Results
#1. Unit 2 is at 100% power when the scram air header pressure regulator fails CLOSED. Which of the following would be the FIRST response of the RPS system?
#2. Unit-1 and Unit-2 are at rated power Which one of the following might you expect FIRST as a result of a lowering station air dryer outlet pressure?
#3. Given the following conditions: Unit 2 is at rated conditions. Bus 236X-2 has lost power. Which one of the following sets of Average Power Range Monitors (APRMs) and LPRM Groups would indicate downscale?
#4. Given the following on Unit 1: Reactor is in Mode 5 with the shorting links equipment status tagged and REMOVED. Off-Gas Air Purge is in progress. Which of the following identifies the immediate impact a loss of 24VDC Bus 1B will have on Unit 1?
#5. Unit 2 was at rated conditions when the Unit 2 TSC UPS output failed to zero volts. Which of the following would be expected to occur?
#6. While operating at 100% reactor power; the following alarms were received on Unit 1: Which one of the following is the component of MOST limiting concern?
#7. Given the following: Paralleling of 141Y with the 0 DG is in progress 0 DG is at rated frequency and voltage ACB 2413; 0 DIESEL GEN TO BUS 241Y; indicates open Div 1 Synchroscope indicates at the 12 O Clock position The ACB 1413; 0 DIESEL GEN TO BUS 141Y; sync switch is in OFF. What happens if the ACB 1413; 0 DIESEL GEN TO BUS 141Y; control switch is taken to CLOSE and then NAC?
#8. The following manual actions were performed on the SBGT Train in the following sequence: (1) Inlet Damper OPENED (2) Cooling Fan STARTED (3) Outlet Damper OPENED (4) Primary Fan STARTED What is the earliest point in the sequence of events you would expect the Standby Gas Treatment Electric Heater to energize?
#9. The following conditions exist on Unit 1: Shutdown is in progress. Reactor Power is STEADY on IRM Range 4. Ten seconds after starting to insert the SRMs; from the fully withdrawn position; the RO notices the SRM Period Meter indicates as shown below. Is the SRM response EXPECTED or NOT EXPECTED and why? (Note: Assume the core flux is peaked in the CENTER of the core.)
#10. Unit 1 is operating at 100% of rated thermal power operating on the 100% Flow Control Line All nuclear instruments are operable The C Flow Unit fails to 0% Based on the above conditions; which of the following correctly states the effect on the unit?
#11. Given the following Unit 2 conditions: DBA LOCA occurs on Unit 2 Unit 2 Southeast Corner Room water level is 20 inches above floor level and rising 12 inches/minute Unit 2 RPV water level is at top-of-active fuel and steady Which of the following identifies ALL the ECCS systems that will be injecting into the Unit 2 reactor vessel 10 minutes later?
#12. The Division 1 and 2 batteries are sized to start and carry the normal DC loads; plus all DC loads required for Safe Shutdown; and perform the required switching operations for a minimum of _________ hour(s) following the loss of all AC sources.
#13. The operator has just placed the A RPS MG SET into service IAW LOP-RP-01; Reactor Protection System Startup and Operation. Given the following: 2C71-BS001 2H13-P610 MG SETS TRANSFER SWITCH is in the NORM position. 2C71-S003A Electrical Protection Assembly (EPA) Breaker is CLOSED. 10 seconds later 2C71-S003A EPA Breaker indicates the following due to its high voltage setpoint drifting down: Which of the following indications would you expect to see on the local A RPS MG SET voltage meter?
#14. A normal Unit-1 Shutdown is in progress. The 1A loop of RHR has just been placed into Shutdown Cooling. The following conditions exist: Reactor water level is +45 inches and stable 1A RHR Pump flow is 5000 gpm 1A RR loop flow is 3000 gpm 1B RR loop flow is 3400 gpm RHR Service Water flow to the 1A RHR Heat Exchanger is 8400 gpm In order to raise the 1A RHR cooldown rate; the operator throttled open the 1E12-F053A; A RHR SHTDN CLS RETURN ISOL; until 1A RHR pump flow was 6200 gpm. Which one of the following statements is correct with regards to the above conditions? “
#15. Given the following: 0 DG is running and is the only available power supply to the associated Unit 1 bus. CO2 Trouble Alarm (Zone 419) is received Operators have left the room and report NO Fire but CO2 has initiated (1) What impact would this have on the 0 DG? (2) What actions should be taken FIRST to control those conditions?
#16. Given the following: Unit 2 is at rated conditions. Main Steam Line Flows are matched at 3.7 Mlb/hr. 2A TDRFP speed control fails such that speed is 5800 rpm. (1) Predict the response of Reactor Water Level Control (RWLC) and (2) Select the procedurally required action to mitigate the event.
