ML22214A025
| ML22214A025 | |
| Person / Time | |
|---|---|
| Site: | North Anna  |
| Issue date: | 08/02/2022 |
| From: | NRC/RGN-II |
| To: | |
| References | |
| Download: ML22214A025 (82) | |
Text
Form 4.2-3 Reactor Operator Written Examination Cover Sheet U.S. Nuclear Regulatory Commission Reactor Operator Written Examination Applicant Information Name:
Date:
Facility/Unit Region:
I II III IV Reactor Vendor/Type:
Start Time:
Finish Time:
Instructions Use the answer sheets provided to document your answers. Staple this cover sheet on top of the answer sheets. To pass the examination, you must achieve a final grade of at least 80 percent. You have 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> to complete this portion of the examination.
Applicant Certification All work done on this examination is my own. I have neither given nor received aid.
Applicants Signature Results Examination Points
________ Points Applicants Points
________ Points Applicants Grade
________ Percent ML22214A025
2022 NAPS ILT NRC EXAM RO ANSWER SHEET NAME:_________________________________
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2022 NAPS ILT NRC EXAM RO ANSWER SHEET NAME:_________________________________
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Page 1 of 75 Given Conditions:
U1 tripped from 20% following a Refueling Outage
RCS Tave is below program
All S/G Narrow Range Levels are above program
The crew is currently at step 3 (Check Feedwater Status) of 1-ES-0.1 (Reactor Trip Response)
The BOP observes the indications below:
To control the excessive cooldown and S/G Level, the BOP will have to manually shut ___(1)___
by depressing the ___(2)___ pushbutton for each Valve's Controller.
A.
(1) both the MFW Regulating Valves and MFW Regulating Bypass Valves (2) down B.
(1) both the MFW Regulating Valves and MFW Regulating Bypass Valves (2) up C.
(1) the MFW Regulating Bypass Valves only (2) down D.
(1) the MFW Regulating Bypass Valves only (2) up Question:
(1 point) 1 North Anna Power Station 2022 NAPS ILT NRC RO EXAMINATION
Given Conditions:
U1 has experienced a Small Break LOCA
The crew is performing 1-FR-C.2 (Response to Degraded Core Cooling) and identifies the following parameters:
o RCS Pressure is 2100 psig o
All RCP's are stopped o
Normal SI Header Flow is 0 gpm o
Alternate SI Header Flow is 0 gpm Which one of the following actions is required as the mitigating strategy per 1-FR-C.2?
A.
Perform a max rate cooldown.
B.
Reduce RCS Pressure by opening one PORV.
C.
Start a RCP.
D.
Establish HHSI flow.
Question:
(1 point) 2 North Anna Power Station 2022 NAPS ILT NRC RO EXAMINATION Page 2 of 75
Given Conditions:
U1 experienced a Large Break LOCA
1-ES-1.3 (Transfer to Cold Leg Recirculation) is the procedure in effect
The BOP observes the following RWST Level Indications:
- 1-QS-LI-100A-16%
- 1-QS-LI-100B-17%
- 1-QS-LI-100C-17%
- 1-QS-LI-100D-17%
Based on the above, which of the choices below completes the following statements?
An automatic swap over to the Containment Sump ___(1)___ be occurring.
In accordance with 1-ES-1.3, a manual swap over is required at ___(2)___ RWST Level.
A.
(1) should not (2) less than 15%
B.
(1) should not (2) 16%
C.
(1) should (2) less than 15%
D.
(1) should (2) 16%
Question:
(1 point) 3 North Anna Power Station 2022 NAPS ILT NRC RO EXAMINATION Page 3 of 75
Which of the choices below completes the following statements?
The RCP Flywheels cause the RCPs to coast down ___(1)___ to ensure Actual Heat Flux is maintained less than Critical Heat Flux during a Loss of Offsite Power event.
Without the RCP Flywheels, the RCS would likely exceed ___(2)___.
A.
(1) slower (2) DNBR B.
(1) slower (2) QPTR C.
(1) faster (2) DNBR D.
(1) faster (2) QPTR Question:
(1 point) 4 North Anna Power Station 2022 NAPS ILT NRC RO EXAMINATION Page 4 of 75
Given Conditions:
U1 is at 100% power
The RO observes the indications below:
Based on the indications above, which of the choices below completes the following statements?
___(1)___ is failing high.
In accordance with 1-AR-C-C5, the RO should ___(2)___ to control Pressurizer Level.
A.
(1) 1-CH-FCV-1122 Controller (2) isolate Letdown, then isolate Charging by closing 1-CH-MOV-1289A B.
(1) 1-CH-FCV-1122 Controller (2) place 1-CH-FCV-1122 Controller in MAN and lower demand C.
(1) 1-CH-FT-1122 (2) isolate Letdown, then isolate Charging by closing 1-CH-MOV-1289A D.
(1) 1-CH-FT-1122 (2) place 1-CH-FCV-1122 Controller in MAN and lower demand 1C-C5 Question:
(1 point) 5 North Anna Power Station 2022 NAPS ILT NRC RO EXAMINATION Page 5 of 75
Initial Conditions:
U1 is in a Refueling Outage
Fuel movement is in progress Current Conditions:
The crew has entered 1-AP-11 (Loss of RHR) due to no running RHR Pumps
The crew is currently performing Attachment 11 (Containment Closure) o While placing the Containment Purge Exhaust Fans through the Iodine Filters, ONLY one of the two switches for 1-HV-AOD-104-1,2,3,4 dampers could be placed to the FILTER position o
The designated OPs Personnel Hatch Operator can ONLY close the Inner Personnel Hatch door o
All other actions of 1-AP-11 Attachment 11 are complete Which of the choices below completes the following statements regarding Attachment 11 of 1-AP-11?
The Containment Purge Exhaust Fans ___(1)___ re-align to the Iodine Filters.
Based on the Personnel Hatch status, Containment Closure ___(2)___ met.
A.
(1) will (2) is not B.
(1) will not (2) is not C.
(1) will (2) is D.
(1) will not (2) is Question:
(1 point) 6 North Anna Power Station 2022 NAPS ILT NRC RO EXAMINATION Page 6 of 75
Initial Conditions:
A Loss of Component Cooling occurred
Per 0-AP-27 (Malfunction of the Spent Fuel Pit System), Service Water was aligned to the Spent Fuel Pit Coolers Current Conditions:
Component Cooling has been returned to service
Component Cooling Water through the SFP Heat Exchanger has been restored using (CC Restoration to SFP Cooling Heat Exchangers) of 0-AP-27 Based on the above and in accordance with Attachment 2, which of the choices below completes the following statement?
Fuel Pit Temperature will be controlled by throttling the Component Cooling ___(1)___ Valves to the SFP Heat Exchangers.
Throttling will occur locally in the ___(2)___.
A.
(1) Inlet (2) Demin Alley B.
(1) Inlet (2) Fuel Building Basement C.
(1) Outlet (2) Demin Alley D.
(1) Outlet (2) Fuel Building Basement Question:
(1 point) 7 North Anna Power Station 2022 NAPS ILT NRC RO EXAMINATION Page 7 of 75
Initial Conditions:
U1 is in Mode 1
1-RC-PCV-1456 (Pressurizer PORV) fails open
RCS Pressure is 2200 psig and lowering Current Conditions:
The crew has entered 1-AP-44 (Loss of Reactor Coolant System Pressure)
The crew has placed the control switch for 1-RC-PCV-1456 to CLOSE o
1-RC-PCV-1456 remains OPEN Based on the above and in accordance with 1-AP-44, which of the choices below completes the following statements?
The next required action is to ___(1)___ for 1-RC-PCV-1456.
If unable to perform this action, the Unit ___(2)___ remain in Mode 1.
A.
(1) close the Block Valve (2) can B.
