ML23114A054
| ML23114A054 | |
| Person / Time | |
|---|---|
| Site: | Sequoyah  |
| Issue date: | 04/24/2023 |
| From: | Tennessee Valley Authority |
| To: | NRC/RGN-II |
| References | |
| Download: ML23114A054 (1) | |
Text
1. Given the following:
Initial Conditions
- Unit 1 is at 50% RTP
- Reactor Trip breaker RTB is closed
- Bypass breaker BYA is racked in and closed Current Conditions
- A valid automatic Reactor trip signal is generated
- RTB and BYA UV trip coils failed to actuate Which one of the following completes the statements below?
BYA __(1)__ trip open.
Demand Step Counters __(2)__ read 000.
(1) (2) will will will will NOT will NOT will will NOT will NOT A.
B.
C.
D.
- 2. Given the following:
- Unit 1 is Mode 3, following a Tech Spec required shutdown
- RCS pressure is 2235 psig Subsequently,
- PZR PORV 1-HS-68-340AA Red Light Illuminates
- RCS pressure is 1900 psig and continuing to lower Which one the following completes the statements below?
In accordance with AOP-I.04, Pressurizer Instrument and Control Malfunctions, closing the PORV Block Valve (1) an immediate operator action.
In accordance with AOP-I.04, entry into E-0, Reactor Trip or Safety Injection, (2) required.
(1) (2) is is is is NOT is NOT is is NOT is NOT A.
B.
C.
D.
- 3. Given the following:
- Unit 1 is performing ECA-3.1, SGTR and LOCA - Subcooled Recovery
- RCPs are NOT running
- RCS pressure reduction is in progress Subsequently,
- PZR level begins to rise rapidly Which one of the following completes the statements below?
The depressurization will be completed using (1).
In accordance with ECA-3.1, an indication of rapidly rising Pressurizer level (2) due to Upper Head voiding.
(1) (2) one PZR PORV is one PZR PORV is NOT normal PZR Spray is normal PZR Spray is NOT A.
B.
C.
D.
- 4. Given the following:
- Unit 2 is at 100% power
- RCP #2 Standpipe Level alarm comes in
- RCP parameters indicate the following:
- RCP #2 No. 1 Seal Leakoff Flow has decreased to 0.24 gpm
- RCP #2 No. 1 Seal Differential Pressure is greater than 500 psid and steady
- RCP #2 No. 1 Seal Leakoff Temperature is 155oF and steady Which one of the following failures could lead to these indications?
- 2 seal failed open
- 1 seal failed closed Loss of seal injection 2-FCV-62-61, Seal Return Isolation Valve, failed closed A.
B.
C.
D.
- 5. Given the following:
- Unit 1 was operating at 100% power
- FCV-62-93, Charging Flow Control, is in MANUAL Subsequently,
- FCV-62-93, Charging Flow Control, is placed in Automatic and sticks at 65gpm
- Normal letdown is in service using a 75 gpm orifice
- Identified leakage is 10 gpm
- Unidentified leakage is 1 cc/hr
- RCP seal leak-off is 3 gpm per pump If no operator actions are taken, approximately how much time will elapse before the "PZR LVL Low Heater OFF and Letdown Secured" alarm is received?
70 minutes 83 minutes 137 minutes 164 minutes A.
B.
C.
D.
- 6. Given the following:
Unit 2 is at 80% power when a step load change in power occurs.
Pressurizer pressure drops to 2205 psig.
Automatic pressure control responds as designed.
As pressure rises to 2214 psig, 2-PIC-68-340A, PZR Pressure Controller, output is observed to be 10% and not responding.
The controller is placed in MANUAL with the controller output reading 10%.
Assuming NO further operator action, which one of the following identifies the system response?
All Heater banks remain ON and pressure will be controlled by PZR Spray valves.
Heater banks C & D remain ON, Heater Banks A & B turn OFF and pressure will be controlled by PZR Spray valves.
All Heater banks remain ON and pressure will be controlled by PZR PORVs.
Heater banks C & D remain ON, Heater Banks A & B turn OFF and pressure will be controlled by PZR PORVs.
A.
B.
C.
D.
- 7. Given the following on Unit 1:
FR-S.1, "Nuclear Power Generation / ATWS" is being performed EA-68-4, "Emergency Boration" is being performed using the BAT as the boration source
- When the OATC releases the 1-HS-62-138A, EMERGENCY BORATION FLOW CONTROL VALVE switch, boric acid flow is at 45 gpm 2 minutes after EA-68-4 has been initiated, plant conditions are as follows:
Tave is 553°F and slowly lowering All rod bottom lights are LIT Which one of the following completes the statement below?
The boric acid flow (1) greater than minimum required flow AND Emergency Boration (2) be terminated under given conditions.
(1) (2) is can is can NOT is NOT can is NOT can NOT A.
B.
C.
D.
- 8. Given the following:
A Steam Generator Tube Rupture occurred on Unit 2
- Offsite power was lost The crew is performing E-3, Steam Generator Tube Rupture Which one of the following completes the statements below?
The initial RCS cooldown will be controlled using (1) temperatures.
