ML20254A293
| ML20254A293 | |
| Person / Time | |
|---|---|
| Site: | North Anna |
| Issue date: | 06/24/2020 |
| From: | Virginia Electric & Power Co (VEPCO) |
| To: | NRC/RGN-II |
| References | |
| Download: ML20254A293 (82) | |
Text
U.S. Nuclear Regulatory Commission Site-Specific RO Written Examination Applicant Information Name:
Date: 6/24/2020 Facility/Unit: NAPS 1 & 2 Region:
I II III IV Reactor Type: W CE BW GE 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 overall, with 70 percent or better on the SRO-only items if given in conjunction with the RO exam; SRO-only exams given alone require a final grade of 80 percent to pass. You have 9 hours1.041667e-4 days <br />0.0025 hours <br />1.488095e-5 weeks <br />3.4245e-6 months <br /> to complete the combined examination and 3 hours3.472222e-5 days <br />8.333333e-4 hours <br />4.960317e-6 weeks <br />1.1415e-6 months <br /> if you are only taking the SRO-only portion.
Applicant Certification All work done on this examination is my own. I have neither given nor received aid.
Applicants Signature Results RO/SRO-Only/Total Examination Values ______ / ______ / ______ Points Applicants Score
______ / ______ / ______ Points Applicants Grade
______ / ______ / ______ Percent Q#3 Modified during exam based on question from an applicant:
Changed wording to "steam generator water levels" vs. "steam generator steam levels" ML20254A293
Question:
(1 point) 1 NAPS 2020 Exam NAP SRO NRC Examination North Anna Power Station Unit 1 was at 100% power when a Reactor trip and Turbine trip occurred due to a reactor trip breaker spuriously opening.
The OATC is performing 1-E-0, REACTOR TRIP OR SAFETY INJECTION, and is at the step to Verify Generator Output Breaker - OPEN.
The OATC notes that G-12 is still closed.
In accordance with 1-E-0, the operator will manually open G-12 ___(1)___ and the exciter field breaker ___(2)___ open automatically after G-12 is opened manually.
A.
(1) after 30 seconds (2) will B.
(1) after 30 seconds (2) will not C.
(1) immediately (2) will D.
(1) immediately (2) will not Page 1 of 100
Question:
(1 point) 2 NAPS 2020 Exam NAP SRO NRC Examination North Anna Power Station Unit 1 is at 100% power.
1-RC-PT-1444, PRZR Pressure Control Transmitter fails HIGH As a result of the failure, the demand on 1-RC-PC-1444J, Master Pressure Controller, will ___(1)___ and in accordance with 1-AP-44, LOSS OF REACTOR COOLANT SYSTEM PRESSURE, the OATC will place 1-RC-PC-1444J in MANUAL and depress the ___(2)___ pushbutton.
A.
(1) increase (2) raise B.
(1) increase (2) lower C.
(1) decrease (2) raise D.
(1) decrease (2) lower Page 2 of 100
Question:
(1 point) 3 NAPS 2020 Exam NAP SRO NRC Examination North Anna Power Station Unit 1 is at 20% power when 1-RC-P-1B, B Reactor Coolant Pump, trips.
As a result of the B Reactor Coolant Pump trip, the A and C steam generator steam levels will initially ___(1)___, and in accordance with 1-AR-C-H6, RC LOOP 1B LO FLOW CH I-II-III, the crew will ___(2)___.
A.
(1) lower (2) ramp the unit down to less than 5%
B.
(1) lower (2) trip the reactor C.
(1) rise (2) ramp the unit down to less than 5%
D.
(1) rise (2) trip the reactor Page 3 of 100 water
Question:
(1 point) 4 NAPS 2020 Exam NAP SRO NRC Examination North Anna Power Station Given the following conditions:
Unit 1 is in MODE 5 following a shutdown for refueling.
A loss of RHR occurs.
In accordance with 1-GOP-13.1, ALTERNATE CORE COOLING METHOD ASSESSMENT GUIDELINES, the Gravity Feed and Spill method of alternate core cooling is meant to be used for up to ___(1)___ and with no breaches in the RCS, the preferred flow path is to the ___(2)___ leg.
A.
(1) 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> (2) Hot B.
(1) 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> (2) Cold C.
(1) 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> (2) Hot D.
(1) 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> (2) Cold Page 4 of 100
Question:
(1 point) 5 NAPS 2020 Exam NAP SRO NRC Examination North Anna Power Station Given the following conditions:
Unit 1 is at 30% power in a chemistry hold Rods are in manual A saturated mixed bed ion exchanger is in service The output on 1-CC-TCV-106, CC return from NRHX, drifts from 80% to 50%.
Letdown temperature increases to 126oF.
Due to this failure, RCS temperature will ___(1)___ and the operator will take manual control of 1-CC-TCV-106 and depress the ___(2)___ button to return letdown temperature to the previous value.
A.
(1) lower (2) raise B.
(1) rise (2) raise C.
(1) lower (2) lower D.
(1) rise (2) lower Page 5 of 100
Question:
(1 point) 6 NAPS 2020 Exam NAP SRO NRC Examination North Anna Power Station Given the following conditions:
Unit 2 is at 100% power 2-RC-PCV-2455C, Przr PORV, stuck open Przr pressure is 2185 PSIG PRT pressure is 20 PSI Containment pressure is 10.5 PSIA 2-RC-TI-2463, Przr PORV Relief Line Temp, should indicate ___(1)___ °F and in accordance with 2-AP-44, LOSS OF REACTOR COOLANT PRESSURE, to isolate the stuck open PORV the crew would close Przr Block Valve ___(2)___.
A.
(1) 649 (2) 2-RC-MOV-2535 B.
(1) 649 (2) 2-RC-MOV-2536 C.
(1) 250 (2) 2-RC-MOV-2535 D.
(1) 250 (2) 2-RC-MOV-2536 Page 6 of 100
Question:
(1 point) 7 NAPS 2020 Exam NAP SRO NRC Examination North Anna Power Station With Unit 1 at 100% power, steady-state conditions, an N-16 Radiation Monitor alarm was received at 0100 with the following readings:
A = 2 gpd B = 50 gpd C = 3 gpd Header = 70 gpd The shift crew entered the appropriate procedures and made required notifications.
By 0200, the N-16 Radiation Monitors slowly increased to the following values:
A = 8 gpd B = 110 gpd C = 8 gpd Header = 135 gpd Assuming the N-16 Radiation Monitor readings stabilize at these current values (no further increase), in accordance with 1-AP-24, STEAM GENERATOR TUBE LEAK, what actions should the shift crew take with regard to continued operation of the unit?
A.
Reduce power to less than or equal to 50% within 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br />, and place the unit in Mode 3 within 3 hours3.472222e-5 days <br />8.333333e-4 hours <br />4.960317e-6 weeks <br />1.1415e-6 months <br />.
B.
If current leakage is sustained for 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> then place the unit in Mode 3 within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.
C.