#17. Given the following conditions: Unit 2 was at rated conditions. Group 1 isolation on Low Condenser Vacuum occurred. RCIC and HPCS are injecting. LPCS is in a normal standby lineup. Reactor Pressure is 1050 psig (highest pressure was 1100 psig). Immediately following the highest pressure reading you are directed to record SRV Tailpipe Temperatures from the 2H13-P614 panel. Which SRV Tailpipe temperatures are reading significantly higher than before the transient?
#18. Unit 1 is operating at 75% power. A Low Pressure Core Spray (LPCS) pump surveillance is in progress with the system maintaining rated flow. The 1E21-F001 Thermal Overload Bypass Switch is in TEST. Which of the following indications will be observed FIRST if the LPCS system receives a high drywell pressure signal with a simultaneous Sudden Pressure signal in the Unit 1 Unit Auxiliary Transformer (UAT)?
#19. Given the following conditions on Unit 1: Reactor water level: -60 inches and STABLE Which of the following Primary Containment Isolation Valve indications is EXPECTED?
#20. LOCA conditions exist in the Drywell: Reactor Pressure is 475 psig and dropping slowly Reactor Water Level is -140 inches and STABLE Drywell Pressure is 0.5 psig and STABLE (Max value reached 2.0 psig) ADS has automatically initiated and 7 valves are OPEN Based solely on the above conditions; what effect would depressing both divisional LOW LEVEL RESET pushbuttons have on the ADS logic?
#21. Given the following conditions: Unit 1 is in MODE 3. The 1A Emergency Diesel Generator is declared INOPERABLE following surveillance testing. Which of the following actions are required to be taken within one (1) hour of determining the Emergency Diesel Generator is INOPERABLE?
#22. While operating at 100% power you receive the following annunciators ONLY: Predict the impact on HPCS. HPCS will …
#23. A manufacturing defect resulted in a flow path between the outer tube of the SBLC injection line and the bottom head area. Which of the following describes the consequences of this failure?
#24. Given the following indication while shutting down Unit 1: (1) What is the indication for SRM B as compared to the other 3 SRMs? (2) What action must the Reactor Operator take per procedure?
#25. Per LSCS UFSAR RCIC is designed …
#26. Unit 1 is starting up IAW LGP 1-1; NORMAL UNIT STARTUP REACTOR MODE SWITCH is in STARTUP. Select the one statement that describes a condition in which the Intermediate Range Monitor (IRM) detector(s) is(are) functioning properly.
#27. The plant is at 93% thermal power. Using the drawing provided; identify how the SIGNAL VALUES at the points marked A and B would change if one Safety Relief Valve were to FAIL OPEN in this situation.
I cannot find the drawing that was provided with this question
#28. Given the following conditions: 1A and 1B FC pumps are running for Fuel Pool Cooling 1B RHR is running in Fuel Pool Cooling Assist Which of the following power supplies; if LOST; would have the greatest impact on Fuel Pool Cooling?
#29. The Unit 1 NSO is withdrawing control rod 18-43 from position 00 to position 08 for a sequence exchange. The control rod settles at position 12. Which ONE of the following best describes the effects of the control rod movement? The control rod will have the MOST significant effect on (1) ; and will be indicated PRIMARILY on (2) .
#30. Given the following conditions: The Unit-1 Standby Gas Treatment System (SBGT) is in operation to support an ongoing surveillance. An event occurs on the refuel floor that causes 0D21-K604A Refuel Floor High Range ARM to exceed its respective trip setpoint. The following events then occur: 12:00 – The U1 Standby Gas Treatment fan breaker trips 12:05 – A low flow condition exist on Unit 1 SBGT train 12:10 – A second refuel floor ARM exceeds its trip setpoint 12:15 – Reactor Building Ventilation (VR) exhaust PRMs reach their trip setpoint Based on these conditions; what is the earliest time that the Unit-2 SBGT would automatically start?
#31. If elevated drywell temperatures were to cause the reference leg of the Wide Range Level instrument to flash to steam; and actual level was 10 inches; what would you expect the Wide Range Level instrument to indicate in the Control Room?