The cooldown will be performed using (2).
(1) (2)
RCS hot leg steam dumps RCS hot leg ARVs Core Exit Thermocouples steam dumps Core Exit Thermocouples ARVs A.
B.
C.
D.
- 9. Given the following:
- Unit 1 is at 90% RTP Subsequently,
- 1A MFPT Trips Which one of the following completes the statements below?
An automatic Main Turbine runback to (1) load will occur.
The TDAFW pump (2) automatically start.
(1) (2)
~50% will
~50% will NOT
~72% will
~72% will NOT A.
B.
C.
D.
- 10. Given the following:
- Station Blackout has occurred
- Unit 1 entered ECA-0.0, Loss of All AC Power Which one of the following completes the statements below?
Prior to any restoration of power...
Rod bottom light indications on M-4 (1) be available.
Core Exit Thermocouple indications on M-4 (2) be available.
(1) (2) will will will will NOT will NOT will will NOT will NOT A.
B.
C.
D.
- 11. Given the following:
- Unit 1 is 100%
Subsequently,
- A loss of Offsite Power occurs Which one of the following completes the statements below?
Immediately after the LOOP, momentary core cooling (1) be provided by RCPs.
One minute after the LOOP, RCPs (2) be restarted.
(1) (2) will can will can NOT will NOT can will NOT can NOT A.
B.
C.
D.
- 12. Given the following:
A reactor startup is in progress Reactor power is 8 X 10-3%
Vital Instrument Power Bd. 1-II is lost Which one of the following choices completes the statement below?
The reactor trips due to loss of ___(1)___.
Only ___(2)___ can be reinstated.
(1)
(2)
IR N-35 SR N-31 IR N-35 SR N-32 IR N-36 SR N-31 IR N-36 SR N-32 A.
B.
C.
D.
- 13. Given the following:
- Both Units are at 100% RTP Subsequently the following alarm is received:
- 125V DC VITAL CHGR III FAIL / VITAL BAT III DISCHARGE ( 1-M1-C, Window C-4)
Which one of the following completes both statements below?
In accordance with 1-SI-OPS-000-003.W, "Weekly Shift Log," the maximum allowable Tech Spec limit for the Vital Battery Board DC voltage is __(1)__.
In accordance with 1-AR-M1-C, Window C-4, 125V DC VITAL CHGR III FAIL / VITAL BAT III DISCHARGE," Downscale (zero or below) deflection of EI-57-94, Vital Battery BD III Amps, indicates current flow from the __(2)__.
(1) (2) 140V DC battery 140V DC charger 144V DC battery 144V DC charger A.
B.
C.
D.
- 14. Given the following:
Both Units are at 100% power ERCW is in normal alignment ERCW headers 1A & 2A are indicating LOW flow The following MCR alarms are LIT:
1-M-15A Window B-6, MECH EQUIP SUMP LVL HI 0-M-27A Window A-1, UNIT 1 HEADER A PRESSURE LOW 0-M-27A Window B-3, UNIT 2 HEADER A PRESSURE LOW NO OTHER alarms are lit associated with the ERCW system.
Which one of the following ERCW conditions accounts for the above indications?
A supply header has ruptured in the Yard Area.
A discharge header has ruptured in the Yard Area.
A rupture has occurred upstream of the 2A strainer.
A rupture has occurred downstream of the 1A strainer.
A.
B.
C.
D.
- 15. Which one of the following completes the statements below?
FCV-62-93, Charging Flow Control Valve, receives actuation air from the (1) air header.
FCV-62-93, Charging Flow Control Valve, fails (2).
(1) (2)
Aux open Aux closed Control open Control closed A.
B.
C.
D.
- 16. Given the following:
- Unit 1 is at 75%
- CRO reports Grid Frequency is 60.3 Hz In accordance with AOP-P.07, Degraded Grid or Abnormal Voltage Conditions, which one of the following completes the statements below?
A Reactor and Main Turbine trip (1) be directed.
The reason for the transfer of DGs to the Shutdown Boards is based on (2).
(1) (2) will exceeding steady state limit for off-frequency operation of LP turbine will exceeding the analysis limits concerning the speed of safety-related motors will NOT exceeding steady state limit for off-frequency operation of LP turbine will NOT exceeding the analysis limits concerning the speed of safety-related motors A.
B.
C.
D.
- 17. Given the following:
- Unit 1 is performing ECA-1.2, LOCA Outside Containment A major action category for ECA-1.2 in accordance with EPM-4, User's Guide, is to.
check if break is isolated maintain RCS heat removal raise/conserve RWST level try to add makeup to RCS from an alternate source A.
B.
C.
D.
- 18. Given the following:
- Unit 1 is performing FR-H.1, Loss of Secondary Heat Sink Which one of the following completes the statements below?
In accordance with FR-H.1 Foldout Page, when CST level is less than (1) the AFW suction source is required to be swapped to ERCW.
The automatic swapover of AFW supply from the CSTs to ERCW uses (2) to initiate.
(1) (2) 5% CST level instruments 5% suction pressure instruments 27% CST level instruments 27% suction pressure instruments A.
B.
