two C. (1) two (2) one D. (1) two (2) two Wednesday, November 11, 2020 11:14:55 AM 68 Rev FINAL
2020 NRC RO WRITTEN EXAM FINAL
- 69. A Reactor startup is in progress in accordance with GP-004, Reactor Startup (Mode 3 to Mode 2).
Which ONE of the following completes the statements below?
In accordance with AD-OP-ALL-0203, Reactivity Management, the dedicated Reactor Operator for this evolution (1) be one of the Reactor Operators on the crew.
A NOTE in GP-004 states that most startups will use (2) steps on Bank D as the target for criticality.
A. (1) can (2) 90 B. (1) can (2) 130 C. (1) can NOT (2) 90 D. (1) can NOT (2) 130 Wednesday, November 11, 2020 11:14:55 AM 69 Rev FINAL
2020 NRC RO WRITTEN EXAM FINAL
- 70. Given the following plant conditions:
- The Reactor is shutdown for a scheduled refueling outage
- An RCS cooldown is in progress IAW GP-007, Normal Plant Cooldown The following information is a plot of the cooldown:
TIME RCS Tcold 0830 516°F 0845 505°F 0900 487°F 0915 477°F 0930 465°F 0945 441°F 1000 405°F 1015 378°F 1030 363°F Of the times listed below, when was the Technical Specification RCS cooldown rate limit FIRST exceeded?
A. 0900 B. 0930 C. 1000 D. 1030 Wednesday, November 11, 2020 11:14:55 AM 70 Rev FINAL
2020 NRC RO WRITTEN EXAM FINAL
- 71. Which ONE of the following completes the statements below regarding operation of the DISCP (RMS) Human Machine Interface?
Operators may navigate between screens and choose options using the (1) .
Only the (2) can be used to control the functions of the safety-related monitors.
(DISCP = Distributed Instrumentation and Control System Platform)
A. (1) keyboard ONLY (2) RM-23 B. (1) keyboard ONLY (2) DICSP C. (1) mouse AND keyboard (2) RM-23 D. (1) mouse AND keyboard (2) DICSP Wednesday, November 11, 2020 11:14:55 AM 71 Rev FINAL
2020 NRC RO WRITTEN EXAM FINAL
- 72. Given the following:
- A valve lineup will be performed in the RCA
- Highest general radiation levels are 20 mrem/hr
- Highest general area contamination levels are 1,000 dpm/100 cm2
- The valve lineup requires accessing one valve 10 feet in the overhead Which ONE of the following completes the statement below in accordance with PD-RP-ALL-0001, Radiation Worker Responsibilities?
The RWP Self-Briefing process is .
A. allowed for the given conditions B. NOT allowed due to the overhead work C. NOT allowed due to the area radiation levels D. NOT allowed due to the area contamination levels Wednesday, November 11, 2020 11:14:55 AM 72 Rev FINAL
2020 NRC RO WRITTEN EXAM FINAL
- 73. Which ONE of the following completes the statements below in accordance with AD-OP-ALL-1001, Conduct of Abnormal Operations?
If a crew member recognizes entry conditions are met for an Event Procedure, then a (1) will be used to notify the crew.
Event Procedure immediate actions (2) require CRS concurrence to perform.
A. (1) Crew Update (2) do B. (1) Crew Update (2) do NOT C. (1) Focus Brief (2) do D. (1) Focus Brief (2) do NOT Wednesday, November 11, 2020 11:14:55 AM 73 Rev FINAL
2020 NRC RO WRITTEN EXAM FINAL
- 74. Given the following plant conditions:
- The unit is operating at 100% power Subsequently:
- At 0800, a loss of MCB annunciators occurred and the crew entered AOP-037, Loss of Main Control Room Annunciators
- The CRS determined that the following Alarm Light Boxes (ALBs) were lost:
- ALB-001, Containment Spray & Accumulator System
- ALB-002, Emergency Service Normal Service Water System
- ALB-003, Miscellaneous Systems
- ALB-004, RHR/RWST System Which ONE of the following completes the statement below regarding the required action per plant procedures for loss of these ALBs?
(1) must be first logged no LATER than (2) .
A. (1) Containment sump level (2) 0810 B. (1) Containment sump level (2) 0900 C. (1) Temperature and level for both reservoirs (2) 0810 D. (1) Temperature and level for both reservoirs (2) 0900 Wednesday, November 11, 2020 11:14:55 AM 74 Rev FINAL
2020 NRC RO WRITTEN EXAM FINAL
- 75. Given the following plant conditions:
- The Reactor has tripped and Safety Injection has actuated due to a large break Loss of Coolant Accident (LOCA)
- The crew is implementing EOP-E-1, Loss of Reactor or Secondary Coolant
- The OATC reports the following for Critical Safety Function Status Trees:
- Containment - Orange
- Subcriticality - Orange
- Heat Sink - Red
- Integrity - Red Which ONE of the following identifies the procedure required to be entered?
A. EOP-FR-P.1, Response to Imminent Pressurized Thermal Shock B. EOP-FR-H.1, Response to Loss of Secondary Heat Sink C. EOP-FR-Z.1, Response to High Containment Pressure D. EOP-FR-S.1, Response to Nuclear Generation/ATWS Wednesday, November 11, 2020 11:14:55 AM 75 Rev FINAL