(1) close the Block Valve (2) cannot C.
(1) place the Nitrogen and PRZR PWR RV Appendix R Isolation Switches to DISABLE (2) can D.
(1) place the Nitrogen and PRZR PWR RV Appendix R Isolation Switches to DISABLE (2) cannot Question:
(1 point) 8 North Anna Power Station 2022 NAPS ILT NRC RO EXAMINATION Page 8 of 75
Initial Conditions:
U2 entered 2-FR-S.1 (Response to Nuclear Power Generation/ATWS) from 2-E-0 (Reactor Trip or Safety Injection)
Controls Rods are inserting in Auto at max speed
Neutron flux is lowering Current Conditions
The crew is currently at step 5 (Initiate Emergency Boration of RCS)
2-CH-MOV-2350 (U2 Emergency Borate Valve) failed to open In accordance with 2-FR-S.1, the negative reactivity insertion is ___(1)___ and the crew will ___(2)___.
A.
(1) adequate (2) transition back to 2-E-0 B.
(1) adequate (2) continue in 2-FR-S.1 C.
(1) inadequate (2) manually initiate Safety Injection D.
(1) inadequate (2) align the BIT for injection Question:
(1 point) 9 North Anna Power Station 2022 NAPS ILT NRC RO EXAMINATION Page 9 of 75
Given Conditions:
U1 is at 100% power
The crew has entered 1-AP-2.2 (Fast Load Reduction) and will be ramping the unit offline Based on the above, which of the choices below completes the following statement?
In accordance with 1-AR-K-G6 (N-16 RAD DET), the N-16 Detectors are declared non-functional at ______% Reactor Power.
A.
35 B.
30 C.
25 D.
20 Question:
(1 point) 10 North Anna Power Station 2022 NAPS ILT NRC RO EXAMINATION Page 10 of 75
Given Conditions:
The crew just entered 1-ECA-2.1 (Uncontrolled Depressurization of All Steam Generators)
Containment Pressure is 50 psia and raising rapidly
All S/G Pressures are 200 psig and lowering rapidly
All S/G Narrow Range Levels are off scale low Which of the choices below completes the following statements?
In accordance with 1-ECA-2.1, the BOP will throttle Auxiliary Feedwater Flow to ___(1)___ in order to ___(2)___.
A.
(1) 100 gpm per S/G (2) maintain the minimum heat sink requirements B.
(1) 100 gpm per S/G (2) prevent a S/G from drying out C.
(1) greater than or equal to 340 gpm total (2) maintain the minimum heat sink requirements D.
(1) greater than or equal to 340 gpm total (2) prevent a S/G from drying out Question:
(1 point) 11 North Anna Power Station 2022 NAPS ILT NRC RO EXAMINATION Page 11 of 75
Given Conditions:
Crew initiated RCS Bleed and Feed in 1-FR-H.1 (Response to Loss of Secondary Heat Sink)
All S/G WR Levels are <12%
Hot Leg Temperatures are approximately 560°F and stable
The Operators restore a Feedwater source
SRO directs the BOP to feed only one S/G rather than all three S/Gs The reason for feeding only one S/G under these conditions is to A.
prevent a Pressurized Thermal Shock condition B.
demonstrate the reliability of the Feedwater source C.
limit a potential fault or rupture to one S/G D.
determine if one S/G is capable of maintaining a heat sink Question:
(1 point) 12 North Anna Power Station 2022 NAPS ILT NRC RO EXAMINATION Page 12 of 75
Initial Conditions:
U1 is at 75% power following a controlled ramp
Rods are in Manual
Tave is 568°F and stable
Tref is 571°F and stable Current Conditions:
AC Vital Bus 1-II de-energizes
The crew has completed 1-AP-3 (Loss of Vital Instrumentation)
1-AP-4.3 (Loss of Power Range NIs) is the procedure in effect o
SRO desires Tave/Tref to be matched with Rods Based on the above, which of the choices below completes the following statement?
In accordance with 1-AP-4.3, Rods currently can't be withdrawn until the ___(1)___ Protection Interlock is cleared for ___(2)___ Power Range NI.
A.
(1) C-2 (2) N-44 B.
(1) C-2 (2) N-42 C.
(1) C-4 (2) N-44 D.
(1) C-4 (2) N-42 Question:
(1 point) 13 North Anna Power Station 2022 NAPS ILT NRC RO EXAMINATION Page 13 of 75
Initial Conditions:
U1 is at 100% power Current Conditions:
The BOP observes the indications below:
Which of the choices below completes the following statements?
The Unit has experienced a loss of 125VDC Vital Bus (1)
Due to the loss of power, the Main Steam Trip Valves are (2)
A.
- 1) 1-I
- 2) open B.
- 1) 1-I
- 2) closed C.
- 1) 1-III
- 2) open D.
- 1) 1-III
- 2) closed Question:
(1 point) 14 North Anna Power Station 2022 NAPS ILT NRC RO EXAMINATION Page 14 of 75
Initial Conditions:
Both Units are at 100% power
Both U1 Service Water Pumps are running
An Earthquake occurred Current Conditions:
The following MCR indications are observed:
o All MCR Aux. Building Sump Indicators are off-scale high o
Both U1 SW Pump Amps are off-scale high o
Both U1 SW Pump Discharge Pressures are off-scale low
The crew entered 0-AP-12 (Loss of Service Water)
In accordance with 0-AP-12, the crew will trip ___(1)___ and align ___(2)___ to the U1 Main Control Room Chillers.
A.
(1) U1 only (2) Bearing Cooling B.
(1) U1 only (2) Fire Protection C.
(1) both Units (2) Bearing Cooling D.
(1) both Units (2) Fire Protection Question:
(1 point) 15 North Anna Power Station 2022 NAPS ILT NRC RO EXAMINATION Page 15 of 75
Given Conditions:
Chemistry is sampling 1-SI-TK-1A ("A" Safety Injection Accumulator)
CH-11.401 (Remote Sampling of 1-SI-TK-1A From Safeguards) is the procedure in effect
The following valves have been OPENED from the MCR o
1-SI-TV-1842 (SI Accumulator Test Line Inside Isolation Valve) o 1-SI-TV-1859 (SI Accumulator Test Line Outside Isolation Valve) o 1-SI-HCV-1850A ("A" SI Accumulator Sample Isolation Valve)
The Chemistry Technician is purging the Sample Line Which of the following choices below completes the following statements?
On a loss of Instrument Air, 1-SI-TK-1A Level will ___(1)___.
T.S. 3.5.1 (Accumulators) requires 1-SI-TK-1A Boron Concentration to be ___(2)___ ppm.
A.
(1) continue to lower (2) 2600 to 2800 B.
(1) stabilize (2) 2600 to 2800 C.
(1) continue to lower (2) 2500 to 2800 D.
(1) stabilize (2) 2500 to 2800 Question:
(1 point) 16 North Anna Power Station 2022 NAPS ILT NRC RO EXAMINATION Page 16 of 75
1-ECA-1.2 (LOCA Outside Containment) directs actions to verify valve positions for only ONE system. This system is the most likely location for a LOCA Outside Containment.
Which system is addressed by 1-ECA-1.2?
A.
CVCS Charging.
B.
CVCS Letdown.
C.
Low Head Safety Injection.
D.
High Head Safety Injection.
Question:
(1 point) 17 North Anna Power Station 2022 NAPS ILT NRC RO EXAMINATION Page 17 of 75
Why is monitoring for Bleed and Feed criteria a continuous action step in 1-FR-H.1 (Response to Loss of Secondary Heat Sink)?
A.
To maintain S/G Integrity.
B.
To ensure adequate ECCS flow to remove decay heat.
C.
To extend the time allowed to restore Feedwater.
D.
To minimize the heat input into Containment while on Bleed and Feed.