C.
D.
- 19. Given the following:
- Unit 1 is preparing for a reactor startup
- Shutdown Banks are fully withdrawn
- Level trip bypass switch for N31 is in the "Bypass" position Which one of the following completes the statements below?
A reactor trip (1) occur due to a loss of (blown) N31 Control Power fuses.
A reactor trip (2) occur due to a loss of (blown) N31 Instrument Power fuses.
(1) (2) will will will will NOT will NOT will will NOT will NOT A.
B.
C.
D.
- 20. Given the following:
- Annunciator "0-RA-90-212A STA SUMP DISCH HIGH RADIATION" in alarm and valid
- Station sump pumps operating in automatic and maintaining level in the sump Which one of the following completes the statements below concerning the required system alignment in accordance with 0-AR-M12-A (window E-1),
UNIT 1 AND COMMON RADIATION MONITOR 0-XA-55-12A?
Turbine Building Sump pump discharge shall be aligned to the (1).
The LVWT pond "L valve", 0-40-783, shall be (2).
(1) (2)
Yard Drainage Pond "cattail pond" Open Yard Drainage Pond "cattail pond" Closed LVWT pond Open LVWT pond Closed A.
B.
C.
D.
- 21. Given the following:
- Unit 2 is performing EA-68-4, Emergency Boration, for a cooldown in ES-1.2, Post LOCA Cooldown and Depressurization
- Rod C-7 is stuck at 200 steps
- The BAT will be boration source Which one of the following completes the statements below?
To place RHR in service at the maximum allowable temperature, the total required boration volume is (1).
In accordance with ES-1.2 the reason for the emergency boration is (2).
REFERENCE PROVIDED (1) (2) 5300 the stuck rod 5300 maintain shutdown margin 6280 the stuck rod 6280 maintain shutdown margin A.
B.
C.
D.
- 22. Given the following:
The STA reports an ORANGE condition on the CONTAINMENT (FR-Z)
Status Tree due to high level in the containment sump.
Which one of the following...
(1) describes the actions that will be directed by FR-Z.2, Containment Flooding, and (2) what is the concern if these actions are not successful?
(1) Divert RHR flow from the Containment Sump to the RWST to lower the Containment Sump Level.
(2) Components needed for plant recovery could be damaged due to water radioactivity level.
(1) Identify and isolate the source of excess water.
(2) Components needed for plant recovery could be damaged due to water radioactivity level.
(1) Identify and isolate the source of excess water.
(2) Components needed for plant recovery could be damaged due to high water level.
(1) Divert RHR flow from the Containment Sump to the RWST to lower the Containment Sump Level.
(2) Components needed for plant recovery could be damaged due to high water level.
A.
B.
C.
D.
- 23. Given the following plant conditions:
Unit 1 is operating at 100% power.
A lower containment purge is in progress in accordance with 0-SO-30-3, Lower Containment Purge Operation.
Which one of the following identifies...
(1) the minimum required logic to initiate an automatic Containment Ventilation Isolation signal and (2) whether the 1-RM-90-106, Lower Containment Radiation Monitor control board indication remains valid after the isolation signal?
Note: 1-RM-90-130 & 131, Containment Purge Rad Monitors (1) BOTH rad monitors (90-130 & 131) must reach the high setpoint; (2) VALID (1) BOTH rad monitors (90-130 & 131) must reach the high setpoint; (2) NOT VALID (1) ONLY one rad monitor (90-130 OR 131) must reach the high setpoint; (2) VALID (1) ONLY one rad monitor (90-130 OR 131) must reach the high setpoint; (2) NOT VALID A.
B.
C.
D.
- 24. Given the following:
The crew is implementing ES-1.2, "Post LOCA Cooldown and Depressurization".
The 1A-A Centrifugal Charging Pump (CCP) is running.
Both Safety Injection Pumps (SIPs) are running.
The crew has determined that one SIP can be stopped.
Which one of the following completes the statements below?
After the SIP is stopped, the subcooling value will stabilize at a (1) value when break flow and ECCS flow equalize.
If subcooling is adequate, the next required procedure action is to (2).
(1) Lower (2) establish normal charging (1) Higher (2) establish normal charging (1) Lower (2) stop the second SIP (1) Higher (2) stop the second SIP A.
B.
C.
D.
- 25. Given the following:
- ES-0.3, Natural Circulation Cooldown with Steam Void in Vessel (With RVLIS), is in progress
- RCP seal flow is 8 gpm to each pump
- RCP thermal barrier isolation has occurred Which one of the following completes the statements below in accordance with ES-0.3?
RCP seal cooling (1) considered ESTABLISHED and RCS cooldown rate is limited to a maximum of (2).
(1) (2) is 50oF/hour is NOT 50oF/hour is 100oF/hour is NOT 100oF/hour A.
B.
C.
D.
- 26. Given the following:
Unit 1 is performing FR-P.1, Pressurized Thermal Shock Current plant conditions are:
- ALL SGs are Faulted
- RCS Tcold is 250°F and slowly lowering
- RCS pressure is 700 psig
- PZR level is 90% and rising
- CCPs are injecting via the CCPIT
- Total AFW flow is 300 gpm Which one of the following identifies the FIRST required action in accordance with FR-P.1?
