ML16196A049

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Initial Examination 2016-301 Final RO Written Exam - Delay Release
ML16196A049
Person / Time
Site: Oconee  Duke Energy icon.png
Issue date: 07/14/2016
From:
Duke Energy Corp, NRC/RGN-II/DRS/OLB
To:
References
Download: ML16196A049 (81)
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Text

ES-401 Site-Specific RO Written Examination Form ES4OI-7 Cover Sheet U. S. Nuclear Regulatory Commission Site-Specific RO Written Examination Applicant Information Name:

Date: Facility I Unit Region: I El ii [] lii [1 IV El Reactor Type: wE CELl BW LI GE LI 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 80.00 percent. Examination papers will be collected 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> after the examination begins Applicant Certification All work done on this examination is my own. I have neither given nor received aid.

Applicants Signature Results Examination Value Points Applicants Score Points Applicants Grade Percent ES-401, Page 47 of 50

Oconee Nuclear Station ILT 16-1 ONS RO NRC Examination Question: 1 (1 point)

Given the following Unit 2 conditions:

Initial conditions:

  • Reactor power = 100%
  • 2TA and 2TB lockout Current conditions:
  • Reactor power =2% decreasing
  • The Diverse Scram System (DSS) did NOT actuate The EOP directs the operator to _(1 ) AND the reason for this action is to _(2)_.

Which ONE of the following completes the statement above?

A. 1. open 600V CRD breakers

2. ensure reactor power is within the heat removal capacity of natural circulation B. 1. open 600V CRD breakers
2. achieve a shutdown margin of at least 1% zKIK C. 1. Open 2HP-24 and 2HP-25
2. ensure adequate RCS inventory during the subsequent RCS cooldown D. 1. Open2HP-24and2HP-25
2. achieve a shutdown margin of at least 1 % zK/K Page 1 of 75

Oconee Nuclear Station ILT 16-1 ONS RO NRC Examination Question: 2 (1 point)

Given the following Unit 1 conditions:

Initial conditions:

  • Reactor power = 100%

Current conditions:

  • Reactor power = 95% decreasing
  • 1 RC-1, (Pzr Spray) indicates open
  • 1 RC-66, (PORV) indicates open
  • Pzr level = 255 inches increasing
  • RCS Wide Range pressure = 2190 psig decreasing
  • 1 SA-1 8/A-i, (Pressurizer Relief Valve Flow) is locked in
  • 6 LED lights are illuminated for 1 RC-66 on the Pressurizer Relief Valve Flow Monitor
1) In accordance with the Immediate Manual Actions of AP/1/A/1700/044, (Abnormal Pressurizer Pressure Control) _(1 )_ is required to be closed at this time.
2) This transient could have been caused by the failure of a median selected controlling narrow range RCS pressure signal being supplied from RPS Channel (2).

Which ONE of the following completes the statements above?

A. 1. ONLY 1RC-4

2. E B. 1. ONLY YRC-4 2.C C. 1. 1 RC-1, 1 RC-3 and 1 RC-4
2. E D. 1. 1RC-1, 1RC-3and 1RC-4 2.C Page 2 of 75

Oconee Nuclear Station ILT 16-1 ON$ RO NRC Examination Question: 3 (1 point)

Given the following Unit 3 conditions:

  • Small Break LOCA has occurred
  • Rule 2, (Loss of SCM) in progress
  • Cooldown rate = 65°F per 1/2 hour In accordance with Rule 2...
1) SG levels are being increased to _(1)_.
2) EFDW flow (2).

Which ONE of the following completes the statements above?

A. 1. ensure secondary inventory available for heat transfer if SG feed is lost

2. should be stopped until cooldown rate is in compliance with Tech Spec limits B. 1. ensure secondary inventory available for heat transfer if SG feed is lost
2. will be throttled in an effort to comply with Tech Spec limits but SG levels must continue to increase C. 1. ensure boiler-condenser heat transfer is established
2. should be stopped until cooldown rate is in compliance with Tech Spec limits D. 1. ensure boiler-condenser heat transfer is established
2. will be throttled in an effort to comply with Tech Spec limits but SG levels must continue to increase Page 3 of 75

Oconee Nuclear Station ILT 16-1 ONS RO NRC Examination Question: 4 (1 point)

Given the following Unit 2 conditions:

0800:

  • Reactor power = 100%

0802:

  • RCS pressure = 1500 psig decreasing
  • RB pressure = 2.5 psig increasing 0805:
  • RCS pressure = 600 psig decreasing
  • RB pressure = 3.5 psig increasing
1) _(1 )_ is the earliest time stated that the LPI pumps will have received a start signal from the ES system.
2) When the start signal is received, _(2)_ LPI pumps will start.

Which ONE of the following completes the statements above?