Immediately take action to place the unit in Mode 3 within 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br />, and in Mode 5 within 36 hours4.166667e-4 days <br />0.01 hours <br />5.952381e-5 weeks <br />1.3698e-5 months <br />.
D.
Maintain current power level Page 7 of 100
Question:
(1 point) 8 NAPS 2020 Exam NAP SRO NRC Examination North Anna Power Station Unit 1 is at 100%
The selected steam pressure channel for the 'C' SG fails high Which ONE of the choices below completes the following statements concerning the
'C' SG trend recorder indications and operator actions?
Indicated Steam Flow will ___(1)___.
In accordance with 1-AP-3, the operator will take manual control of the associated MFRV and (2) feed flow.
A.
(1) rise (2) lower B.
(1) rise (2) raise C.
(1) lower (2) lower D.
(1) lower (2) raise Page 8 of 100
Question:
(1 point) 9 NAPS 2020 Exam NAP SRO NRC Examination North Anna Power Station Unit 1 was at 100% power when a loss of all offsite power occurred Both Emergency Diesel Generators are unavailable due to mechanical failure The Station Blackout diesel is being aligned to the 1J emergency bus and the SBO operator is at the step to place the associated INTERLOCK DEFEAT switch in the SBO position.
In accordance with 0-OP-6.4, OPERATION OF THE SBO DIESEL (SBO EVENT), the SBO INTERLOCK DEFEAT switch for the __________ breaker will be placed in the INTERLOCK DEFEAT position in order to energize the 1J emergency bus.
A.
05L3, SBO D BUS TIE B.
15J11, 4160V EMER BUS 1J NORMAL FEED C.
15D3, 4160V TRANS BUS 1D FEED TO EMER BUS 1J D.
15J1, 4160V EMER BUS 1J ALT FEED Page 9 of 100
Question:
(1 point) 10 NAPS 2020 Exam NAP SRO NRC Examination North Anna Power Station In response to ECA-0.0, LOSS OF ALL AC, the operating crew will depressurize all intact S/Gs to 290 psig.
In accordance with ECA-0.0, the Steam Generator pressures must not be reduced to less than 190 psi to ensure that __________.
A.
nitrogen will not be injected into the RCS B.
the SG U tubes will remain covered C.
the RCS is not excessively cooled down D.
long term RCP seal integrity is maintained Page 10 of 100
Question:
(1 point) 11 NAPS 2020 Exam NAP SRO NRC Examination North Anna Power Station Unit 1 was at 100% power when a loss of the 1-I Vital AC bus occurred Before the 1-I Vital AC bus is restored, a LOCA and Safety Injection (SI) occurs The crew is currently performing 1-E-0, REACTOR TRIP OR SAFETY INJECTION, attachment 5, VERIFICATION OF SI AND PHASE A, step one: "Verify Charging Pump Alignment."
Based on the above conditions at this procedure step _____________.
A.
1-CH-MOV-1115D, Charging Pump Suction from the RWST, will be open B.
1-CH-MOV-1115D, Charging Pump Suction from the RWST, must be manually opened C.
1-CH-MOV-1115C, Charging Pump Suction from the VCT, will be closed D.
1-CH-MOV-1115E, Charging Pump Suction from the VCT, must be manually closed Page 11 of 100
Question:
(1 point) 12 NAPS 2020 Exam NAP SRO NRC Examination North Anna Power Station Unit 1 is at 100% when a loss of all offsite power occurs Concurrent with the loss of offsite power, the 125 Vital DC Bus 1-I de-energizes due to a breaker failure.
Which of the choices below completes the following statements?
The 1H EDG ___(1)___.
Per 0-AP-10 Attachment 13 (Loss of Vital DC Bus 1-1) Breaker 15H2, 4160V Emer Bus 1H Emer Gen Supply, will be ___(2)___ closed.
A.
(1) must be manually started (2) locally B.
(1) must be manually started (2) manually C.
(1) will start automatically (2) locally D.
(1) will start automatically (2) manually Page 12 of 100
Question:
(1 point) 13 NAPS 2020 Exam NAP SRO NRC Examination North Anna Power Station Both units are at 100%
Both Unit 2 SW pumps are running SW alignment is normal Flooding is reported in the auxiliary building upstream of 2-SW-MOV-208A, SW to the CC heat exchangers In accordance with 0-AP-39.2, AUXILIARY BUILDING FLOODING, the operating crew is required to stop ___(1)___ and isolate the Charging Pumps, Instrument Air Compressors, and Control Room Chillers from the ___(2)___ header.
A.
(1) 2-SW-P-1A (2) A B.
(1) 2-SW-P-1A (2) B C.
(1) 2-SW-P-1B (2) A D.
(1) 2-SW-P-1B (2) B Page 13 of 100
Question:
(1 point) 14 NAPS 2020 Exam NAP SRO NRC Examination North Anna Power Station Given the following conditions:
Unit 2 is experiencing a sustained loss of Instrument Air.
The crew has tripped the reactor, performed the immediate actions of 2-E-0, REACTOR TRIP OR SAFETY INJECTION and is currently performing 2-ES-0.1, REACTOR TRIP RESPONSE.
2-AP-28, LOSS OF INSTRUMENT AIR, has also been initiated.
Which ONE of the choices below completes the following statements?
In accordance with 2-ES-0.1, the ___(1)___ will be operated locally to control RCS temperature.
The RCPs are tripped ___(2)___.
A.
(1) Decay Heat Release Valve (2) to reduce heat input to RCS B.
(1) Decay Heat Release Valve (2) due to the loss of Component Cooling C.
(1) SG PORVs (2) to reduce heat input to RCS D.
(1) SG PORVs (2) due to the loss of Component Cooling Page 14 of 100
Question:
(1 point) 15 NAPS 2020 Exam NAP SRO NRC Examination North Anna Power Station Given the following:
Both units are at 100% power.
Due to voltage, frequency and megawatt fluctuations on the grid, the crew is performing actions contained in 0-AP-8, RESPONSE TO GRID INSTABILITY.
The crew has verified equipment operability.
Which ONE of the following describes the operation of the Main Generator Voltage Regulators, and the condition that requires the offsite power source to be declared inoperable?
A.
Maintain voltage regulators in AUTO; grid voltage increases to 536 kV B.
Place voltage regulators in MANUAL; grid voltage increases to 536 kV C.
Maintain voltage regulators in AUTO; grid voltage decreases to 504 kV D.
Place voltage regulators in MANUAL; grid voltage decreases to 504 kV Page 15 of 100
Question:
(1 point) 16 NAPS 2020 Exam NAP SRO NRC Examination North Anna Power Station Given the following conditions on Unit 1:
Unit 1 was at 100% power with all equipment in a normal configuration A Safety Injection has occurred due to a LOCA outside containment The crew is performing 1-ECA-1.2, LOCA OUTSIDE CONTAINMENT Which one of the following describes the heat removal mechanism that is utilized to stabilize the plant immediately after the leak is isolated using 1-E-1, LOSS OF REACTOR OR SECONDARY COOLANT?