Raise total AFW flow to greater than 440 gpm Reduce AFW flow to no greater than 50 gpm per SG Reset SI and stop both CCPs Reset SI, stop one CCP, and isolate the CCPIT A.
B.
C.
D.
- 27. Which one of the following completes the statements below?
The RCP oil coolers are cooled by (1).
The RCP motor coolers are cooled by (2).
(1) (2)
CCS CCS CCS ERCW ERCW CCS ERCW ERCW A.
B.
C.
D.
- 28. Given the following:
Unit 2 is at 100%
Rod control is in Manual Tavg has decreased 1.5°F over the last hour Which one of the following will result in these conditions?
CVCS letdown heat exchanger temperature control valve failed open 2-FCV-62-138, Emergency Boration Flow Control valve, is leaking by Primary water makeup flow was set at 70 gpm during the last manual makeup to the VCT A CVCS mixed bed demineralizer with new resin was put in service before being borated A.
B.
C.
D.
- 29. Given the following:
Unit 1 is in Mode 4 RHR Train "A" is in service per 0-SO-74-1, Residual Heat Removal System Which one of the following malfunctions will result in a REDUCTION in RHR flow through the RHR Heat Exchanger 1A?
A loss of air to 1-FCV-74-32, RHR HTX Bypass air to 1-FCV-74-16, RHR HTX "A" Outlet 120V AC Vital Instrument Power Board 1-II 480V Shutdown Board 1A1-A A.
B.
C.
D.
- 30. Given the following:
- A small break LOCA has occurred on Unit 1.
- Reactor MOV Board 1A1-A has lost power.
- The crew is performing ES-1.2, POST LOCA COOLDOWN AND DEPRESSURIZATION.
- ES-1.2 directs closing Cold Leg Accumulators (CLA) isolation valves The Crew will isolate CLAs (1) and vent CLAs (2).
(1) 2 and 4 (2) 1 and 3 (1) 1 and 3 (2) 2 and 4 (1) 2 and 3 (2) 1 and 4 (1) 1 and 4 (2) 2 and 3 A.
B.
C.
D.
- 31. Given the following:
- Unit 1 is at 100%
- Annunciator TS-62-75 LOW PRESSURE LETDOWN RELIEF TEMP HIGH (1-M-6C Window C-4) is in alarm
- Annunciator PS-68-301, PRESSURIZER RELIEF TANK PRESS HIGH (1-M-5A Window D-1) is in alarm
- Maximum indicated on 1-PI-68-301, PRT PRESS, is 77psig
- RCS leakrate is calculated at 3 gpm Which one of the following completes the statements below?
Containment pressure (1) expected to be rising.
The RCS leakrate (2) exceed LCO 3.4.13, RCS Operational LEAKAGE, requirements.
(1) (2) is does is does NOT is NOT does is NOT does NOT A.
B.
C.
D.
- 32. Given the following:
- BOTH CCS Surge Tank levels are at 87% and increasing
- All CCS Liquid Effluent Radiation Monitors are reading normal and stable
- Surge tank makeup valves 1-FCV-70-63 and 2-FCV-70-63 are closed
- BOTH trains of CCS are at 100 psig
- ERCW system pressure is at the top of its allowable control band Which one of the following describes the cause of the high CCS surge tank levels?
RCS leak into a CCS heat exchanger ERCW leak into a CCS heat exchanger 1A and 1B CCS pumps are operating in parallel CCS flow is not properly balanced between trains and units A.
B.
C.
D.
- 33. Given the following:
Unit 1 is in Mode 3 RCS Tavg is 547°F and pressurizer pressure is 2235 psig
- All control systems are in automatic Which one of the following would result in annunciator, TS-68-316, 317 PRESSURIZER SPRAY LINES TEMP LOW, being actuated?
RCS Tavg dropping to 534°F Pressurizer pressure dropping to 1900 psig Degraded RCS flow in Loop 4 Insufficient flow through the PZR spray bypass valves A.
B.
C.
D.
- 34. Given the following:
- Unit 1 is at 40% Reactor power Which one of the following completes the statements below?
(consider each statement separately)
If one RCP trips, the RX (1) automatically trip.
If the Main Turbine trips, the RX (2) automatically trip.
(1) (2) will will will will NOT will NOT will will NOT will NOT A.
B.
C.
D.
- 35. Given the following:
A Safety Injection occurred on Unit 1 The crew is currently performing E-1, Loss of Reactor or Secondary Coolant, to terminate the Safety Injection
- The OATC has pressed both SI Reset pushbuttons
- All Steam Generator Pressures are ~1000 psig Subsequently,
- A main steamline break occurs downstream #2 MSIV at a rate of 200 psig/min Which one of the following completes the statements below?
The MSIVs (1) automatically close.
An automatic SI (2) actuate.
(1) (2) will will will will NOT will NOT will will NOT will NOT A.
B.
C.
D.
- 36. Given the following :
Refueling is in progress on Unit 1 when a report is made to the control room that an irradiated fuel assembly has been dropped.