#32. Unit 2 is shutting down. The RR pumps LFMG Set Drive Motor Breakers 1A and 1B have been closed in preparation for downshifting both pumps. The NSO takes Reactor Recirc Motor Breakers 3A and 3B to Transfer MG position. When the Reactor Recirc Motor Breakers 3A and 3B are taken to Transfer MG the LFMG Set Drive Motor Breaker 1A also trips OPEN. What will be the status of the RR pumps sixty (60) seconds later? 2A RR Pump 2B RR Pump
#33. Given the following: Unit 1 is running at rated conditions 1A Primary Containment Cooling (VP) Chiller running 1A Primary Containment Cooling (VP) Chill Water pump trips The operator immediately starts 1B Primary Containment Cooling (VP) Chill Water pump and the 1B Drywell Cooler Supply Fan. (1) What is the maximum expected cooling provided by the Primary Containment Cooling? (2) What is the expected Primary Containment pressure response?
#34. Unit 1 is at rated power with the 1A CRD Pump online and the following indications: The required action is to……
#35. Unit 1 is at rated power when the operator observes the following: Which of the following is the cause of these indication for the four control rods in the red box?
#36. Unit 1 is at rated power. The following indications are observed: An Equipment Operator reports that the breaker for the 1B21-F418A; MS TO AS LOADS SUPPLY ISOL VLV; is tripped and will NOT reset. Which of the following is the impact of the valve being de-energized?
#37. Both Units are operating at rated conditions. FP is in a normal lineup. Fire system checks are being performed at the Lake Screen House. POINT 1 POINT 2 TIME PRESSURE PRESSURE 10:05 195 psig 175 psig 10:10 lowers to 140 psig lowers to 110 psig 10:15 lowers to 115 psig lowers to 85 psig 10:20 raises to 150 psig raises to 120 psig 10:25 raises to 195 psig raises to 175 psig Predict the automatic start and stop times of the Fire Protection Intermediate Jockey Pump. START STOP
#38. During performance of the shiftly surveillance on Unit 2; MCPR is discovered to have decreased from a value of 1.21 to 1.09. (1) Based on this information you can conclude that the number of fuel clad failures will … (2) What is the maximum time you have to complete the required Tech Spec actions?
#39. What are the operational implications of RPS having a built in time delay of 10 seconds before allowing a SCRAM to be manually reset?
#40. Given the following Unit 2 conditions: – Reactor is in Hot Shutdown – All electrical power being supplied from the System Auxiliary Transformer (SAT) -The SAT trips for unknown reasons. – There were no bus fault alarms activated Assuming NO OPERATOR ACTIONs are taken; predict the status of the following buses 30 seconds after a trip of the SAT. Bus 236X | Bus 237Y
#41. Unit 1 is at rated conditions Safety Relief Valve; 1B21-F013K; has inadvertently opened due to a failed ‘B’ solenoid during normal full power operation. Which of the following identifies the expected indications available to the operator when this event occurs? 1B21-R614A; Tail Pipe 1H13-P601 Valve Temperature Recorder Position Indication
#42. Given the following indications: AND TRACOR Point 3; 1A COOLER RETURN; indicates 135°F TRACOR Point 4; 1B COOLER RETURN; indicates 115°F Which of the following High Drywell temperature alarms; if any; are in? (1) 1PM13J-A503; SUP CHBR AIR PRESS HI/DW AIR TEMP HI (2) 1PM13J-B503; SUP CHBR AIR PRESS HI/DW AIR TEMP HI
#43. Given the following: 2A RHR is in Shutdown Cooling with a flow of 6200 gpm. 2E12-F047A; ‘A’ RHR HX INLET VLV; is OPEN. 2E12-F003A; ‘A’ RHR HX OUTLET VLV; is OPEN. 2E12-F048A; ‘A’ RHR HX BYPASS VLV; is OPEN Reactor water level is +45 inches on the Shutdown Range. No RR pumps are running. 2B33-F023A; RR PMP SUCT VLV; is OPEN. 2B33-F067A; RR PMP DSCH VLV; is CLOSED. Which of the following by itself would result in a loss of Shutdown Cooling due to inadequate reactor recirculation flow?
#44. Using the attached REFERENCE: Unit ONE was operating at 65% power and 67 Mlb/hr core flow. A transient occurred; resulting in the following: 1A Reactor Recirc Pump shaft sheared. APRMs indicate Reactor Power at 45%. Core Flow indicates 37 Mlb/hr. 1H13-P603-A408 OPRM TRIP ENABLE did NOT alarm AND 1H13-P603-A109 OPRM HI is in SOLID. What are the required operator actions?
#45. Unit 1 was operating at rated conditions when a grid disturbance resulted in lowering frequency on the Main Generator. Plant conditions stabilize and the following conditions exist: LOR-0PM12J-B407; 345 KV SYSTEM FREQUENCY LO; is in alarm. Generator frequency is steady at 58.3 Hz The Unit 1 CRS directs operators to Manually Scram and verify Main Turbine Trips. This direction is&
#46. LGA-005; RPV Flooding; specifies actions that use steam cooling method of heat transfer to (1) that the reactor core remains adequately cooled under conditions when (2) source of ECCS injection into the RPV is permitted.