A.
RCS bleed and feed B.
LHSI system in Recirculation Mode D.
RHR system Page 16 of 100
Question:
(1 point) 17 NAPS 2020 Exam NAP SRO NRC Examination North Anna Power Station Unit 1 was at 100% power when a loss of feedwater occurred.
No Auxiliary Feedwater flow could be established.
The crew is currently performing 1-FR-H.1, RESPONSE TO LOSS OF SECONDARY HEAT SINK Reactor Coolant System bleed and feed has not been initiated and is not yet required.
While attempting to restore steam generator (SG) feedwater flow from the Condensate System the following indications are observed:
0.3 X 106 lbm/hr to "A" SG 0.4 X 106 lbm/hr to "B" SG 0.2 X 106 lbm/hr to "C" SG Which one of the following statements is correct concerning subsequent procedure usage?
A.
Since total flow rate is 0.9 X 106 lbm/hr, the intent of the procedure is met, and secondary heat sink is restored. Exit 1-FR-H.1 and return to procedure and step in effect.
B.
Continue attempts to supply at least 0.7 X 106 lbm/hr to at least one SG.
C.
Verify that core exit thermocouples are decreasing OR that SG wide-range levels are increasing. Exit 1-FR-H.1 and return to procedure and step in effect.
D.
Abandon attempts to restore flow from the Condensate System. Attempt to establish feedwater flow from the Fire Protection System or the Service Water System.
Page 17 of 100
Question:
(1 point) 18 NAPS 2020 Exam NAP SRO NRC Examination North Anna Power Station Given the following conditions:
At 0340, Unit 1 tripped due to a LOCA
The crew has entered 1-ECA-1.1, LOSS OF EMERGENCY COOLANT RECIRCULATION, and is at the step Establish minimum SI flow to remove decay heat.
Current time is 0455 In accordance with 1-ECA-1.1, the minimum amount of SI flow required to remove decay heat is ___(1)___ gpm and any SI pump taking suction from the RWST must be stopped when RWST level lowers to ___(2)___%.
REFERENCE PROVIDED A.
(1) 305 (2) 8 B.
(1) 305 (2) 16 C.
(1) 290 (2) 8 D.
(1) 290 (2) 16 Page 18 of 100
Question:
(1 point) 19 NAPS 2020 Exam NAP SRO NRC Examination North Anna Power Station Given the following conditions:
Unit 1 is at 40% power.
A continuous rod withdrawal occurs.
The OATC places the Rod Control Mode Selector switch to the manual position and rod motion stops.
Which ONE of the following conditions would require entry into a Technical Specification LCO? (Assume indications are valid)
A.
One IRPI indicates 175 steps with the bank demand at 190 steps B.
Axial Flux Deviation (AFD) indicates +22%
C.
Pressurizer pressure is 2225 psig D.
Quadrant Power Tilt Ratio (QPTR) is 1.023 Page 19 of 100
Question:
(1 point) 20 NAPS 2020 Exam NAP SRO NRC Examination North Anna Power Station Unit 2 is in MODE 6 with core offload in progress A fuel assembly is currently in the fuel transfer cart and being transferred to the Spent Fuel Pit (SFP)
Reactor cavity level and SFP level are reported to be lowering Which ONE of the choices below completes the following statements in accordance with 0-AP-27, MALFUNCTION OF SPENT FUEL PIT SYSTEM?
Send the transfer cart to the ___(1)___ and close the transfer tube gate valve.
If at any time the radiation levels in the Fuel Building reach ___(2)___, then the Fuel Building should be evacuated.
A.
(1) fuel building (2) 1 R/HR B.
(1) fuel building (2) 100 mR/HR C.
(1) containment (2) 1 R/HR D.
(1) containment (2) 100 mR/HR Page 20 of 100
Question:
(1 point) 21 NAPS 2020 Exam NAP SRO NRC Examination North Anna Power Station Unit 1 was operating at 100% power when a SG tube rupture occurred.
The crew is performing 1-E-3, STEAM GENERATOR TUBE RUPTURE.
In accordance with 1-E-3, what actions are performed to align the condenser air ejector discharge to containment?
A.
Reset safety injection, place both AIR EJECTOR TO CONTAINMENT SI RESET switches to RESET and manually align the air ejector discharge to containment.
B.
Remove the condenser air ejector radiation monitor fuses, reset phase A isolation and place both AIR EJECTOR TO CONTAINMENT SI RESET switches to RESET.
C.
Remove the condenser air ejector radiation monitor fuses, reset safety injection and place both AIR EJECTOR TO CONTAINMENT SI RESET switches to RESET.
D.
Reset phase A isolation, place both AIR EJECTOR TO CONTAINMENT SI RESET switches to RESET and manually align the air ejector discharge to containment.
Page 21 of 100
Question:
(1 point) 22 NAPS 2020 Exam NAP SRO NRC Examination North Anna Power Station Given the following conditions:
The unit has just been placed on line Reactor power is 20% and increasing at 0.3%/minute The reactor operator observes main condenser pressure at 4 Hg abs and degrading What is the required team response in accordance with 1-AP-14, LOW CONDENSER VACUUM?
A.
Enter 1-E-0, REACTOR TRIP OR SAFETY INJECTION, while continuing with 1-AP-14.
B.
Reduce plant load at 5%/minute or less until condenser vacuum is stable.
C.
Initiate 1-AP-2.2, FAST LOAD REDUCTION.
D.
Trip the turbine and go to 1-AP-2.1, TURBINE TRIP WITHOUT REACTOR TRIP REQUIRED, while continuing with 1-AP-14.
Page 22 of 100
Question:
(1 point) 23 NAPS 2020 Exam NAP SRO NRC Examination North Anna Power Station Given the following conditions:
Control Room evacuation has been initiated Control of equipment is being transferred to the Auxiliary Shutdown Panel.
Due to a contact failure, 1-FW-P-3A, A Motor Driven AFW Pump, did not start automatically but is available for manual start Which ONE of the choices below completes the following statements?
In accordance with 1-AP-20, OPERATION FROM THE AUXILIARY SHUTDOWN PANEL, to start 1-FW-P-3A from the Auxiliary Shutdown Panel, the operator will place the associated Local-Remote switch to the ___(1)___ position.
To control the C SG level, the operator will use ___(2)___.
A.
(1) Remote (2) 1-FW-MOV-100C B.
(1) Local (2) 1-FW-MOV-100C C.
(1) Remote (2) 1-FW-HCV-100C D.
(1) Local (2) 1-FW-HCV-100C Page 23 of 100
Question:
(1 point) 24 NAPS 2020 Exam NAP SRO NRC Examination North Anna Power Station Given the following conditions:
Unit 1 trip and safety injection occurred.
The crew is currently performing 1-FR-C.1, RESPONSE TO INADEQUATE CORE COOLING The A RCP was started due to high core exit temperature.
The B and C RCPs are available.
A PCS alarm is received on the A RCP pump radial bearing and the operator notes that it is reading 215°F Core exit temperatures are currently 1225°F and slowly rising.