Question:
(1 point) 18 North Anna Power Station 2022 NAPS ILT NRC RO EXAMINATION Page 18 of 75
Initial Conditions:
U1 is at 95% power
All Rods Out position is 228 steps
"D" Bank Control Rods are at 217 steps
Control Rods are in AUTO Current Conditions:
1-RC-TI-1408A (Median Hi Tave) fails low to 530°F
1-AR-B-A7 (MEDIAN/HI TAVG < > TREF DEVIATION) is lit
The crew has entered 1-AP-1.1 (Continuous Uncontrolled Rod Motion) o Rods have been placed in MANUAL o
"D" Bank Control Rods are at 225 steps and still stepping out Based on the above, which of the choices below completes the following statements?
In accordance with 1-AP-1.1, the crew is required to ___(1)___
The Reactor is tripped due to a ___(2)___.
A.
(1) trip the Reactor and enter 1-E-0 immediately.
(2) loss of reactivity control B.
(1) trip the Reactor and enter 1-E-0 immediately.
(2) RCS Loop Average Temperature < 541°F C.
(1) verify Rods stop at C-11 ("D" Bank at All Rods Out). If not, trip the Reactor and enter 1-E-0.
(2) loss of reactivity control D.
(1) verify Rods stop at C-11 ("D" Bank at All Rods Out). If not, trip the Reactor and enter 1-E-0.
(2) RCS Loop Average Temperature < 541°F Question:
(1 point) 19 North Anna Power Station 2022 NAPS ILT NRC RO EXAMINATION Page 19 of 75
Given Conditions:
U1 is in Mode 2
A Reactor startup is in progress following a Refueling Outage As power is increased, maintaining the limits of T.S. 3.2.4 (Quadrant Power Tilt Ratio) applies in Mode 1 when rated thermal power is ___(1)___ than 50% and ensures that the gross ___(2)___
power distribution remains within design values used in the safety analysis.
A.
(1) less (2) axial B.
(1) less (2) radial C.
(1) greater (2) axial D.
(1) greater (2) radial Question:
(1 point) 20 North Anna Power Station 2022 NAPS ILT NRC RO EXAMINATION Page 20 of 75
Initial Conditions:
U1 is at 100% power
Normal Letdown has been removed from service to perform work on 1-CH-TV-1204B (Letdown Isolation Valve)
Excess Letdown is in service Current Conditions:
1-CC-RM-120 (CCHX Radiation Monitor) Hi and Hi-Hi alarms are lit
CC Head Tank Level is trending up Which of the choices below completes the following statements?
The leak is occurring in the ___(1)___ Heat Exchanger.
In accordance 1-AP-49.1 (Loss of Normal and Excess Letdown), the sum of Charging and RCP Seal Injection Flow must be maintained ___(2)___ than Emergency Boration Flow.
A.
(1) Excess Letdown (2) greater B.
(1) Excess Letdown (2) less C.
(1) Seal Water (2) greater D.
(1) Seal Water (2) less Question:
(1 point) 21 North Anna Power Station 2022 NAPS ILT NRC RO EXAMINATION Page 21 of 75
Initial Conditions:
U1 is at 100% power
Pressurizer Level Channel Defeat Switch is selected to 459/460
1-RC-LT-1461 (Channel III Pressurizer Level Transmitter) failed low and all associated bistables have been placed in trip by I&C Current Conditions
The Reference Leg for 1-RC-LT-1460 (Channel II Pressurizer Level Transmitter) ruptures Which one of the following describes the plant response? (Assume no Operator actions)
A.
Letdown isolates.
B.
Charging Flow reduces to minimum.
C.
Reactor Trip signal is initiated.
D.
Backup Heaters energize.
Question:
(1 point) 22 North Anna Power Station 2022 NAPS ILT NRC RO EXAMINATION Page 22 of 75
Initial Conditions:
U1 is in a Refueling Outage
Fuel Movement is in progress
All 125VAC Vital Busses are energized
Both Source Range Instruments are Operable Current Conditions:
125VAC Vital Bus 1-I is de-energized Based on the above, which of the choices below completes the following statements?
Per T.S. 3.9.3 (Nuclear Instrumentation), fuel movement ___(1)___ continue.
Per 1-AP-4.1 (Malfunction of Nuclear Instrumentation-Source Range), Channel Selector Switch on the Audible Count Rate Drawer must be selected to the Operable Source Range Channel ___(2)___ to ensure Source Range Counts are heard in Containment.
A.
(1) can (2) N-31 B.
(1) can (2) N-32 C.
(1) cannot (2) N-31 D.
(1) cannot (2) N-32 Question:
(1 point) 23 North Anna Power Station 2022 NAPS ILT NRC RO EXAMINATION Page 23 of 75
Initial Conditions:
U1 is at 100% power
A S/G Tube Leak has developed on the "B" S/G
1-SV-RM-121 (Condenser Air Ejector Radiation Monitor) High alarm is lit
The crew has entered 1-AP-24 (Steam Generator Tube Leak)
Current Conditions
While performing 1-AP-24, the Tube Leak worsens as noted by the "B" S/G Main Feedwater Flow parameters Which of the choices below completes the following statements?
The BOP will observe a ___(1)___ trend of the "B" S/G Main Feedwater Flow.
The crew will ___(2)___.
A.
(1) lowering (2) remain in 1-AP-24 only B.
(1) lowering (2) perform 1-AP-24 and 1-E-0 (Reactor Trip or Safety Injection) concurrently C.
(1) rising (2) remain in 1-AP-24 only D.
(1) rising (2) perform 1-AP-24 and 1-E-0 (Reactor Trip or Safety Injection) concurrently Question:
(1 point) 24 North Anna Power Station 2022 NAPS ILT NRC RO EXAMINATION Page 24 of 75
Which of the choices below completes the following statements?
1-FR-C.1 (Response to Inadequate Core Cooling) is required to be entered when CETCs FIRST exceed ___(1)___.
Normal support conditions ___(2)___ required to start the RCPs in step 21 (Check if RCPs Should Be Started) of 1-FR-C.1.
A.
(1) 700°F with 50% RVLIS Full Range (2) are B.
(1) 1200°F (2) are C.
(1) 700°F with 50% RVLIS Full Range (2) are not D.
(1) 1200°F (2) are not Question:
(1 point) 25 North Anna Power Station 2022 NAPS ILT NRC RO EXAMINATION Page 25 of 75
In a comparison between a delayed neutron and prompt neutron produced from the same fission event, the prompt neutron is more likely to
. (Assume that both neutrons remain in the North Anna Core)
A.
cause fast fission of a U-238 Nucleus B.
be captured by a U-238 Nucleus at a resonance energy between 1 eV and 1000 eV C.
be captured by a Xe-135 Nucleus D.
cause thermal fission of a U-235 Nucleus Question:
(1 point) 26 North Anna Power Station 2022 NAPS ILT NRC RO EXAMINATION Page 26 of 75
What is the mitigation strategy for reducing radiation levels in Containment in accordance with 1-FR-Z.3 (Response to High Containment Radiation)?
A.
Initiate the Quench Spray System.
B.
Initiate the Recirculation Spray System.
C.
Place the Containment Iodine Filtration Fans in service.
D.
Place the Containment Purge Exhaust Fans through the Charcoal Filters.
Question:
(1 point) 27 North Anna Power Station 2022 NAPS ILT NRC RO EXAMINATION Page 27 of 75
Based on the above indications, Control Power to the "A" RCP Bearing Lift Pump ___(1)___
available and Bearing Oil Lift Pressure ___(2)___ adequate.
A.
- 1) is
- 2) is B.
- 1) is
- 2) is not C.
- 1) is not
- 2) is D.