The following is the status of alarms on 0-XA-55-12A:
RA-90-112A CNMT BLDG UP COMPT AIR MON HIGH RAD is Lit RA-90-59A RX BLDG AREA RAD MON HIGH RAD is Lit Which one of the following correctly completes the statements below?
A Containment Ventilation Isolation _(1)_ automatically occur.
In accordance with AOP-M.04, Refueling Malfunctions, Containment Closure (2) required.
(1) (2) will is will is NOT will NOT is will NOT is NOT A.
B.
C.
D.
- 37. Which electrical board is the 2C Lower Containment Cooling Fan directly powered from?
480V C&A Vent Board 2A1-A 480V Shutdown Board 2A2-A 480V Reactor Vent Board 2B-B 480V Reactor MOV Board 2A1-A A.
B.
C.
D.
- 38. Which one of the following identifies a provision of the containment ice condenser design that increases the ice condenser's ability to remove heat during a small break LOCA?
Melted ice is directed away from the inlet doors by turning vanes.
Half of the ice bays have a drain which directs melted ice away from the inlet doors.
Inlet doors have proportioning springs to modulate door opening.
Intermediate doors have proportioning springs to modulate door opening.
A.
B.
C.
D.
- 39. Given the following:
- Unit 1 is at 100% power Subsequently,
- A LOCA occurred
- ES-1.3, Transfer to RHR Containment Sump, is in progress
- Containment pressure peaked at 3.0 psig
- Current containment pressure is 1.8 psig and stable In accordance with ES-1.3, which one of the following identifies the MINIMUM action(s) necessary to allow 1B-B Containment Spray Pump to be stopped and placed in A-AUTO?
Reset the Train B Phase B signal and then the Train B Containment Spray signal Reset the Train B Containment Spray signal ONLY Reset Train A and Train B Containment Spray signals Reset the Train B Phase B ONLY A.
B.
C.
D.
- 40. Given the following:
- Unit 2 is in MODE 4
- The 2A Containment Spray Pump is declared INOPERABLE Which one of the following completes the statements below?
LCO 3.6.6, Containment Spray System, is (1) because (2).
(1) Met (2) Only 1 train of Containment Spray is required (1) Met (2) RHR spray is available (1) NOT Met (2) 2 trains of Containment Spray are required (1) Not Applicable (2) the Unit is in MODE 4 A.
B.
C.
D.
- 41. Given the following:
Unit 2 is in Mode 3 RCS pressure is 2235 psig Steam dumps in Steam Pressure Mode Atmospheric Relief Valves have been set per 2-SO-1-1, Main Steam System All RCP's are running Subsequently, A complete loss of Condenser vacuum occurs Which one of the following identifies the value at which Tave should stabilize, assuming no operator action?
547oF 549oF 552oF 554oF A.
B.
C.
D.
- 42. Given the following:
- Unit 1 is 70% RTP
- #1 SG level begins lowering at 10%/min AR-M3-B (D-1) DCS Transfer to Manual 1-M-3 Alarms Which one of the following completes the statements below?
(1) is/are expected to Transfer to Manual.
Immediate Operator action (1) required for this event.
(1) (2)
All FRV's is All FRV's is NOT Only #1 FRV is Only #1 FRV is NOT A.
B.
C.
D.
- 43. Given the following:
- Unit 1 is performing a surveillance test on the TDAFW pump when the following alarm is received on 1-M-3C:
- AUX FWP TURBINE 1A-S MECHANICAL OVERSPEED TRIP (Window A-4)
Which one of the following completes the statements below?
The setpoint for the overspeed trip is (1).
After the Mechanical Overspeed mechanism is RESET and LATCHED, in accordance with 1-SO-3-2, Auxiliary Feedwater System, Hold 1-HS-1-51A-S, Trip/Throttle Valve, (2) for 10 seconds to clear the overspeed alarm.
(1) (2) 4300 rpm open 4300 rpm closed 4900 rpm open 4900 rpm closed A.
B.
C.
D.
- 44. Given the following:
Unit 2 is in Mode 1 The TDAFW Pump is tagged out of service A Loss of Feedwater causes a reactor trip Concurrent with the trip, 2B-B 6.9kV SDBD de-energizes on Differential fault Assuming NO operator actions have been taken, which one of the following describes the Auxiliary Feedwater alignment and approximate flowrate?
1 and 2 S/Gs being fed at 220 GPM each 1 and 2 S/Gs being fed at 440 GPM each ALL S/Gs being fed at 110 GPM each ALL S/Gs being fed at 220 GPM each A.
B.
C.
D.
- 45. Given the following:
- Unit 1 was operating at 100% RTP
- A loss of Vital Instrument Power Board 1-I occurred Subsequently,
- A unit trip and safety injection occurred
- 1A-A EDG trips immediately after starting Which one of the following describes the status of ECCS loads?
Both trains of ECCS actuations occurred normally Neither train of ECCS actuations occurred normally Train A ECCS actuations occurred normally, but various train B actuations failed to function due to loss of power to slave relays Train B ECCS actuations occurred normally, but various train A actuations failed to function due to loss of power to slave relays A.