#47. When fighting a fire on site with a failure of both Diesel Fire Pumps: LOA-FP-101; Unit-1 Fire Protection System Abnormal; directs you to SHUTDOWN or SCRAM the reactor if a minimum fire header pressure; indicated on 1PM10J; of at least (1) CANNOT be maintained; because Service Water may have to be diverted to the fire protection header in order to ensure minimum required pressure is available for fighting fires (2) .
#48. Which of the following is directed to be monitored per LOA-WR-101; Loss of Reactor Building Closed Cooling Water RBCCW during reduced cooling capacity conditions in the RBCCW system?
This question was deleted following exam review
#49. With the reactor operating at 50% power; the Main Turbine Trips due to low EHC pressure. Which one of the following describes the initial expected Reactor Recirculation (RR) pump response to this event?
#50. The following conditions exist 15 minutes following a loss of offsite power. Reactor Pressure is at 750 psig LOWERING Reactor Level is -125 in. and STABLE Suppression Pool Level is -9 ft. STABLE Drywell pressure is 3 psig RISING Suppression Chamber pressure is 0 psig RISING Division 3 EDG is tripped. RCIC ______(1)_____ because _____(2)______
#51. A TRIP of which of the following breakers would eventually result in a loss of DC control power to Unit 1 RCIC?
#52. While operating at 100% power on both Units you receive the following annunciators: Instrument air header pressure reads 50 psig. Which one of the following describes the expected position of the listed Unit 1 valves? (without operator action)
#53. Which one of the following meets the criteria of a fuel handling accident?
#54. Given the following indications: Unit 1 has an ATWS. SPDS Reactor Power Bar indicates CYAN/BLUE. Based on the SPDS indication alone Reactor power is ..
#55. Unit 1 is at 100% power. The Off Gas 1N62-F042 (Charcoal Adsorber Train Inlet) is CLOSED and the Adsorber Train Inlet Valve Switch is in BYPASS due to Off Gas Reheater temperature approaching adsorber temperature. The following are observed: 1N62-P600-B207 OFF GAS POST-TRMNT RAD HI OG POST TRTMT Monitor; 1D18-R601; indicates 104cps and rising at 103cps/minute Which one of the following is expected to occur NEXT?
#56. Which one of the following statements regarding the interlocks and automatic functions for 1B Residual Heat Removal (RHR) is true when the Remote Shutdown Transfer Switches are placed in EMERGENCY?
#57. Unit 1 has scrammed and the crew has entered LGA-003 on High Drywell pressure. The Unit Supervisor has directed you to perform LGA-VQ-02; Emergency Containment Vent. The purpose of this action is to maintain containment pressure below the…..
#58. Given the following conditions: Suppression Pool temperature is 100°F and rising. Suppression Pool water level of -4 ft. and stable. Which of the following would provide accurate Suppression Pool temperature to determine LGA-003; PRIMARY CONTAINMENT CONTROL; re-entry requirements? (1) Average Suppression Pool Temperature recorders TR-CM037A/38A. (2) PPC computer points L122 and L123 SUPP POOL WATER TEMP NE/SW. (3) PPC computer points A944 and A918 SP WTR BULK TEMP DIV 1/2. (4) Bulk Average Temperature as read from the NUMAC UY-CM037/38.
#59. Given the following conditions: Fuel Pool moves are in progress in preparation for Unit 2 outage. 2PM01J-B304; DIV 2 125V DC 212X/Y BUS FEED BKR AUTO TRIP is in alarm. R0989; 125VDC Pnl 212Y Mn Fd Bkr Trip is up on SER. A loss of the Unit 2 SAT due to a lightning strike has occurred. As the Unit 1 RO you report that: 1H13-P601-F205 DIV 1 FUEL POOL RAD HI-HI is in alarm. 1H13-P601-E205 DIV 2 FUEL POOL RAD HI-HI is in alarm. No Operator actions have been taken. Which of the following lists the SBGT response and release monitoring ability fifteen minutes later?
#60. With Unit 2 at rated power; a large LOCA occurred in which fuel became temporarily uncovered. LGA-001 and LGA-003 have been entered. 20 Minutes after operators started the Post-LOCA H2/O2 monitoring system; the following readings are taken: Drywell O2 concentration is 0.5% by volume and stable. Drywell H2 concentration is 1% by volume and rising slowly. 1) Would these Post-LOCA H2/O2 monitoring system readings be RELIABLE or would they still NEED MORE TIME to warm up and stabilize? 2) Based souley on the H2/O2 content; for these post-LOCA conditions; would operation of the H2 Recombiners per LGA-HG-101 be DESIRABLE or NOT DESIRABLE?