- 1) is not
- 2) is not Question:
(1 point) 28 North Anna Power Station 2022 NAPS ILT NRC RO EXAMINATION Page 28 of 75
With LTOPS in service, LCO 3.4.12 (Low Temperature Overpressure Protection System) states that two Charging Pumps can be made capable of injecting for less than or equal to ___(1)___ minutes for
___(2)___.
A.
(1) 60 (2) pump swapping B.
(1) 60 (2) surveillance testing C.
(1) 15 (2) pump swapping D.
(1) 15 (2) surveillance testing Question:
(1 point) 29 North Anna Power Station 2022 NAPS ILT NRC RO EXAMINATION Page 29 of 75
If 1-RH-MOV-1720A (Residual Heat Removal Outlet Isolation Valve to B Cold Leg) is energized and opened at power, level will INITIALLY rise in the ___(1)___.
A.
"B" Safety Injection Accumulator B.
Pressurizer Relief Tank C.
Primary Drains Transfer Tank D.
Containment Sump Question:
(1 point) 30 North Anna Power Station 2022 NAPS ILT NRC RO EXAMINATION Page 30 of 75
Initial Conditions:
U1 is at 100% power Current Conditions:
U1 has been tripped due to a Small Break LOCA inside Containment
1H Bus is de-energized
The crew is performing 1-ES-1.2 (Post-LOCA Cooldown and Depressurization)
Safety Injection Accumulator Isolation is required Which of the choices below completes the following statements?
At 100% power, 1-SI-MOV-1865A/B/C (Safety Injection Accumulators Isolation MOVs) are (1)
In accordance with 1-ES-1.2, the crew can isolate (2)
A.
(1) energized (2) 1-SI-MOV-1865B and 1-SI-MOV-1865C B.
(1) energized (2) 1-SI-MOV-1865C only C.
(1) de-energized (2) 1-SI-MOV-1865B and 1-SI-MOV-1865C D.
(1) de-energized (2) 1-SI-MOV-1865C only Question:
(1 point) 31 North Anna Power Station 2022 NAPS ILT NRC RO EXAMINATION Page 31 of 75
Given Conditions:
U1 is at 100% power
A Large Break LOCA coincident with a Loss of Offsite Power occurred
Two SI Accumulators failed to inject into the Core Based on the above, the effect of the two SI Accumulators failing to inject is ______.
A.
less Nitrogen is injected to block Natural Circulation B.
Containment Sump Inventory will be insufficient for long-term Core Cooling C.
Containment Recirculation Sump pH will be lower than required D.
insufficient water will be available during the Blowdown and Refill Phases of the LOCA Question:
(1 point) 32 North Anna Power Station 2022 NAPS ILT NRC RO EXAMINATION Page 32 of 75
Given Conditions
U1 is tripped
Safety Injection is in progress
Annunciator Status o
B-G1 (PRZ RELIEF TANK HI-LO LEVEL) is locked in o
B-H1 (PRZ RELIEF TANK HI TEMP) is locked in o
B-F1 (PRZ RELIEF TK HI PRESS) just cleared
Containment Sump Level is rising
Containment Pressure is rising
Containment Radiation is rising Assuming no Operator action, the failure of which of the following would result in these conditions?
A.
Rx Head Vent Valves Open.
B.
1-RC-PCV-1456 (Pressurizer PORV) Open.
C.
Inner Rx Vessel Flange O-Ring.
D.
CRDM Pressure Boundary Housing.
Question:
(1 point) 33 North Anna Power Station 2022 NAPS ILT NRC RO EXAMINATION Page 33 of 75
Initial Conditions:
U1 is at 100% power
1-CC-P-1A (U1 "A" Component Cooling Water Pump) is running
2-CC-P-1A (U2 "A" Component Cooling Water Pump) is running Current Conditions:
1-EE-BKR-15J11 (4160V 1J Bus Normal Feeder Breaker) spuriously trips open
1J EDG starts and loads onto the 1J 4160V Emergency Bus Based on the conditions above, 1-CC-P-1B (U1 "B" Component Cooling Water Pump) will start automatically ______.
A.
with no time delay after the 1J EDG loads onto the Bus B.
15 seconds after the 1J EDG loads onto the Bus C.
with no time delay after the Stub Bus Breaker is reset manually D.
15 seconds after the Stub Bus Breaker is reset manually Question:
(1 point) 34 North Anna Power Station 2022 NAPS ILT NRC RO EXAMINATION Page 34 of 75
Initial Conditions:
U1 is in Mode 5
RCS is solid
Lowest RCS Tc <180°F
RHR is returning to the "C" RCS Loop
1-RH-FCV-1605 (RHR Heat Exchanger Bypass Flow) is in Automatic Current Conditions:
1-RH-FT-1605 (RHR Heat Exchangers Outlet Header Flow Transmitter) fails low Based on the conditions above, Pressurizer Pressure will ______.
A.
lower until 1-RH-FCV-1605 is throttled open B.
rise and stabilize at approximately 530 psig C.
lower until charging flow is manually raised D.
rise and stabilize at approximately 365 psig Question:
(1 point) 35 North Anna Power Station 2022 NAPS ILT NRC RO EXAMINATION Page 35 of 75
Given Conditions:
U2 experienced a Safety Injection coincident with a Loss of Offsite Power from 100%
2-ECA-2.1 (Uncontrolled Depressurization of All Steam Generators) has been entered The crew is required to go to 2-FR-P.1 (Response to Imminent Pressurized Thermal Shock) if any Cold Leg Temperature drops below ___(1)___°F and will depressurize the RCS using ___(2)___.
A.
(1) 285 (2) a Pressurizer PORV B.
(1) 285 (2) Auxiliary Spray C.
(1) 315 (2) a Pressurizer PORV D.
(1) 315 (2) Auxiliary Spray Question:
(1 point) 36 North Anna Power Station 2022 NAPS ILT NRC RO EXAMINATION Page 36 of 75
Initial Conditions:
U1 is stable at 70% power
ICP-RC-1-T-1412 (Delta T/Tave Protection Channel I (1-RC-T-1412) Calibration) is in progress o
The Delta T and Tave Defeat Switches have been placed in Defeat Loop "A" o
All associated bistables have been placed in TEST Current Conditions:
1-RC-TE-1422E (Loop "B" Tcold Temperature Element) is failing low Which of the choices below completes the following statements?
The RO will observe a ___(1)___ trend on Loop "B" T.
The Unit ___(2)___ automatically trip.
A.
(1) rising (2) will B.
(1) lowering (2) will C.
(1) rising (2) will not D.
(1) lowering (2) will not Question:
(1 point) 37 North Anna Power Station 2022 NAPS ILT NRC RO EXAMINATION Page 37 of 75
Initial Conditions:
1-E-0 (Rx Trip or Safety Injection) was entered o
The Reactor did not trip Current Conditions:
The crew is currently performing 1-FR-S.1 (Response to Nuclear Power Generation/ATWS)
An Operator has NOT been dispatched to trip the Unit locally
While inserting Control Rods in MANUAL, the RO observes the following:
o 1-AR-E-D4 (AMSAC INITIATED) locked in o
All Rod Bottom Lights just illuminated Based on the conditions above, what is the status of the breakers listed below?
(1) MG Set Input Breakers (2) Reactor Trip Breakers A.
(1) open (2) closed B.
(1) open (2) open C.
(1) closed (2) closed D.
(1) closed (2) open Question:
(1 point) 38 North Anna Power Station 2022 NAPS ILT NRC RO EXAMINATION Page 38 of 75
Given Conditions:
A Large Break LOCA is in progress on U1
RWST Level is lowering 2%/min Which of the choices below completes the following statements?
1-QS-LI-100A, 1-QS-LI-100C, and ___(1)___ input into the auto start logic for the Recirculation Spray Pumps.