Which one of the following statements describes the actions to be taken by the crew in accordance with 1-FR-C.1?
A.
Leave the A RCP running, no additional actions required.
B.
Immediately secure the A RCP and start one of the other RCPs.
C.
Start one of the other RCPs and then secure the A RCP.
D.
Leave the A RCP running and start an additional RCP.
Page 24 of 100
Question:
(1 point) 25 NAPS 2020 Exam NAP SRO NRC Examination North Anna Power Station In accordance with 1-ES-1.2, POST LOCA COOLDOWN AND DEPRESSURIZATION, which ONE of the following is the preferred method to cooldown and depressurize the RCS?
A.
Cooldown using SG PORV Depressurize using PRZR PORV B.
Cooldown using condenser steam dumps Depressurize using normal PRZR Spray C.
Cooldown using condenser steam dumps Depressurize using PRZR PORV D.
Cooldown using SG PORV Depressurize using normal PRZR spray Page 25 of 100
Question:
(1 point) 26 NAPS 2020 Exam NAP SRO NRC Examination North Anna Power Station Assume the following conditions.
Unit 1 was at 100% power A main steam line break occurred inside containment The operating crew is now in 1-FR-P.1, RESPONSE TO IMMINENT PRESSURIZED THERMAL SHOCK The crew is at the step to determine if an RCS temperature soak is required.
Which ONE of the choices below completes the following statements?
An RCS temperature soak is required if cold leg temperature decreases a minimum of
___(1)___°F in any 60 minute period.
The purpose of the soak is to ___(2)___.
A.
(1) 50 (2) cool the reactor vessel head to minimize void formation that will result from subsequent depressurization B.
(1) 50 (2) reduce thermal gradients in the reactor vessel C.
(1) 100 (2) cool the reactor vessel head to minimize void formation that will result from subsequent depressurization D.
(1) 100 (2) reduce thermal gradients in the reactor vessel Page 26 of 100
Question:
(1 point) 27 NAPS 2020 Exam NAP SRO NRC Examination North Anna Power Station Given the following conditions:
Unit 1 was at 100% power when a Large Break LOCA occurred inside containment.
All RS pumps and heat exchangers are in service.
One RS heat exchanger has a tube rupture.
Containment recirc spray sump level is 8 feet.
Which one of the choices below completes the following statements?
The entry criteria for 1-FR-Z.2, RESPONSE TO HIGH CONTAINMENT SUMP LEVEL,
___(1)___ met.
The tube rupture in the RS heat exchanger ___(2)___ the cause of the high level in the containment recirc spray sump.
A.
(1) is not (2) is B.
(1) is (2) is C.
(1) is not (2) is not D.
(1) is (2) is not Page 27 of 100
Question:
(1 point) 28 NAPS 2020 Exam NAP SRO NRC Examination North Anna Power Station Unit 1 is stable at 20% power.
1-RC-P-1A seal parameters on PCS are as follows:
SEAL #1 OUTLET PRESSURE = 2235 PSIG SEAL #2 OUTLET PRESSURE = 2235 PSIG SEAL HI-RNG FLOW = 4.3 GPM SEAL LO-RNG FLOW = 1.0 GPM SEAL #1 DELTA-P = 0 PSI SEAL #2 DELTA-P = 0 PSI SEAL #3 DELTA-P = 2205 PSI Which ONE of the following describes the actions the crew must take in accordance with 1-AP-33.1, REACTOR COOLANT PUMP SEAL FAILURE?
A.
Initiate an orderly shutdown.
B.
Consult with system engineering. Monitor RCP parameters.
C.
Go to 1-E-0. After the reactor is tripped stop 1-RC-P-1A.
D.
If the A RCP pump radial bearing exceeds 225°F then go to 1-E-0. After the reactor is tripped stop 1-RC-P-1A.
Page 28 of 100
Question:
(1 point) 29 NAPS 2020 Exam NAP SRO NRC Examination North Anna Power Station Given the following conditions:
Unit 1 is in Mode 3 and is being cooled down for a refueling outage RCS temperature is at 450°F and lowering RCS Pressure is at 1000 psig and lowering 1-CH-PCV-1145, Letdown Pressure Control Valve, is in automatic As the RCS cool down continues, letdown flow will ___(1)___ and 1-CH-PCV-1145 will
___(2)___.
A.
(1) lower (2) close B.
(1) lower (2) open C.
(1) remain constant (2) open D.
(1) remain constant (2) close Page 29 of 100
Question:
(1 point) 30 NAPS 2020 Exam NAP SRO NRC Examination North Anna Power Station The crew is in 1-FR-S.1, RESPONSE TO NUCLEAR POWER GENERATION/ATWS, and is at the step to initiate boration.
In accordance with 1-FR-S.1, the crew will be directed to do which of the following.
A.
Start the blender in the BORATE mode and adjust boric acid flow rate to
>15 gpm.
B.
Place the blender control switch in START and open 1-CH-MOV-1350.
C.
Place the Boric Acid Transfer pump in FAST, ensure 1-CH-FCV-1113A is open and then open 1-CH-FCV-1113B.
D.
Place the Boric Acid Transfer pump in FAST and open 1-CH-MOV-1350, Emergency Borate Valve.
Page 30 of 100
Question:
(1 point) 31 NAPS 2020 Exam NAP SRO NRC Examination North Anna Power Station During refueling operations, Technical Specifications require only ONE RHR loop operable and in operation whenever cavity water level is ___(1)___ and compliance with this LCO ensures ___(2)___.
A (1) greater than or equal to 23 feet above the top of the reactor vessel flange (2) proper mixing of RCS coolant to minimize the possibility of localized dilution B
(1) greater than or equal to 23 feet above the top of the reactor vessel flange (2) acceptable limits are maintained in the event of a fuel handling accident C
(1) less than 23 feet above the top of the reactor vessel flange (2) proper mixing of RCS coolant to minimize the possibility of localized dilution D
(1) less than 23 feet above the top of the reactor vessel flange; (2) acceptable limits are maintained in the event of a fuel handling accident Page 31 of 100
Question:
(1 point) 32 NAPS 2020 Exam NAP SRO NRC Examination North Anna Power Station Unit 1 was at 100% power when a large break LOCA occurred.
The following indications are noted on the Plant Computer:
RWST level = 81%
1-SI-P-1A and 1B, Low Head Safety Injection Pumps, = 2,500 gpm each LOOP A COLD LEG HHSI FLOW = 130 gpm LOOP B COLD LEG HHSI FLOW = 140 gpm LOOP C COLD LEG HHSI FLOW = 130 gpm 1-QS-P-1A and 1B, Quench Spray Pump, flows are 1900 gpm each Disregarding the volume of the chemical addition tank, an automatic swapover to cold-leg recirculation will occur in approximately ______ minutes.
REFERENCE PROVIDED A.