A. 1. 0802

2. ONLYtwo B. 1. 0802
2. Three C. 1. 0805
2. ONLY two D. 1. 0805
2. Three Page 4 of 75

Oconee Nuclear Station ILT 16-1 ONS RO NRC Examination Question: 5 (1 point)

Given the following Unit 1 conditions:

Initial conditions:

  • Reactor power = 100%

Current conditions:

  • 1 HP-120 air line becomes detached from the actuator
1) Pzr level will _(1)_.
2) In accordance with AP/1 IA/i 700/014, (Loss of Letdown and/or Makeup) _(2) will initially be used to control Pzr level.

Which ONE of the following completes the statements above?

A. 1. increase

2. 1HP-26 B. 1. increase
2. 1HP-122 C. 1. decrease
2. 1HP-26 D. 1. decrease
2. 1HP-122 Page 5 of 75

Oconee Nuclear Station ILT 16-1 ON$ RO NRC Examination Question: 6 (1 point)

Given the following Unit 1 conditions:

Initial conditions:

  • Loss of offsite power occurs
  • Power is restored via CT-4
  • 1A and 1 B LPI pumps NOT available Manual reset of Load Shed is _(1)_ and starting of 1 C LPI pump is allowed after a MINIMUM of _f2)_ seconds.

Which ONE of the following completes the statement above describing the requirements to start the 1 C LPI pump to restore decay heat removal?

A. 1. NOT required

2. 5 B. 1. required
2. 5 C. 1. NOT required
2. 10 D. 1. required
2. 10 Page 6 of 75

Oconee Nuclear Station ILT 16-1 ONS RO NRC Examination Question: 7 (1 point)

Given the following Unit 3 conditions:

  • Total RCP seal injection flow = 0 gpm
  • Running Component Cooling pump tripped
  • Standby Component Cooling pump did NOT start Which ONE of the following describes the procedure that will be directed FIRST by the CRS and why?

Initiate...

A. AP/20, (Loss of CC) to restore Component Cooling B. AP/20, (Loss of CC) to ensure letdown is isolated C. A P/25, (SSF EOP) to align an alternate letdown flowpath D. AP/25, (SSF EOP) to align an alternate source of seal injection Page 7 of 75

Oconee Nuclear Station ILT 16-1 ONS RO NRC Examination Question: 8 (1 point)

Given the following Unit 3 conditions:

Initial conditions:

  • Time =0600
  • Rule 1, (ATWS / Unanticipated Nuclear Power Production) has been initiated Current conditions:
  • Time = 0603
  • RCS pressure is 2455 psig increasing
1) In accordance with Rule 1, an operator will be dispatched to open the Unit 3 CRD 600V normal power supply breaker at 3X9 and alternate 600V power supply breaker at(1)_.
2) Based on the current conditions, DSS _(2) de-energize Control Rod Groups 1-7.

Which ONE of the following completes the statements above?

A. 1. 1X1

2. will B. 1. 2X2
2. will C. 1. 1X1
2. will NOT D. 1. 2X2
2. will NOT Page 8 of 75

Oconee Nuclear Station ILT 16-1 ONS RO NRC Examination Question: 9 (1 point)

Given the following Unit 1 conditions:

Time = 0800:

  • Reactor power = 100%
  • Reactor is tripped
  • SGTR tab is entered Time = 0815:
  • RCS temperature = 550°F
  • Crew is ready to perform the initial RCS cooldown
1) RCS cooldown will be initiated by establishing a SG pressure of _(1)_ psig.
2) While performing this cooldown, the cooldown rate is limited _(2)_.

Which ONE of the following completes the statements above?

A. 1. 710720

2. to5O°Fper1/2hr B. 1. 710720
2. only by the ability to maintain Pzr level> 100 inches [180 accJ C. 1. 835845
2. to5O°Fper1/2hr D. 1. 835845
2. only by the ability to maintain Pzr level> 100 inches [180 accJ Page 9 of 75

Oconee Nuclear Station ILT 16-1 ONS RO NRC Examination Question: 10 (1 point)

Given the following Unit 2 conditions:

1) (1)_ Feedwater pumps will be supplying the SGs.
2) SG level control setpoint will be f2)_.

Which ONE of the following completes the statements above?

A. 1. Main

2. 25 inches SUR B. 1. Emergency
2. 30 inches XSUR C. 1. Main
2. 50% OR D. 1. Emergency
2. 240 inches XSUR Page 10 of 75

Oconee Nuclear Station ILT 16-1 ONS RO NRC Examination Question: 11 (1 point)

Given the following plant conditions:

  • Loss of offsite power occurs
  • Station Blackout in progress The Blackout tab directs an _(1)_ to perform EOP End. 5.32, (Load Shed of lnverters During SBO) which will result in the removal of (2)_ loads.

Which ONE of the following completes the statement above?