Recirculation Spray Flow will be at MAX rate in ___(2)___ minutes.
A.
(1) 1-QS-LI-100B (2) 21 B.
(1) 1-QS-LI-100B (2) 19 C.
(1) 1-QS LI-100D (2) 21 D.
(1) 1-QS-LI-100D (2) 19 Question:
(1 point) 39 North Anna Power Station 2022 NAPS ILT NRC RO EXAMINATION Page 39 of 75
Initial Conditions:
U1 is at 100% power
U1 Steam Chiller is currently in an Idled condition
Shift Order priorities for U1 are to remove the Mechanical Chiller from service and place the U1 Steam Chiller in service Current Conditions
1-CC-TV-115C (Chilled Water Return From Recirculation Air Coolers) spuriously shut and the Mechanical Chiller tripped
1-CC-TV-115C cannot be re-opened
The crew has entered 1-AP-35 (Loss of Containment Air Recirculation Cooling)
Containment Average Temperature is rising Which of the choices below completes the following statements?
LCO 3.6.5 (Containment Air Temperature) will NOT be met when Containment Average Temperature FIRST exceeds ___(1)___°F.
In accordance with 1-AP-35, the crew will ___(2)___.
A.
(1) 105 (2) swap to the U1 Steam Chiller B.
(1) 105 (2) swap to Service Water C.
(1) 115 (2) swap to the U1 Steam Chiller D.
(1) 115 (2) swap to Service Water Question:
(1 point) 40 North Anna Power Station 2022 NAPS ILT NRC RO EXAMINATION Page 40 of 75
Given Conditions:
U1 CDA is in progress Quench Spray Water Alkalinity is ensured by ______.
A.
1-QS-P-3 (Refueling Water Chemical Addition Pump)
B.
the Casing Cooling Pumps C.
the RWST Suction Weir D.
the QS Spray Ring Nozzle size Question:
(1 point) 41 North Anna Power Station 2022 NAPS ILT NRC RO EXAMINATION Page 41 of 75
Adequate Net Positive Suction Head and long term Recirculation Spray System operation is ensured when level is at a MINIMUM Sump Level of ___(1)___ on the ___(2)___ Range Sump Level Indicators.
A.
(1) 4'10" (2) Narrow B.
(1) 4'10" (2) Wide C.
(1) 11'0" (2) Narrow D.
(1) 11'0" (2) Wide Question:
(1 point) 42 North Anna Power Station 2022 NAPS ILT NRC RO EXAMINATION Page 42 of 75
Given Conditions:
The crew has entered 0-FCA-1 (MCR Fire)
MCR has been evacuated 2 (U1 Dedicated Flow Path Alignment) is being performed In accordance with Attachment 22, the U1 S/G PORVs will be closed by ___(1)___ to EMERG CLOSE in the Unit 1 ___(2)___.
A.
(1) placing the switch handles (2) Emergency Switchgear B.
(1) installing the keys and turning the key switches (2) Emergency Switchgear C.
(1) placing the switch handles (2) Cable Vault and Tunnel D.
(1) installing the keys and turning the key switches (2) Cable Vault and Tunnel Question:
(1 point) 43 North Anna Power Station 2022 NAPS ILT NRC RO EXAMINATION Page 43 of 75
Initial Condition:
U1 is at 70% power
All plant equipment is available
1-SD-P-1A (U1 "A" High Pressure Heater Drain Pump) tripped Which of the choices below completes the following statements?
1-SD-P-1A discharges into the suction of the Main ___(1)___ Pumps.
1-SD-P-1A tripping ___(2)___ an entry condition for 1-AP-31 (Loss of Main Feedwater).
A.
(1) Feedwater (2) is B.
(1) Feedwater (2) is not C.
(1) Condensate (2) is D.
(1) Condensate (2) is not Question:
(1 point) 44 North Anna Power Station 2022 NAPS ILT NRC RO EXAMINATION Page 44 of 75
Which of the choices below completes the following statement?
The MCC power supply for 1-FW-MOV-100A (Auxiliary Feedwater MOV Header to "A" S/G) is ______.
A.
1-EP-MCC-1J1-2N B.
1-EP-MCC-1A2-2 C.
1-EP-MCC-1A1-2 D.
1-EP-MCC-1B1-3 Question:
(1 point) 45 North Anna Power Station 2022 NAPS ILT NRC RO EXAMINATION Page 45 of 75
Initial Conditions:
U2 is at 100% power Current Conditions
Safety Injection occurs on U2
Safeguards Operator reports that there is an unisolable COOLING Water Pipe break upstream of the Lube Oil Cooler for 2-FW-P-2 (Turbine Driven Auxiliary Feedwater Pump)
Which of the choices below completes the following statements?
With no Operator action, the Emergency Condensate Storage Tank Level will lower based off of
___(1)___.
In order to secure 2-FW-P-2, the RO will ___(2)___.
A.
(1) Auxiliary Feedwater Flow to the S/Gs only (2) close 2-MS-TV-111A and 2-MS-TV-111B (2-FW-P-2 Steam Supply Valves) only B.
(1) Auxiliary Feedwater Flow to the S/Gs AND the pipe break flow (2) close 2-MS-TV-111A and 2-MS-TV-111B (2-FW-P-2 Steam Supply Valves) only C.
(1) Auxiliary Feedwater Flow to the S/Gs only (2) reset SI, then close 2-MS-TV-111A and 2-MS-TV-111B (2-FW-P-2 Steam Supply Valves)
D.
(1) Auxiliary Feedwater Flow to the S/Gs AND the pipe break flow (2) reset SI, then close 2-MS-TV-111A and 2-MS-TV-111B (2-FW-P-2 Steam Supply Valves)
Question:
(1 point) 46 North Anna Power Station 2022 NAPS ILT NRC RO EXAMINATION Page 46 of 75
Initial Conditions:
U1 is at 25% power
The Unit is being shut down for a Refueling Outage
The Switchyard is in the normal electrical configuration
U1 RO completed transferring the U1 Station Service Busses to the Reserve Station Service Transformers IAW 1-OP-26.1 (Transferring 4160V Busses)
Current Conditions:
Switchyard Transformer #1 experiences an internal fault Which of the choices below completes the following statement?
The ___(1)___ Station Service Bus will de-energize and the Unit ___(2)___ trip on RCS Single Loop Loss of Flow.
A.
(1) "B" (2) will B.
(1) "B" (2) will not C.
(1) "C" (2) will D.
(1) "C" (2) will not Question:
(1 point) 47 North Anna Power Station 2022 NAPS ILT NRC RO EXAMINATION Page 47 of 75
Given Conditions:
U1 is at 100% power
1-FW-P-1A ("A" Main Feedwater Pump) and 1-FW-P-1C ("C" Main Feedwater Pump) are in service
The RO discovers the closed (running light) is not lit for 1-FW-P-1A1 (Main Feedwater Pump 1A1)
Turbine Building Operator reports the same indication locally at the breaker for 1-FW-P-1A1 in U1 307' Switchgear
Both sets of light bulbs are NOT burned out Based on the conditions above, ______.
A.
the breaker for 1-FW-P-1A1 CANNOT be remotely opened with the control switch B.
a Train "A" Safety Injection WILL cause the breaker for 1-FW-P-1A1 to trip open C.
a Breaker Overload condition WILL cause the breaker for 1-FW-P-1A1 to trip open D.
a Bus Undervoltage condition WILL cause the breaker for 1-FW-P-1A1 to trip open Question:
(1 point) 48 North Anna Power Station 2022 NAPS ILT NRC RO EXAMINATION Page 48 of 75
Initial Conditions:
U2 is at 100% power
All equipment is available
2-PT-82J (2J EDG Slow Start PT) is in progress o
EDG Load reading is 2550 KW o
EDG KVARs reading is 50KVARS out Current Conditions:
Spurious U2 Safety Injection occurs Which of the choices below completes the following statements?