26 B.
33 C.
46 D.
64 Page 32 of 100
Question:
(1 point) 33 NAPS 2020 Exam NAP SRO NRC Examination North Anna Power Station During 100% power operation, PRT in-leakage is identified as increasing. Which ONE of the following identifies a possible source?
A.
Reactor vessel head vent valve leakage B.
RCS loop stop valve stem leakoff C.
RCP #3 seal leakoff D.
RCP seal return relief valve leakage Page 33 of 100
Question:
(1 point) 34 NAPS 2020 Exam NAP SRO NRC Examination North Anna Power Station Unit 1 is in MODE 5 following a refueling outage.
The crew is currently filling the pressurizer solid in preparation for RCP start and drawing a pressurizer bubble.
Which one of the choices below completes the following questions?
In accordance with 1-OP-5.1, Filling and venting the RCS, ___(1)___ level is used to determine when the Przr is full.
In accordance with 1-OP-1.1, Unit Startup from MODE 5 at <140° to MODE 5 at
<200°, the ___(2)___ RCP is preferred to be running when drawing a Przr bubble.
A.
(1) Pressurizer (2) C B.
(1) Pressurizer (2) B C.
(1) Pressurizer Relief Tank (2) C D.
(1) Pressurizer Relief Tank (2) B Page 34 of 100
Question:
(1 point) 35 NAPS 2020 Exam NAP SRO NRC Examination North Anna Power Station Unit 1 is operating at 100% power when a loss of Component Cooling occurs.
Assuming all other systems are operating normal, which ONE of the following RCP components will be the first to exceed its maximum permissible temperature?
A.
Pump radial bearing B.
Motor bearings C.
Motor stator D.
Pump seals Page 35 of 100
Question:
(1 point) 36 NAPS 2020 Exam NAP SRO NRC Examination North Anna Power Station Assume the following conditions:
Unit 1 is operating at 100% power Pressurizer (PRZR) level selector switch is in the 459/460 position PRZR level and pressure control operating normally in auto All PRZR backup heaters are initially locked on due to spray valve leakage 1-RC-LT-1459 fails low The reactor operator responds by placing the PRZR level selector switch to the 461/460 position Assuming no other actions, the PRZR control group heaters are ___(1)___, and the backup heaters are ___(2)____.
A.
(1) de-energized (2) energized B.
(1) energized (2) de-energized C.
(1) energized (2) energized D.
(1) de-energized (2) de-energized Page 36 of 100
Question:
(1 point) 37 NAPS 2020 Exam NAP SRO NRC Examination North Anna Power Station Given the following conditions on Unit 1:
RCS pressure is 1985 PSIG and slowly lowering due to a leaking Pressurizer Safety Valve PRT pressure is currently 65 PSIG and rising Discharge temperature downstream of safety valve is 310°F Containment pressure is currently 10.5 PSIA Which ONE of the choices below completes the following statements?
When the PRT rupture disc ruptures, the rate of RCS system depressurization will
___(1)___ and the temperature downstream of the safety valve will ___(2)___.
A.
(1) remain the same (2) remain the same B.
(1) remain the same (2) lower C.
(1) rise (2) lower D.
(1) rise (2) remain the same Page 37 of 100
Question:
(1 point) 38 NAPS 2020 Exam NAP SRO NRC Examination North Anna Power Station Unit 1 is in mode 3 preparing for reactor startup when the following occurs:
Containment Pressure Protection Channel II fails HIGH.
The instrument technician inadvertently places Containment Pressure Protection Channel I in Trip/Bypass Which ONE of the following describes the response of the Engineered Safety Feature (ESF) Actuation System?
A.
Safety injection only.
B.
Safety injection and main steam line isolation only.
C.
Safety injection, main steam line isolation, and CDA.
D.
No ESF actuations will occur.
Page 38 of 100
Question:
(1 point) 39 NAPS 2020 Exam NAP SRO NRC Examination North Anna Power Station Which one of the choices below completes the following statement?
The Unit 1 Solid State Protection System 'B' Train Output Cabinet Slave Relays are powered from ______.
A.
Vital DC bus 1-III B.
Vital DC bus 1-IV C.
Vital AC bus 1-III D.
Vital AC bus 1-IV Page 39 of 100
Question:
(1 point) 40 NAPS 2020 Exam NAP SRO NRC Examination North Anna Power Station The mechanical chiller is removed from service for maintenance. Both units' containments are being cooled by service water to the containment air recirc coolers.
If a ___(1)___ occurs on unit 1, then service water will isolate to ___(2)___
containment air recirc coolers.
A.
(1) containment depressurization actuation (2) only unit 1 B.
(1) safety injection (2) only unit 1 C.
(1) safety injection (2) both units D.
(1) containment depressurization actuation (2) both units Page 40 of 100
Question:
(1 point) 41 NAPS 2020 Exam NAP SRO NRC Examination North Anna Power Station The ___(1)___ Recirc Spray pumps can be aligned to provide backup to the LHSI pumps on Unit ___(2)___.
A.
(1) Inside (2) 1 B.
(1) Inside (2) 2 C.
(1) Outside (2) 1 D.
(1) Outside (2) 2 Page 41 of 100
Question:
(1 point) 42 NAPS 2020 Exam NAP SRO NRC Examination North Anna Power Station Unit 1 was at 100% power when a large break LOCA occurred inside containment.
1-SW-MOV-101A, A SW Supply Header to RSHX Isol Valve, fails to open.
Which one of the choices below describes the effect of this failure on SW flow to the RS Heat Exchangers?
A.
One RS Heat Exchanger will have no flow.
B.
Two RS Heat Exchangers will have no flow.
C.
All RS Heat Exchangers will have reduced flow.
D.
All RS Heat Exchangers will have full flow.
Page 42 of 100
Question:
(1 point) 43 NAPS 2020 Exam NAP SRO NRC Examination North Anna Power Station Unit 1 is at 66% power Which ONE of the following conditions will cause the Main Steam Isolation Valves to close automatically?
A.
Containment pressure = 17 psia B.
B and C Main steam flows = 82% coincident with Tave = 542°F C.
B SG 120 psi less than A and C SGs D.
A and B Steam Generator Narrow Range levels > 75%
Page 43 of 100
Question:
(1 point) 44 NAPS 2020 Exam NAP SRO NRC Examination North Anna Power Station With the unit at 100% power, which ONE of the following would require entry into a Technical Specification LCO if it failed?
A.
1-FW-FT-1487, B Steam Generator Feedwater Flow Transmitter B.
1-MS-PT-1464, STM HDR Pressure CH IV C.
1-FW-MOV-150A, A MFW pump discharge isolation D.
1-FW-P-1B, B MFW pump Page 44 of 100
Question:
(1 point) 45 NAPS 2020 Exam NAP SRO NRC Examination North Anna Power Station Unit 1 is at 8% power.
The main turbine is on the turning gear.
A FW pump is running, B FW pump is in auto and the C FW pump is in PTL Which ONE of the following would cause the AFW pumps to start automatically?
A.
1/3 narrow range level channels on 2/3 SGs <18%.
B.
FW pump differential pressure transmitter fails low.