#61. With Unit-1 in Shutdown Cooling on 1A RHR; the following valves close and 1A RHR pump trips: 1E12-F053A; 1A RHR Shutdown Cooling Return Isolation 1E12-F008; RHR Shutdown Cooling Suction Header Outboard Isolation 1E12-F009; RHR Shutdown Cooling Suction Header Inboard Isolation Determine which one of the following caused the above conditions to occur and why?
#62. Given the following plant conditions: After a scram one Control Rod is at position 48 ARI was initiated 10 minutes ago One CRD pump is running All scram valves indicate open The RPS EPMAs have tripped and will NOT reset Reactor pressure is greater than 920 psig Based on the above conditions; the operator assigned to complete the scram actions should NEXT attempt to insert the remaining control rod using which one of the following?
#63. Given the following conditions on Unit 1: At 1500: Scram occurred and all rods are in. Group 2 isolation occurred. WS Header pressure reads 50 psig. The following annunciators occur at the TIME specified: 1600 1H13-P601-B401; RBCCW RAD HI; is in alarm 1605 1H13-P601-B301; SERV WTR EFFLUENT RAD HI; is in alarm Based on the above conditions; which of the following components is the source of the HI RAD alarms?
#64. Using the attached reference and given the following: Unit 1 VR Radiation Monitors are reading 15 mr/hr. LGA-VQ-02; EMERGENCY CONTAINMENT VENT; is in progress on Unit 1 to allow for Low Pressure injection. Unit 1 VG is running. Unit 2 VG has been shutdown to ensure isokinetic flow. The operator notices that Reactor Building d/p indication is reading 0 WC. In accordance with procedures; the operator should use which of the following to make Reactor Building d/p more negative?
#65. LGA-003; Primary Containment Control; requires drywell sprays to be terminated if suppression pool water level exceeds 722 feet. What is the impact of continued operation of drywell sprays with suppression pool water level in excess of 722 feet?
#66. Unit-1 and Unit-2 are both operating in Mode 1 with no equipment out of service. A valving error caused Fire Protection Header Pressure to drop to 116 psig for 30 seconds. Based on the above event; the control room NSOs should verify proper operation of the Diesel Fire Pumps (DFPs) by observing on …
#67. A Unit startup is in progress with the following conditions: The reactor is critical; below the point of adding heat The reactor is on an infinite period Reactor power is on the Intermediate Range Monitors (IRMs) Range 2 The unit NSO withdraws several control rods per the sequence package and takes the following readings to determine reactor period: Initial power 20 on IRM Range 2 Final power 40 on IRM Range 2 Time to change from initial to final power was 30 seconds. Based on the above information and calculated reactor period; the SRM SHORT PERIOD annunciator _____(1)______ be alarming; and the unit NSO _____(2)_____.
#68. Which of the following switch modifications on Unit 1 does NOT exist on Unit 2?
#69. The Unit is at 4% power during a startup. Rod 26-35 is stuck at notch position 08. The rod can NOT be driven in or out despite multiple attempts. What is the NEXT required Technical Specification action?
#70. An Equipment Operator is to perform a clearance that requires independent verification. Which ONE of the following components could be eligible for an independent verification waiver? A Danger tag to be hung on the…
#71. You are an extra NSO directed to verify a single Reactor Water Clean-up (RT) valve’s position. Your Electronic Dosimeter (ED) alarms on dose rate immediately after entering the RT Pump room. The Electronic Dosimeter indicated dose rate is LESS than that stated on the applicable RWP. You are required to…
#72. During an annunciator test on 1PM13J the annunciators FAIL to test. Per LOA-AN-101; LOSS OF ANNUNCIATORS; annunciators at which of the following panels should be checked NEXT?
#73. Assuming a primary system is discharging into the reactor building and all rods are fully inserted; which of the following conditions above Maximum Safe Values would require an RPV Blowdown?
#74. Unit 1 is at rated conditions with TIP traces in progress. TIP area is posted and verified clear. B’ TIP has just completed a trace and has been returned to the shield. ‘A’ TIP is at position 0001. The 1H13-P601-B211; RB TIP ROOM RAD HI/DOWNSCALE; has come in and is verified to be HI. Which of the following is the NEXT expected action(s) for the operator running the TIP trace?
This question was deleted following exam review