During the transient, the 2J Bus Frequency will ___(1)___.
In order to open 2-EE-BKR-25J2 (2J EDG Output Breaker), the Backboards Operator will ___(2)___.
A.
(1) remain stable (2) reset Safety Injection, then lower load and open 2-EE-BKR-25J2 B.
(1) remain stable (2) lower load and open 2-EE-BKR-25J2 C.
(1) lower as equipment loads on the bus (2) reset Safety Injection, then lower load and open 2-EE-BKR-25J2 D.
(1) lower as equipment loads on the bus (2) lower load and open 2-EE-BKR-25J2 Question:
(1 point) 49 North Anna Power Station 2022 NAPS ILT NRC RO EXAMINATION Page 49 of 75
Given Conditions:
U1 is at 100% power
1-PT-82H (1H EDG Slow Start Test) is in progress o
EDG Voltage (incoming) is 124VAC o
Bus Voltage (running) is 122VAC
Backboards Operator is at the step to close 1-EE-BKR-15H2 (1H EDG Output Breaker)
Which of the choices below completes the following statements?
After the EDG Output Breaker is closed, the KVAR indication will be ___(1)___.
In order to return KVAR indication to 0 using the Exciter Voltage Control Switch, the Backboards Operator will place the switch to the ___(2)___ position.
A.
(1) KVARs out (2) LOWER B.
(1) KVARs out (2) RAISE C.
(1) KVARs in (2) LOWER D.
(1) KVARs in (2) RAISE Question:
(1 point) 50 North Anna Power Station 2022 NAPS ILT NRC RO EXAMINATION Page 50 of 75
Given Conditions:
Both Units are at 100% power
1-SV-RM-121 (Condenser Air Ejectors Discharge Radiation Monitor) reading is 40 cpm and stable
No alarms are lit on 1-SV-RM-121 If the Instrument Power Fuses for 1-SV-RM-121 blow, the meter indication will go off-scale ___(1)___
and the Air Ejector's Discharge ___(2)___ align to Containment.
A.
(1) low (2) will B.
(1) low (2) will not C.
(1) high (2) will D.
(1) high (2) will not Question:
(1 point) 51 North Anna Power Station 2022 NAPS ILT NRC RO EXAMINATION Page 51 of 75
Given Conditions:
U1 is at 100% power
U2 just entered Mode 4
CC System is split out Which of the choices below completes the following statements as U2 RHR is placed in service?
The temperature on the "A" (#4) Service Water Return Header will be ___(1)___.
The temperature on the "B" (#3) Service Water Return Header will be ___(2)___.
A.
(1) stable (2) stable B.
(1) stable (2) rising C.
(1) rising (2) stable D.
(1) rising (2) rising Question:
(1 point) 52 North Anna Power Station 2022 NAPS ILT NRC RO EXAMINATION Page 52 of 75
Given Conditions:
U1 "C" S/G Faulted inside Containment
Containment Pressure is 35 psia and lowering
The BOP observes the following indications Which of the choices below completes the following statements?
The ___(1)___ Signal must be RESET in order to reposition 1-SW-MOV-108A and 1-SW-MOV-108B.
Assuming the appropriate ESFAS Signal is RESET, the valves ___(2)___ fully OPEN if the OPEN pushbuttons are depressed and released.
A.
(1) Safety Injection (SI)
(2) will B.
(1) Containment Depressurization Actuation (CDA)
(2) will C.
(1) Safety Injection (SI)
(2) will not D.
(1) Containment Depressurization Actuation (CDA)
(2) will not Question:
(1 point) 53 North Anna Power Station 2022 NAPS ILT NRC RO EXAMINATION Page 53 of 75
Initial Conditions:
Both Units are at 100% power
1-IA-C-1 (U1 Instrument Air Compressor) and 1-SA-C-1 (U1 Service Air Compressor) are running in HAND
2-IA-D-1 (U2 Instrument Air Dryer) and 2-IA-D-7 (Instrument Air Dryer 7) are in service
Security reports loud air flow coming from the Muffler on 2-IA-D-1 Current Conditions
Instrument Air Pressure is 94 psig and lowering
2-IA-C-1 (U2 Instrument Air Compressor) and 2-SA-C-1 (U2 Service Air Compressor) are running in AUTO
Both Units entered the respective Unit's AP-28 (Loss of Instrument Air)
Which of the choices below completes the following statements?
In accordance with AP-28, ___(1)___ will be placed in HAND.
In accordance with Attachment 10 (Turbine/Auxiliary Building Corrective Actions), the Operator will
___(2)___ 2-IA-D-1.
A.
(1) all available Compressors.
(2) isolate B.
(1) all available Compressors.
(2) bypass and isolate C.
(1) both Unit's Containment Instrument Air Compressors only (2) isolate D.
(1) both Unit's Containment Instrument Air Compressors only (2) bypass and isolate Question:
(1 point) 54 North Anna Power Station 2022 NAPS ILT NRC RO EXAMINATION Page 54 of 75
Initial Conditions:
U1 is at 100% power
1-CH-P-1B (U1 "B" Charging Pump) is running
No equipment is out of service Current Conditions:
U1 just entered 1-E-0 (Reactor Trip or Safety Injection)
RO is performing the IOAs
BOP observes the following o
1P-H2 (Safety Injection Initiated) Annunciator is flashing o
1-CH-P-1B is the only Charging Pump running Based on the above, select the correct responses regarding the Phase A Containment Isolation Valves:
(1) Expected valve position for Train A Valves (2) Expected valve position for Train B Valves A.
(1) All closed (2) Some open, some closed B.
(1) Some open, some closed (2) All closed C.
(1) All closed (2) All closed D.
(1) Some open, some closed (2) Some open, some closed Question:
(1 point) 55 North Anna Power Station 2022 NAPS ILT NRC RO EXAMINATION Page 55 of 75
Given Conditions:
U1 is at 96% power
"D" Bank IRPI indications are 225 steps EXCEPT:
o B8 is 228 steps o
K10 is 214 steps
The Bank Overlap Counter reading in the Logic Cabinet is 599 steps Which of the choices below completes the following statements?
Based on the Bank Overlap Counter, the expected "D" Bank Group Step Counter reading is ___(1)___
steps.
The LCO for T.S. 3.1.4 (Rod Group Alignment Limits) is ___(2)___.
A.
(1) 215 (2) met B.
(1) 215 (2) not met C.
(1) 225 (2) met D.
(1) 225 (2) not met Question:
(1 point) 56 North Anna Power Station 2022 NAPS ILT NRC RO EXAMINATION Page 56 of 75
Given Conditions:
U1 is stable at 90% power
The Main Turbine is in OPEN LOOP
Rods are in Manual
The 1A Feedwater Heater is being removed from service Which of the choices below completes the following statements?
As the Feedwater Heater is being removed from service, Tave will ___(1)___.
PRNI indicated power will be ___(2)___ than actual power.
A.
(1) rise (2) greater B.
(1) rise (2) less C.
(1) lower (2) greater D.
(1) lower (2) less Question:
(1 point) 57 North Anna Power Station 2022 NAPS ILT NRC RO EXAMINATION Page 57 of 75
Given Conditions:
A small fire occurred in the MCR
The crew is performing actions of 1-AP-20 (Operation From the Auxiliary Shutdown Panel)
The RO and SRO have manned the Auxiliary Shutdown Panel (ASDP) and are transferring control of equipment Which of the following describes parameters that are DIRECTLY available to be read within the ASDP in order to perform 1-AP-20 actions?
1.
Wide Range Steam Generator Water Level 2.
Refueling Water Storage Tank Level 3.
Auxiliary Feedwater Pump Discharge Pressures 4.
Subcooling Margin A.