C.
1-FW-MOV-154A, A Main Feed MOV, spuriously closes.
D.
A FW pump trips and B FW pump auto starts.
Page 45 of 100
Question:
(1 point) 46 NAPS 2020 Exam NAP SRO NRC Examination North Anna Power Station Unit 2 is at 100% power. Following the quarterly PT on 2-FW-P-2, Turbine Driven Auxiliary Feedwater Pump, the Unit 2 safeguards operator has just called to report that the discharge piping for the turbine-driven auxiliary feedwater pump is hot to the touch.
A contact pyrometer was placed on the piping and indicated a temperature of 130F.
Which ONE of the following describes why the hot auxiliary feedwater piping is of concern?
A.
2-MS-TV-211A or 2-MS-TV-211B has excessive leak through and discharge paperwork needs to be filed with health physics due to a release to atmosphere.
B.
The pumps discharge check valves are leaking through which could cause steam binding of the pump when it is started.
C.
The pumps turbine trip/throttle valve is leaking through and the excess steam could cause the pump to overspeed when it is started.
D.
The pump was run on recirc for an extended period of time which could lead to pump degradation.
Page 46 of 100
Question:
(1 point) 47 NAPS 2020 Exam NAP SRO NRC Examination North Anna Power Station Unit 2 was at 100% power when a reactor trip occurred.
RCS Tave = 547°F AFW has not been throttled 2-FW-P-3A, A Motor Driven AFW pump, degrades and discharge pressure lowers to
<900 psig.
In response to the pump degradation, 2-FW-PCV-259 ___(1)___ will close to maintain discharge pressure and AFW flow to the ___(2)___ SG will be lost.
A.
(1) A (2) A B.
(1) B (2) C C.
(1) B (2) A D.
(1) A (2) C Page 47 of 100
Question:
(1 point) 48 NAPS 2020 Exam NAP SRO NRC Examination North Anna Power Station With Unit 1 at 100% power, the 1H 4160-volt bus normal feeder breaker 15H11 tripped open, and the 1H emergency diesel generator re-energized the bus.
In accordance with 0-AP-10, Loss of Electrical Power, configuring 1H bus loads is done as a high priority in order to __________.
A.
facilitate restoration of the emergency bus from the alternate supply B.
reduce the load that currently exists on 1H bus to < 3000 Kw C.
ensure that 1H bus loads will sequence onto the bus in the event of an SI/CDA D.
prevent EDG overload in the event of an SI/CDA Page 48 of 100
Question:
(1 point) 49 NAPS 2020 Exam NAP SRO NRC Examination North Anna Power Station A loss of all AC power has occurred on unit 1.
With no operator action, the ___(1)___ vital DC bus is expected to discharge at the highest rate due to ___(2)___.
A.
(1) 1-II (2) 1-TM-P-5, Emergency Turbine Oil pump B.
(1) 1-II (2) 1-GM-P-8, Air-Side Seal Oil Backup pump C.
(1) 1-IV (2) 1-TM-P-5, Emergency Turbine Oil pump D.
(1) 1-IV (2) 1-GM-P-8, Air-Side Seal Oil Backup pump Page 49 of 100
Question:
(1 point) 50 NAPS 2020 Exam NAP SRO NRC Examination North Anna Power Station Given the following conditions:
Unit 1 tripped from 100% power due to loss of off-site power.
The crew is performing 1-ECA-0.0, Loss of all AC Power.
The SBO has not been loaded on an emergency bus.
Annunciators 1G-B7, AIR SIDE SO BKUP PP RUN >15 MINUTES, and 1G-C7, EMER TURB OIL PP RUN >15 MINUTES, ARE lit.
An operator has been dispatched to perform the "Turbine Building Operations" attachment.
The actions of venting main generator hydrogen and opening the condenser vacuum breaker are performed to __________________.
A.
prevent water from the 5th and 6th point feedwater heaters from impacting the turbine blading.
B.
prevent windage damage to the turbine blading.
C.
avoid an explosive concentration of hydrogen in the main generator.
D.
prolong the time vital DC-powered equipment may be operated.
Page 50 of 100
Question:
(1 point) 51 NAPS 2020 Exam NAP SRO NRC Examination North Anna Power Station Given the following conditions:
1H EDG is carrying 1H emergency bus The crew is transferring 1H bus back to its normal source The operator places the synchronizing switch for 15H11, 1H normal feeder, to ON The synchroscope begins rotating fast in the counterclockwise direction.
The operator will have to ___(1)___ 1H EDG speed until the synchroscope is rotating slowly in the ___(2)___ direction.
A.
(1) raise (2) clockwise B.
(1) lower (2) counterclockwise C.
(1) lower (2) clockwise D.
(1) raise (2) counterclockwise Page 51 of 100
Question:
(1 point) 52 NAPS 2020 Exam NAP SRO NRC Examination North Anna Power Station A waste gas decay tank (WGDT) release is in progress. Which ONE of the following will directly cause an automatic termination of the release?
A.
Process vent rad monitor 1-GW-RM-178-1 fails high.
B.
Waste gas analyzer 1-GW-O2-102 fails high.
C.
WGDT outlet flow transmitter 1-GW-FT-101 fails low.
D.
Vent stack B rad monitor 1-VG-RM-180-1 fails high.
Page 52 of 100
Question:
(1 point) 53 NAPS 2020 Exam NAP SRO NRC Examination North Anna Power Station Which ONE of the choices below completes the following statements about SW Spray Array MOVs?
Each emergency bus powers ___(1)___ SW spray MOV(s).
The SW spray MOVs open ___(2)___ after a Safety Injection signal.
A.
(1) 2 (2) immediately B.
(1) 1 (2) immediately C.
(1) 2 (2) 15 seconds D.
(1) 1 (2) 15 seconds Page 53 of 100
Question:
(1 point) 54 NAPS 2020 Exam NAP SRO NRC Examination North Anna Power Station Both Units are at 100% power A piping rupture has occurred on the Service Water Pump House compressed air system and the system has depressurized.
Due to this failure, indicated SW reservoir level will fail ___(1)___ and level will have to be checked locally to ensure reservoir level is above the minimum Technical Specification requirement of ___(2)___ feet.
A.
(1) high (2) 315 B.
(1) high (2) 313 C.
(1) low (2) 315 D.
(1) low (2) 313 Page 54 of 100
Question:
(1 point) 55 NAPS 2020 Exam NAP SRO NRC Examination North Anna Power Station Given the following conditions:
Unit 1 was operating at 100% power when a LOCA occurred.
Safety Injection and phase "A" containment isolation automatically actuated within seconds of the event.
Containment pressure is continuing to climb.
If containment pressure reaches 20 PSIA, which one of the following additional systems have been automatically isolated?
A.
Instrument Air B.
Main Steam C.
RCP Seal Leakoff D.
Steam Generator Blowdown Page 55 of 100
Question:
(1 point) 56 NAPS 2020 Exam NAP SRO NRC Examination North Anna Power Station The input signal used by the rod insertion limit circuit for determining the low-low insertion limits is __________.