B.
C.
D.
- 46. Given the following:
- The 6900/480V transformer aligned to the 480V Unit Board 1A fails Which of the following completes the statements below?
The 480V Unit Board 1A (1) automatically transfer to alternate.
In accordance with 1-SO-201-5, 480V Unit Boards, the Common Emergency Transformer (2) supply more than one 480V Unit Board.
(1) (2) will can will can NOT will NOT can will NOT can NOT A.
B.
C.
D.
- 47. Given the following:
- Unit 1 is 2% Power
- The 1A-A and 1B-B MDAFW pumps are running Subsequently,
- A loss of 125V DC Vital Battery Board I occurs In accordance with AOP-P.02, Loss of 125V DC Vital Battery Board, which one of the following completes the statement below?
A Reactor Trip (1) required.
The 1A-A MDAFW pump (1) be started/stopped from the MCR.
(1) (2) is CAN is CANNOT is NOT CAN is NOT CANNOT A.
B.
C.
D.
- 48. Given the following:
- The 1A-A EDG is being synchronized to the 1A-A Shutdown Board
- The Voltage Regulator is being adjusted Which one of the following completes the statements below in accordance with 0-SO-82-1, Diesel Generator 1A-A?
The Voltage Regulator will be adjusted in the (1) position.
Incoming Voltage will be adjusted to (2) Running Voltage.
(1) (2)
MANUAL match MANUAL be slightly higher than PULL-P-AUTO match PULL-P-AUTO be slightly higher than A.
B.
C.
D.
- 49. Given the following:
Both Units operating at 100% RTP All systems are in a normal alignment A tube leak occurs in the Unit 2 Letdown Heat Exchanger Assuming no operator action, which one of the following describes the effects on CCS?
Radiation Monitor 2-RM-90-123A indication rises. BOTH Surge Tank vent valves 1-FCV-70-66 and 2-FCV-70-66 close when the monitor reaches the HIGH rad setpoint.
Radiation Monitor 2-RM-90-123A indication rises. ONLY Surge Tank vent valve 2-FCV-70-66 closes when the monitor reaches the HIGH rad setpoint.
Unit 2 Surge Tank level lowers. The 2A and C-S CCS pumps will both lose suction when the surge tank empties.
Unit 2 Surge Tank level lowers. The 2A CCS pump will lose suction when the surge tank empties.
A.
B.
C.
D.
- 50. Given the following:
Both units are at 100% rated thermal power with all components in normal alignment
- A Safety injection occurs on Unit 1 Which one of the following predicts the automatic response of the following ERCW System valves?
Note:
0-FCV-67-151, CCS Heat Exchanger '0B1' Disch to Header A 0-FCV-67-152, CCS Heat Exchanger '0B2' Disch to Header B 0-FCV-67-151, automatically travels to 100% open.
0-FCV-67-152, automatically throttles to 35% open.
0-FCV-67-151, remains as is.
0-FCV-67-152, automatically travels to 100% open.
0-FCV-67-151, remains as is.
0-FCV-67-152, automatically throttles to 35% open.
0-FCV-67-151, automatically travels to 100% open.
0-FCV-67-152, automatically travels to 100% open.
A.
B.
C.
D.
- 51. Given the following:
- Unit 1 is MODE 1
- A partial loss of Raw Cooling Water has occurred
- Raw Cooling Water pressure is 40 psig
- ERCW supply header temperature is stable at 73 degrees on both trains
- Both ERCW trains are OPERABLE Which one of the following identifies the required action (if any) in accordance with EA-32-2, Establishing Control and Service Air?
No action is required Align ERCW to the station air compressors Place station air compressors in HALF LOAD Place station air compressors in SAFE/STOP A.
B.
C.
D.
- 52. Which one of the following completes the statements below in accordance with 0-SO-32-1, Control Air System, precautions and limitations?
(1) is(are) a symptom of excessive moisture in the Control Air System.
Control Air Dryer moisture alarms are located (2).
(1) (2)
Pressure perturbations locally Pressure perturbations in the Main Control Room Ice formation in air lines locally Ice formation in air lines in the Main Control Room A.
B.
C.
D.
- 53. Given the following:
- Unit 1 is MODE 1 Subsequently,
- A steam line break occurs
- Containment pressure is monitored
- 09:01:00 0.51 psid
- 09:03:00 1.51 psid The Containment Vacuum Relief isolation valves FCV-30-46, 47, and 48 will automatically close at (1).
The Containment Vacuum Relief isolation valves use (2) air to operate.
(1) (2)
~ 0901 essential
~ 0901 non-essential
~ 0903 essential
~ 0903 non-essential A.
B.
C.
D.
- 54. Given the following:
- Phase B was inadvertently manually actuated Which one of the following actions will NOT occur during a manual Phase B?
Containment Spray Pumps start Main Steam Isolation Valves close Containment Vent Isolation Signal initiated Essential Control Air to Containment isolates A.
B.
C.
D.