1 & 3 B.
2 & 4 C.
2 & 3 D.
1, 3, & 4 Question:
(1 point) 58 North Anna Power Station 2022 NAPS ILT NRC RO EXAMINATION Page 58 of 75
Which of the choices below completes the following statements?
During a Reactor startup using 1-OP-1.7 (Unit Startup From Mode 3 to Mode 2 Following Refueling),
critical data will be taken at ___(1)___ amps on the Intermediate Range Detectors.
When the RO uses Control Rods to stabilize power and obtain critical data, the RO will observe a prompt ___(2)___ in startup rate.
A.
(1) 5x10
-7 (2) drop B.
(1) 1x10
-8 (2) drop C.
(1) 5x10
-7 (2) jump D.
(1) 1x10
-8 (2) jump Question:
(1 point) 59 North Anna Power Station 2022 NAPS ILT NRC RO EXAMINATION Page 59 of 75
Given Conditions:
U1 is at 100% power
The Unit will be ramped offline for a Refueling Outage in accordance with 1-OP-3.7 (Unit Shutdown From Mode 1 to Mode 5 For Refueling)
Based on the above, which of the choices below completes the following statements?
A more linear response during the ramp is ensured by transferring Main Turbine Controls to
___(1)___ when less than 98% power.
During the ramp, the BOP will observe the ___(2)___ Valve Position lowering.
A.
(1) OPEN LOOP (2) Throttle B.
(1) OPEN LOOP (2) Governor C.
(1) IMP-IN (2) Throttle D.
(1) IMP-IN (2) Governor Question:
(1 point) 60 North Anna Power Station 2022 NAPS ILT NRC RO EXAMINATION Page 60 of 75
Initial Conditions:
U1 is at 100% power
1-CN-P-1A ("A" Main Condensate Pump) and 1-CN-P-1C ("C" Main Condensate Pump) are running
MCR Condenser Pressure indication is 2 in. HgA Current Conditions:
1-AR-Q-E1 (FEEDWATER HEATER 5A HI-LO LEVEL) is locked in
The Turbine 1 Operator reports the following:
o 1-FW-E-5A (5A Feedwater Heater) High Level Divert Valve is fully open o
1-FW-E-5A Feedwater Heater Level is rising Assuming no Operator action, which of the choices below completes the following statements?
As level continues to rise in 1-FW-E-5A, 1-CN-P-1A and 1-CN-P-1C will ___(1)___.
The Shell Side Pressure in 1-FW-E-1A (1A Feedwater Heater) will ___(2)___.
A.
(1) remain running (2) remain stable B.
(1) remain running (2) lower C.
(1) trip (2) remain stable D.
(1) trip (2) lower Question:
(1 point) 61 North Anna Power Station 2022 NAPS ILT NRC RO EXAMINATION Page 61 of 75
Given Conditions:
1-GW-O2R-102 (WGDT Outlet O2 Analyzer) is aligned to 1-GW-TK-1A ("A" Waste Gas Decay Tank)
1-AR-Y-E4 (Gaseous Waste Decay Tank Analyzer Trouble) is lit Which of the choices below completes the following statements?
1-AR-Y-E4 will illuminate when Oxygen Concentration is greater than or equal to ___(1)___%.
Oxygen Concentration is required to be reduced to ___(2)___.
A.
(1) 2 (2) prevent a potentially flammable/explosive gas mixture B.
(1) 2 (2) minimize oxidation (rusting) of the Carbon Steel Inner Tank C.
(1) 4 (2) prevent a potentially flammable/explosive gas mixture D.
(1) 4 (2) minimize oxidation (rusting) of the Carbon Steel Inner Tank Question:
(1 point) 62 North Anna Power Station 2022 NAPS ILT NRC RO EXAMINATION Page 62 of 75
The U1 Circulating Water Pumps are normally powered from the ___(1)___ through Feeder Breaker
___(2)___.
A.
(1) "B" RSST (2) 1-EP-BKR-15G1 B.
(1) "B" RSST (2) 1-EP-BKR-15G10 C.
(1) "C" RSST (2) 1-EP-BKR-15G1 D.
(1) "C" RSST (2) 1-EP-BKR-15G10 Question:
(1 point) 63 North Anna Power Station 2022 NAPS ILT NRC RO EXAMINATION Page 63 of 75
Initial Conditions:
Unit 1 is at 100% power
The 480V "J" busses are de-energized
CO2 spuriously actuated in the U2 Cable Spreading Room
U1 has entered 1-AP-20 (Operation From The Auxiliary Shutdown Panel) due to excessive CO2 Monitor readings in the MCR Current Conditions:
The U1 Auxiliary Shutdown Panel is manned Based on the conditions above, which one of the following evolutions can be performed using controls WITHIN the U1 Auxiliary Shutdown Panel?
A.
Increase Pressurizer Pressure using Group 4 Heaters.
B.
Throttle AFW Flow to the "B" S/G.
C.
Control RCS Temperature using Steam Dumps.
D.
Initiate an Emergency Boration using 1-CH-P-2B ("B" Boric Acid Storage Tank Pump).
Question:
(1 point) 64 North Anna Power Station 2022 NAPS ILT NRC RO EXAMINATION Page 64 of 75
Given Conditions:
U1 is shutdown for a Refueling Outage
Core offload is in progress
Fuel Building Radiation Automatic Interlock switch is in ENABLE
A Fuel Handling Accident occurs in the Fuel Building
High and Hi-Hi alarms are lit on 1-RM-RMS-153 (Fuel Pit Bridge Radiation Monitor)
Which of the choices below completes the following statements?
MCR Bottled Air will dump automatically ___(1)___.
In accordance with 0-AP-5.1 (Common Unit Radiation Monitoring System), the BOP will ___(2)___.
A.
(1) with no time delay (2) place Fuel Building Exhaust Fans through the Charcoal Filters B.
(1) with no time delay (2) secure the Fuel Building Exhaust Fans C.
(1) following a 2-minute time delay (2) place Fuel Building Exhaust Fans through the Charcoal Filters D.
(1) following a 2-minute time delay (2) secure the Fuel Building Exhaust Fans Question:
(1 point) 65 North Anna Power Station 2022 NAPS ILT NRC RO EXAMINATION Page 65 of 75
Which of the following completes both statements regarding plant announcements in accordance with OP-AP-100 (Conduct of Operations)?
When starting and stopping equipment from the Control Room, Operations Personnel are expected to make a plant announcement for loads with a MINIMUM Voltage of ___(1)___ Volts.
At a minimum, the plant announcement must include the planned activity and direction for plant personnel to stand clear of the ___(2)___.
A.
(1) 4160 (2) component being started/stopped ONLY B.
(1) 4160 (2) component being started/stopped, including its associated Electrical Switchgear C.
(1) 480 (2) component being started/stopped ONLY D.
(1) 480 (2) component being started/stopped, including its associated Electrical Switchgear Question:
(1 point) 66 North Anna Power Station 2022 NAPS ILT NRC RO EXAMINATION Page 66 of 75
Which of the choices below completes the following statements regarding board hours in accordance with OP-AA-103 (Operator Qualifications)?
An Operator must stand ___(1)___ 12 hour1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> watches per calendar quarter to maintain an active license.
The official record for maintaining an active license is recorded ___(2)___.
A.
(1) 5 (2) in Emp Center B.
(1) 5 (2) on the OP-AA-103 Proficiency Sheet C.
(1) 7 (2) in Emp Center D.
(1) 7 (2) on the OP-AA-103 Proficiency Sheet Question:
(1 point) 67 North Anna Power Station 2022 NAPS ILT NRC RO EXAMINATION Page 67 of 75
Which of the choices below completes the following statements in accordance with Attachment 17 (Feedback Incorporation Process-FIP) of AD-AA-100 (Technical Procedure Process Control)?