A.
median/high select delta T (T)
B.
Power Range NI (N44)
C.
median/high select Tave D.
Turbine first-stage pressure (Selectable)
Page 56 of 100
Question:
(1 point) 57 NAPS 2020 Exam NAP SRO NRC Examination North Anna Power Station Unit 1 is at 20% power Given the following conditions:
All Pressurizer heaters are locked on The feeder breaker to the 1H emergency bus trips open The 1H EDG starts and re-energizes the 1H bus In response to this event, pressurizer heater group #___(1)___ will de-energize and after the bus voltage is restored, the affected heater group ___(2)___ automatically re-energize with no operator action.
A.
(1) 4 (2) will not B.
(1) 1 (2) will C.
(1) 1 (2) will not D.
(1) 4 (2) will Page 57 of 100
Question:
(1 point) 58 NAPS 2020 Exam NAP SRO NRC Examination North Anna Power Station The unit is at 75% power with "D" bank control rods at 150 steps in AUTOMATIC when power-range nuclear instrument N-44 fails high.
Assuming no operator action, this failure will cause the control rods to insert at
___(1)___ steps per minute automatically for several seconds and then to ___(2)___.
A.
(1) 72 (2) withdraw to the previous position B.
(1) 72 (2) remain in that position C.
(1) 8 (2) withdraw to the previous position D.
(1) 8 (2) remain in that position Page 58 of 100
Question:
(1 point) 59 NAPS 2020 Exam NAP SRO NRC Examination North Anna Power Station Unit 1 was at 100% when an event occurred Current conditions are as follows:
RCS pressure is 20 psig.
Containment pressure is 12 psia
Containment hydrogen concentration is at 2.4%
Both Hydrogen Recombiners have been determined to be inoperable
The TSC staff has determined that the crew should use the Containment Purge Blowers to reduce the hydrogen concentration in containment The purge blower will be aligned to take suction from containment using the ___(1)___
piping and will discharge to ___(2)___.
A.
(1) hydrogen analyzer suction (2) Vent stack B B.
(1) hydrogen analyzer suction (2) containment vacuum pump discharge C.
(1) hydrogen recombiner suction (2) containment vacuum pump discharge D.
(1) hydrogen recombiner suction (2) Vent stack B Page 59 of 100
Question:
(1 point) 60 NAPS 2020 Exam NAP SRO NRC Examination North Anna Power Station Unit 1 was at 100% power when a Reactor trip/Turbine trip occurred.
Following the trip, the output on 1-MS-PT-446, Turbine First Stage Pressure CH III, fails to 50%.
With the steam dumps in Tavg mode, main steam pressure will be controlled at approximately ______ psig.
A.
972 B.
1005 C.
1035 D.
1085 Page 60 of 100
Question:
(1 point) 61 NAPS 2020 Exam NAP SRO NRC Examination North Anna Power Station Given the following conditions:
Unit 2 is at 100% power
A low vacuum turbine trip occurs
A turbine trip/reactor trip occurs
Vacuum continues to degrade following the trip 5 minutes after the reactor trip, Intermediate Range NI Reactor Power will be approximately ___(1)___ amps.
RCS Tave will be expected to stabilize at approximately ___(2)___ °F A.
(1) 8 x 10-11 (2) 547 B.
(1) 8 x 10-11 (2) 551 C.
(1) 5 x 10-8 (2) 547 D.
(1) 5 x 10-8 (2) 551 Page 61 of 100
Question:
(1 point) 62 NAPS 2020 Exam NAP SRO NRC Examination North Anna Power Station Given the following conditions:
The "A" waterbox is being removed from service for leak repairs The operator incorrectly closes 1-VP-4, "A" air ejector suction from "B" waterbox, instead of 1-VP-3, "A" air ejector suction from "A" waterbox CW flow through "A" waterbox is isolated per the MOP.
Which one of the following describes the affect of this lineup on the air ejectors and condenser vacuum?
A.
"A" air ejector ONLY will become steam-bound and vacuum will degrade in ONLY "A" condenser B.
"A" air ejector ONLY will become steam-bound and vacuum will degrade in BOTH "A" and "B" condensers.
C.
B" air ejector ONLY will become steam-bound and vacuum will degrade in ONLY "B" condenser.
D.
"A" and "B" air ejectors will BOTH become steam-bound and vacuum will degrade in BOTH "A" and "B" condensers.
Page 62 of 100
Question:
(1 point) 63 NAPS 2020 Exam NAP SRO NRC Examination North Anna Power Station Unit 1 is operating at 100%
The following indications are noted for Main Feed Pump suction pressure:
At time 1400: 400 psig At time 1430: 380 psig Which one of the following identifies a possible cause for this lower reading?
A.
1-SD-LCV-106A, "A" HP Heater Drain Pump Level Control valve fails OPEN.
B.
1-CN-FCV-107, Condensate Recirculation valve inadvertently opened.
C.
1-CP-HCV-101, Condensate Polisher Bypass valve fails OPEN.
D.
1-CN-95, "Feedwater Heater Bypass Valves" (2nd, 3rd and 4th point FW heaters) inadvertently opened.
Page 63 of 100
Question:
(1 point) 64 NAPS 2020 Exam NAP SRO NRC Examination North Anna Power Station Annunciators K-D2, "Rad Monitor System Hi Rad Level," and K-D4, "Rad Monitor Syst Hi-Hi Rad Level," were received due to high radiation on 1-RM-LW-111, Clarifier Outlet Radiation Monitor.
Which one of the following actions will occur automatically to terminate releases due to this condition?
A.
Low Level Liquid Waste Pumps will trip B.
High Capacity Blowdown inlet Flow Control Valves will close C.
Steam Generator Blowdown pumps will trip D.
Contaminated Drains Tank pumps will trip Page 64 of 100
Question:
(1 point) 65 NAPS 2020 Exam NAP SRO NRC Examination North Anna Power Station Unit 1 is at 20% following a refueling outage Given the following conditions:
1-CW-P-1A,B & C are running 1-CW-P-1D is available and primed The CW pump interlock switches are in the NORMAL position 1-CW-P-1A trips Which ONE of the following will occur A.
1-CW-MOV-101A, A waterbox inlet valve, will close automatically B.
1-CW-P-1D will start automatically C.
Steam dumps will not open due to loss of C-9 D.
1-CW-P-1D cannot be started for 4 minutes Page 65 of 100
Question:
(1 point) 66 NAPS 2020 Exam NAP SRO NRC Examination North Anna Power Station Unit 1 is at 100% power.
Tags are being cleared on 1-SD-P-1A, A High Pressure Heater Drain Pump.
IAW OP-AA-200, Equipment Clearance, which of the choices below correctly completes the following statements?
The ___(1)___ pressure side of the pump shall be unisolated first AND
___(2)___ verification shall be used to clear the electrical tags.
A.
(1) low (2) concurrent B.
(1) high (2) concurrent C.
(1) low (2) independent D.