- 55. Given the following:
- Unit 2 is in Mode 6
- Train A RHR cooling was placed in service at 2500 gpm Subsequently,
- RCS water level is 6970 and slowly lowering
- The crew enters AOP-R.03, RHR System Malfunction Which of the following completes the statements below, in accordance with AOP-R.03?
RHR flow (1) required to be reduced to 2000 gpm.
If an RHR pump exhibits signs of cavitation, the operating crew will (2).
(1) is (2) place RHR pump in P-T-L (1) is (2) restore RCS level to normal band (1) is NOT (2) place RHR pump in P-T-L (1) is NOT (2) restore RCS level to normal band A.
B.
C.
D.
- 56. Given the following:
- The OATC withdrew Shutdown Bank A rods 50 steps
- The following indications are observed
- SHUTDOWN BANK A GROUP 1 and 2 Demand Counters are 050
- Rod M2 RPI is 63 steps
- Rod E5 RPI is 37 steps
- Rod L5 RPI is 62 steps
- ALL other rods in SHUTDOWN BANK A RPIs are 49 steps Which of the following completes the statement below?
In accordance with LCO 3.1.4, Rod Group Alignment Limits, position(s) is(are) exceeding accuracy requirements.
Rod M2 ONLY Rod E5 ONLY Rods M2 and L5 ONLY Rods M2 and E5 ONLY A.
B.
C.
D.
- 57. Given the following:
- Unit 1 is MODE 6
- Spent Fuel Pool Weir Gate is OPEN
- Fuel Transfer Wafer Valve 1-VLV-78-610 is CLOSED Subsequently,
- 200 gpm leak develops on the in-service on RHR train Which one of the following completes the statements below?
Reactor Cavity level will (1).
Spent Fuel Pool level will (2).
(1) (2) lower lower lower remain constant remain constant lower remain constant remain constant A.
B.
C.
D.
- 58. Given the following:
- Unit 1 is 35% RTP Subsequently,
- All Steam Dumps fail full open Which one of the following completes the statements below?
Based on 0-SO-1-2, Steam Dump System, Precautions and Limitations, Reactor Power will be (1).
Main Turbine MWe will (2).
(1) (2) 75% lower 75% remain the same 85% lower 85% remain the same A.
B.
C.
D.
- 59. Given the following:
- Unit 2 is at 92% power
- ONE Condenser Steam Dump valve fails open
- Control Rods are in MANUAL Which one of the following describes the effect on the unit and the MINIMUM action required in accordance with AOP-S.05, Main Steam or Feedwater Line Break/Leak?
Tave will rise; Place Steam Dump Control, 2-HS-1-103A and 103B to OFF Tave will rise; Trip the reactor and close the MSIVs Tave will lower; Place Steam Dump Control, 2-HS-1-103A and 103B to OFF Tave will lower; Trip the reactor and close the MSIVs A.
B.
C.
D.
- 60. Given the following:
- Unit 2 is at 60% RTP
- Condenser vacuum pumps "A" and "B" are in service
- Condenser vacuum pump "C" is in standby
- Condenser inleakage is 17 SCFM
- Condenser backpressure is 0.9 psia Subsequently,
- Condenser vacuum pump "B" trips Which one of the following completes the statements below?
Condenser backpressure will (1).
Condenser vacuum pump "C" (2) immediately auto start.
(1) (2) rise will rise will NOT remain constant will remain constant will NOT A.
B.
C.
D.
- 61. Which one of the following would cause the Main Feedwater Pump 2A to trip automatically?
Condenser Vacuum 4 psia MFP turbine speed of 4900 RPM Injection Water pressure of 240 psig MFP Suction Valve drifting to 60% Open A.
B.
C.
D.
- 62. Given the following:
Waste Gas Decay Tank A is "IN SERVICE" Waste Gas Decay Tank D is in "STANDBY MODE" An automatic transfer occurs from WGDT A to WGDT D An AUO dispatched to respond to the transfer reports the following:
WGDT A pressure is 100 psig WGDT D pressure is 20 psig Which one of the following completes the statements below?
The transfer occurred (1).
WGDT D pressure (2) above minimum pressure to be "IN SERVICE".
(1) (2) early is early is NOT normally is normally is NOT A.
B.
C.
D.
- 63. Given the following:
- The Unit 1 Hydrogen Seal Oil System Water Fog HPFP System is required due to a fire
- 1-HS-26-72A, H2 SEAL OIL UNIT FOG CONTROL, on 1-M-15 is placed in ON The following indications are observed:
- Amber Light is LIT
- White Light is LIT
- Red Light is NOT LIT Which one of the following completes the statements below?
The system is...
Operating as expected NOT Operating as expected, the Red Light should be LIT NOT Operating as expected, the White Light should DARK NOT Operating as expected, the White Light should be DARK AND the Red Light should be LIT A.
B.
C.
D.
- 64. In accordance with OPDP-1, Conduct of Operations, which one of the following completes the statements below?
Operations Trainees in license class are allowed to operate the controls as an under instruction if they are designated in (1).
The Qualified Operator and his/her under instruction watch together (2) sign for 1st and 2nd party on a Concurrent Verification (CV) step.
(1) (2)
LMS can LMS can NOT Standing Orders can Standing Orders can NOT A.