A FIP ___(1)___ require an independent review prior to the cognizant management review and approval.
A FIP ___(2)___ be used to perform work in the field.
A.
(1) does not (2) cannot B.
(1) does not (2) can C.
(1) does (2) cannot D.
(1) does (2) can Question:
(1 point) 68 North Anna Power Station 2022 NAPS ILT NRC RO EXAMINATION Page 68 of 75
Given Conditions:
A tagout for 1-CH-FL-4A (U1 "A" Seal Injection Filter) is in progress
Operator performing the tagout reports the following:
o The Inlet Valve Reach Rod Shear Pin broke o
The Reach Rod will no longer operate the valve o
The valve has been manually closed from inside the Seal Injection Cubicle Which of the choices below completes the following statements regarding tagging the Inlet Valve in accordance with OP-AA-200 (Equipment Clearance)?
Inside the Seal Injection Cubicle, the Operator will hang a ___(1)___ tag.
In the Charging Pump Alleyway, the Operator will hang a ___(2)___ tag.
A.
(1) Danger (2) Caution B.
(1) Danger (2) Danger C.
(1) Caution (2) Danger D.
(1) Caution (2) Caution Question:
(1 point) 69 North Anna Power Station 2022 NAPS ILT NRC RO EXAMINATION Page 69 of 75
If an alarm is received when attempting to leave the Protected Area through the Main Gate, the posted Station Standard requires an individual to step back from the Monitor and ______
A.
immediately notify HP of the alarm.
B.
attempt a second exit through the Personnel Monitor. If it alarms, back out of the monitor and immediately notify HP of the alarms.
C.
attempt a second exit through the Personnel Monitor. If it alarms, back out and go to the HP office.
D.
perform a whole body frisk using the Hand Held Monitor. If clean, leave the Protected Area.
Question:
(1 point) 70 North Anna Power Station 2022 NAPS ILT NRC RO EXAMINATION Page 70 of 75
Differential Boron Worth (K/K/ppm) will become ___(1)___ negative as Moderator Temperature increases because, at higher temperatures, a 1 ppm increase in Reactor Coolant Boron Concentration will add ___(2)___ Boron Atoms to the Core.
A.
(1) more (2) more B.
(1) more (2) fewer C.
(1) less (2) more D.
(1) less (2) fewer Question:
(1 point) 71 North Anna Power Station 2022 NAPS ILT NRC RO EXAMINATION Page 71 of 75
Given Conditions:
U1 is at 100% power
All Steam Flow, Feed Flow, and First-Stage Pressure Selector Switches are on Channel IV
1-MS-PT-1476 ("A" S/G Channel IV Steam Pressure Transmitter) fails high Which of the choices below completes the following statements?
1-MS-FI-1475 ("A" S/G Channel IV Steam Flow Indicator) will ___(1)___.
Assuming no Operator action, "A" S/G Level will ___(2)___.
A.
(1) fail high (2) rise B.
(1) fail low (2) lower C.
(1) remain the same (2) remain the same D.
(1) fail low (2) rise Question:
(1 point) 72 North Anna Power Station 2022 NAPS ILT NRC RO EXAMINATION Page 72 of 75
Given Conditions:
U1 is at 100% power
All S/G Pressures are 810 psig
Safeguards Operator reports steam is issuing from the Tailpipe of 1-MS-PCV-101A
("A" S/G PORV)
Based on the above, select the approximate Tailpipe Exit Temperature of the steam.
A.
212°F B.
310°F C.
380°F D.
530°F Question:
(1 point) 73 North Anna Power Station 2022 NAPS ILT NRC RO EXAMINATION Page 73 of 75
Given Conditions
Hot work is going to be performed in the U1 Cable Vault and Tunnel
CO2 lock-out is required Based on the above, which of the choices completes the following statements?
The U1 Cable Vault and Tunnel is provided CO2 from the ___(1)___-ton CO2 Tank In accordance with 0-OP-52.4 (Low Pressure Carbon Dioxide System B), CO2 lockout will be performed ___(2)___.
A.
(1) 6 (2) locally in the U1 Emergency Switchgear Room B.
(1) 6 (2) remotely from the Main Control Room C.
(1) 17 (2) locally in the U1 Emergency Switchgear Room D.
(1) 17 (2) remotely from the Main Control Room Question:
(1 point) 74 North Anna Power Station 2022 NAPS ILT NRC RO EXAMINATION Page 74 of 75
Given Conditions:
U1 is at 60% power
S/G Feed Flows are as follows:
o "A" S/G: 2.5 x 10 6 lbm/hr o
"B" S/G: 2.5 x 10 6 lbm/hr 6
o "C" S/G: 2.5 x 10 lbm/hr
S/G Pressures are as follows:
o "A" S/G: 840 psig o
"B" S/G: 840 psig o
"C" S/G: 840 psig
Feedwater Temperature entering each S/G is 390°F
Steam Quality is 100%
Using a simplified heat balance, what is the approximate Reactor Core Thermal Power?
A.
588 MWt B.
611 MWt C.
1764 MWt D.
1833 MWt Question:
(1 point) 75 North Anna Power Station 2022 NAPS ILT NRC RO EXAMINATION Page 75 of 75
EQUATIONS Q = m cpT N = S/(1 Keff)
Q = m h CR11 Keff1= CR21 Keff2 Q = UAT 1/M = CR1/CRx Q m Nat Circ 3
A = r2 T m Nat Circ 2
m = Av
= (Keff 1)/Keff W Pump = m P SUR = 26.06/
P = I2R
=
+
eff 1 + eff PT = 3IEpf
= 1.0 x 104 sec PR = 3IEsin eff = 0.1 sec1 (for > 0)
Thermal Efficiency = Net Work Out/Energy In DRW tip 2 /avg 2
g(z2 z1) gc
+ (v2 2 v1 2) 2gc
+ (P2 P1) + (u2 u1) + (q w) = 0 P = Poet/
P = Po10SUR(t)
A = Aoet g = 32.2 ft/sec2 gc = 32.2 lbm-ft/lbf-sec2 CONVERSIONS 1 MW = 3.41 x 106 Btu/hr
= (5/9)(32) 1 ftwater 3
= 7.48 gal 1 hp = 2.54 x 103 Btu/hr
= (9/5)() + 32 1 galwater = 8.35 lbm 1 Btu = 778 ft-lbf 1 kg = 2.21 lbm 1 Curie = 3.7 x 1010 dps Form 4.3-1 Generic Fundamental Equations and Conversion Sheet
Question Number Answer 1
C 2
D 3
A 4
A 5
B 6
C 7
D 8
B 9
D 10 C
11 B
12 C
13 B
14 C
15 C
16 D
17 C
18 B
19 A
20 D
21 A
22 C
23 D
24 B
25 D
Printed 5/19/2022 1:57:30 PM Page 1 of 3 North Anna Power Station 2022 NAPS ILT NRC RO EXAM KEY
Question Number Answer 26 A
27 C
28 B
29 A
30 B
31 D
32 D
33 B
34 B
35 D
36 A
37 A
38 A
39 C
40 D
41 C
42 B
43 D
44 A
45 A
46 B
47 D
48 A
49 B
50 A
Printed 5/19/2022 1:57:30 PM Page 2 of 3 North Anna Power Station 2022 NAPS ILT NRC RO EXAM KEY
Question Number Answer 51 A
52 B
53 B
54 B
55 B
56 B
57 D
58 A
59 B
60 D
61 D
62 A
63 A
64 A
65 C
66 D
67 B
68 C
69 A
70 B
71 D
72 A
73 B
74 A
75 D
Printed 5/19/2022 1:57:30 PM Page 3 of 3 North Anna Power Station 2022 NAPS ILT NRC RO EXAM KEY