(1) high (2) independent Page 66 of 100
Question:
(1 point) 67 NAPS 2020 Exam NAP SRO NRC Examination North Anna Power Station The Unit 1 crew is responding to a reactor trip without safety injection using 1-ES-0.1, REACTOR TRIP RESPONSE.
The crew is monitoring the intermediate range nuclear instruments for reset of the P-6 permissive.
Twenty minutes after the reactor trip, intermediate range nuclear instrument readings are as follows:
N-35: 2 X 10-11 amps and slowly decreasing N-36: 8 X 10-9 amps and slowly decreasing Based on the response of the intermediate nuclear instruments, intermediate range nuclear instrument N-36 is ___(1)___ compensated and the source range nuclear instruments should ___(2)___ energized.
A.
(1) over (2) have automatically B.
(1) under (2) be manually C.
(1) under (2) have automatically D.
(1) over (2) be manually Page 67 of 100
Question:
(1 point) 68 NAPS 2020 Exam NAP SRO NRC Examination North Anna Power Station An Operator has been briefed and sent to perform 1-PT-71.2Q, 1-FW-P-3A, Motor Driven AFW and Valve Test.
While placing 1-FW-P-3A in the proper lineup for the test, a typographical error for a valve mark number is discovered.
Which ONE of the following completes the following statement regarding the actions to be performed in accordance with AD-AA-100, Technical Procedure Process Control, to address the issue?
After making a pen and ink change, the Operator ___(1)___ required to have the Unit SRO initial and date the correction before proceeding. The Manager Nuclear Operations ___(2)___ required to approve the change.
A.
(1) is not (2) is B.
(1) is not (2) is not C.
(1) is (2) is not D.
(1) is (2) is Page 68 of 100
Question:
(1 point) 69 NAPS 2020 Exam NAP SRO NRC Examination North Anna Power Station In accordance with OP-AA-106, "Infrequently Conducted or Complex Tests or Evolutions," (ICCE), during the performance of any ICCE the __________ is responsible for the safe operation of the station.
A.
Site Vice President B.
Manager Nuclear Operations C.
Superintendent Shift Operations D.
Shift Manager Page 69 of 100
Question:
(1 point) 70 NAPS 2020 Exam NAP SRO NRC Examination North Anna Power Station Which one of the choices below completes the following statements?
An operator is required to go into an area that has a dose rate of 1100 mr/hr at 30 centimeters from the source, this area would be considered a ___(1)___ area.
Based on the above information, in accordance with PI-AA-500, Verification Practices, Independent Verification (IV) of a Danger Tag ___(2)___ be waived based on radiation levels in this area.
A.
(1) High Radiation (2) can not B.
(1) High Radiation (2) can C.
(1) Locked High Radiation (2) can not D.
(1) Locked High Radiation (2) can Page 70 of 100
Question:
(1 point) 71 NAPS 2020 Exam NAP SRO NRC Examination North Anna Power Station Given the following conditions:
- Unit 1 is at 50% power and ramping up at 0.3%/minute.
- 1-CW-P-ID, D Circulating Water pump, trips.
- The crew enters 1-AP-13, Loss of One or More Circulating Water Pumps.
Which ONE of the following identifies the guidance provided by 1-AP-13 concerning radiological liquid releases?
A.
Inform Health Physics Department of Circulating Water Pumps status, and they will determine if Liquid Waste releases are required to be secured.
B.
Liquid Waste releases must be immediately secured, and Health Physics Department approval must be obtained prior to resuming them.
C.
Inform Chemistry Department of Circulating Water Pumps status, and they will determine if Liquid Waste releases are required to be secured.
D.
Liquid Waste releases must be immediately secured, and Chemistry department approval must be obtained prior to resuming them.
Page 71 of 100
Question:
(1 point) 72 NAPS 2020 Exam NAP SRO NRC Examination North Anna Power Station An operator is scheduled to hang a tag out in a Very High Radiation Area during a refueling outage. The total dose for the task is estimated to exceed his Administrative dose limit.
All of the operators current dose for the year has been received at North Anna.
In accordance with VPAP-2101, Radiation Protection Program, which ONE of the choices below completes the following statements?
The Annual Administrative Whole Body Dose Limit for a Radiation Worker at the workers home site is ___(1)___ rem/calendar year.
Station management can approve an extension up to ___(2)___ rem for this task.
A.
(1) 3 (2) 10 B.
(1) 3 (2) 5 C.
(1) 2 (2) 10 D.
(1) 2 (2) 5 Page 72 of 100
Question:
(1 point) 73 NAPS 2020 Exam NAP SRO NRC Examination North Anna Power Station Unit 1 experienced a reactor trip from 100% power. The following conditions exist.
Operating crew transitioned from 1-E-0, "Reactor Trip or Safety Injection," to 1-ES-0.1
"C" SG Level has continued to increase with AFW secured
All critical safety functions (CSFs) are satisfactory except for a yellow path on heat sink; 1-FR-H.3, "Response to Steam Generator High Level"
PRZR level is 25% and slowly increasing
PRZR pressure is 1950 psig and increasing The unit supervisor calls for a brief and announces his intention to transition to 1-ES-0.0, REDIAGNOSIS. When asked for your concurrence with this decision, you should A.
agree with him; all conditions for 1-ES-0.0 entry are satisfied B.
disagree with him; the crew must transition to 1-FR-H.3 immediately C.
disagree with him; conditions for 1-ES-0.0 entry are not satisfied D.
agree with him; the unit supervisor may transition to 1-ES-0.0 at any time after exiting 1-E-0 Page 73 of 100
Question:
(1 point) 74 NAPS 2020 Exam NAP SRO NRC Examination North Anna Power Station Following a transition from 1-E-0 to 1-E-1 the STA reports the following:
An orange path on core cooling
A red path on containment
An orange path on subcriticality
A red path on integrity Which ONE of the following identifies the procedure that is required to be implemented?
A.
1-FR-P.1 B.
1-FR-C.2 C.
1-FR-Z.1 D.
1-FR-S.1 Page 74 of 100
Question:
(1 point) 75 NAPS 2020 Exam NAP SRO NRC Examination North Anna Power Station A Site Area Emergency has been declared.
The State and Local communicator is preparing a report in accordance with EPIP-2.01, NOTIFICATION OF STATE AND LOCAL GOVERNMENTS, Attachment 1, INSTRUCTIONS FOR COMPLETING REPORT OF EMERGENCY TO STATE AND LOCAL GOVERNMENTS Which ONE of the choices below completes the following statements?
The wind direction is the direction that the wind is ___(1)___.
An average wind direction over the past ___(2)___ minutes should be used.
A.
(1) going toward (2) 15 B.
(1) going toward (2) 60 C.
(1) coming from (2) 15 D.
(1) coming from (2) 60 Page 75 of 100
Referencesprovidedtostudents RO References 1-ECA-1.1, Attachment 3 - Minimum SI Flow Rate Versus Time After Trip 1-SC-5.12 - Refueling Water Storage Tank volume