B.
C.
D.
- 65. Given the following:
- Unit 1 is at 100% Power
- PZR PORV 68-340A fails to 50% open
- 1-HS-68-340AA is taken to close, the PORV closes, and the plant stabilizes
- The lowest RCS pressure recorded for the event was 2215 psig Which one of the following completes the statements below?
Expected indicating light status on Panel M-5 for the failed PORV at 50%
position is (1).
RCS pressure (2) fall below the DNB pressure limit of LCO 3.4.1, RCS Pressure, Temperature and Flow DNB Limits.
(1) BOTH lights LIT (2) did NOT (1) BOTH lights LIT (2) did (1) BOTH lights DARK (2) did NOT (1) BOTH lights DARK (2) did A.
B.
C.
D.
- 66. Given the following:
- The Unit 1 Main Generator Voltage regulator must be placed in Manual for maintenance Which of the following completes the statements below?
The maximum allowed time to notify the Transmission operator when the Voltage regulator is placed in Manual is (1).
When in Manual, the MVAR Limit is (2) restrictive.
(1) (2) 30 min less 30 min more 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> less 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> more A.
B.
C.
D.
- 67. The Unit 2 RO is performing a technical procedure in the control room. The next step is a conditional step and the condition is NOT met.
Which one of the following completes the statements below, in accordance with NPG-SPP-22.207, Procedure Use and Adherence?
The step shall be (1).
A supervisor's initial (2) required.
(1) marked N/A (2) is (1) marked N/A (2) is NOT (1) circled, but NOT slashed (2) is (1) circled, but NOT slashed (2) is NOT A.
B.
C.
D.
- 68. Given the following plant conditions:
A source check is to be performed on CCS radiation monitor 1-RE-90-123.
Which one of the following completes the statements below?
The source check is verified by observing the (1) on 0-M-12.
The isolation function of 1-RE-90-123 (2) be manually blocked during the source check in accordance with 1-SO-90-1, Liquid Process Radiation Monitors.
(1) analog rate meter responds upscale (2) can (1) analog rate meter responds upscale (2) can NOT (1) bargraph display responds upscale (2) can (1) bargraph display responds upscale (2) can NOT A.
B.
C.
D.
- 69. Which one of the following completes the statements below for a NOUE Classification, in accordance with EPIP-2, NOTIFICATION OF UNUSUAL EVENT?
Assembly/Accountability (1) required.
TSC activation (2) required.
(1) (2) is is is is NOT is NOT is is NOT is NOT A.
B.
C.
D.
- 70. A reactor startup is being performed shortly after a reactor TRIP following a steady state 100% power history. The reactor is currently at 10 percent power, and is being returned to 100 percent power at 2.0 percent per minute instead of the normal rate of 0.5 percent per minute.
At the faster rate of power increase, the minimum amount of xenon-135 will occur
__________ than normal; and the amount of equilibrium xenon-135 at 100 percent power will be __________.
sooner; the same sooner; smaller later; the same later; smaller A.
B.
C.
D.
- 71. A major reason for installing burnable poisons in a reactor is to decrease the amount of fuel required to produce a given amount of heat.
decrease the amount of fuel required to produce a given duration of plant operation.
allow more fuel to be loaded to prolong a fuel cycle.
absorb neutrons that would otherwise be lost from the core.
A.
B.
C.
D.
- 72. Shortly after a reactor trip, reactor power indicates 5.0 x 10-2 percent when a stable negative startup rate is attained.
Approximately how much additional time is required for reactor power to decrease to 5.0 x 10-3 percent?
90 seconds 180 seconds 270 seconds 360 seconds A.
B.
C.
D.
- 73. A reactor is shut down with reactor coolant system (RCS) pressure at 985 psig and core decay heat is being removed via the steam generators (SGs). What pressure must be maintained in the SGs to obtain a 50°F subcooling margin in the reactor coolant leaving the SGs? (Assume the reactor coolant leaves the SGs at the SG saturation temperature.)
555 psia 566 psia 639 psia 650 psia A.
B.
C.
D.
- 74. A Pressurizer PORV is leaking by with the leakage being collected in the Pressurizer Relief Tank. Pressurizer pressure is 2185 psig and the Pressurizer Relief Tank pressure is 5 psig.
With dry saturated steam in the pressurizer vapor space, which one of the following is the condition of the fluid just downstream of the relief valve?
Superheated steam Subcooled liquid Dry saturated steam Wet vapor A.
B.
C.
D.
- 75. Given the following:
- Unit 1 startup is in progress
- Operators are withdrawing Control Bank A rods Which one of the following completes the statement below?
Control Bank B rods will begin to withdraw when Control Bank A is at (1).
The design bases of the bank overlap is (2).
(1) 100 steps (2) To prevent a radial flux tilt from occurring during rod-withdrawal (1) 128 steps (2) To prevent a radial flux tilt from occurring during rod-withdrawal (1) 100 steps (2) To provide a more uniform flux distribution during rod withdrawal and insertion (1) 128 steps (2) To provide a more uniform flux distribution during rod withdrawal and insertion A.
B.
C.
D.