A. 1.AO

2. essential B. 1.AO
2. vital C. 1.RO
2. essential D. 1.RO
2. vital Page 11 of 75

Oconee Nuclear Station ILT 16-1 ON$ RO NRC Examination Question: 12 (1 point)

Given the following Unit 1 conditions:

  • Reactor power = 100%
  • OAC Computer Out of Service
  • 1 KVIC de-energized Based on the above conditions, which ONE of the following describes the instrumentation used to determine axial imbalance in accordance with OP/1/N1105/014, (Control Room Instrumentation Operation And Information)?

A. Incore Detectors B. Outcore Detectors C. Backup lncore Detectors D. Imbalance readout indications in RPS cabinets Page 12 of 75

Oconee Nuclear Station ILT 16-1 ONS RO NRC Examination Question: 13 (1 point)

Given the following Unit 1 conditions:

  • Reactor power = 100%
  • 1 SA-04/E-6, (125 Volt Ground Trouble) actuates
1) 1 SA-04/E-6, ARG directs the Operator to (1)_ to determine if the ground is on the Battery or the Bus.
2) 1 SA-04/E-6 actuating indicates that the ground _(2)_.

Which ONE of the following completes the statements above?

A. 1. rotate the Ground Relay Selector Switch

2. is located on Unit 1 ONLY B. 1. rotate the Ground Relay Selector Switch
2. could be on any Unit C. 1. isolate the Battery from the Bus
2. is located on Unit 1 ONLY D. 1. isolate the Battery from the Bus
2. could be on any Unit Page 13 of 75

Oconee Nuclear Station ILT 16-1 ONS RO NRC Examination Question: 14 (1 point)

Given the following Unit 1 conditions:

  • Reactor power = 72%
  • 1 LPSW-6, (UNIT 1 RCP COOLERS SUPPLY) fails closed
1) In accordance with AP/1/N1700/016, (Abnormal Reactor Coolant Pump Operation),

the RCP Motor Stator MINIMUM temperature f°F) that would require immediately tripping the RCP is .(1 ).

2) If the RCP immediate trip criteria is met, AP/1 6 _(2) require the Reactor to be manually tripped prior to securing the RCP.

Which ONE of the following completes the statements above?

A. 1. 260°F

2. does B. 1. 300°F
2. does C. 1. 260°F
2. does NOT D. 1. 300°F
2. does NOT Page 14 of 75

Oconee Nuclear Station ILT 16-1 ONS RO NRC Examination Question: 15 (1 point)

Given the following Unit 1 conditions:

  • Reactor power = 100%
  • Instrument Air pressure = 85 psig decreasing
  • AP/11N1700/022, (Loss of Instrument Air) has been initiated
1) In accordance with AP/22, the highest Instrument Air pressure that would require an immediate manual Reactor trip is _(1 )_ psig.
2) The reason AP/22 directs tripping the Main FDW pumps immediately after tripping the Reactor is (2)_.

Which ONE of the following completes the statements above?

A. 1.70

2. Controlling FDW valves fail as is B. 1.65
2. Controlling FDW valves fail as is C. 1.70
2. Controlling FDW valves fail closed D. 1.65
2. Controlling FDW valves fail closed Page 15 of 75

Oconee Nuclear Station ILT 16-1 ONS RO NRC Examination Question: 16 (1 point)

Given the following Unit 1 conditions:

Time = 0400:

  • Reactor power = 35% stable
  • SA-1 6/0-1, (230 KV Swyd Isolate ES Permit) actuated
  • 230 KV Yellow Bus voltage = 224.2 KV increasing Time = 0401:
  • AP/1/N1700/034, (Degraded Grid) in progress
  • 230 KV Yellow Bus voltage = 226.8 KV increasing
  • RCS pressure = 1345 psig decreasing
  • RB pressure = 2.6 psig increasing
1) At Time = 0401, ES Channels (1 )_ have actuated.
2) At Time = 0402, Unit ls MFB5 will be energized from _(2).

Which ONE of the following completes the statements above?

A. 1. land2ONLY

2. CT-i B. 1. 1 through 6
2. CT-i C. 1. land2ONLY
2. CT-4 D. 1. 1 through 6
2. CT-4 Page 16 of 75

Oconee Nuclear Station ILT 16-1 ONS RO NRC Examination Question: 17 (1 point)

Given the following Unit 2 conditions:

  • Loss of all sources of Feedwater has occurred
  • RCS pressure = 2250 psig increasing
  • Pressurizer level = 294 inches increasing
  • ALL SCMs = 24°F slowly decreasing
1) The lowest RCS pressure that will require Rule 4, (Initiation of HPI Forced Cooling) to be performed is _(1)_ psig.
2) The PRIMARY reason for reducing the number of operating RCPs in accordance with Rule 4 is to reduce _(2)_.

Which ONE of the following completes the statements above?

A. 1. 2300

2. heat input B. 1. 2300
2. inventory loss C. 1. 2255
2. heat input D. 1. 2255
2. inventory loss Page 17 of 75

Oconee Nuclear Station ILT 16-1 ON$ RO NRC Examination Question: 18 (1 point)

Given the following Unit 3 conditions:

lime = 0800:

  • Reactor power = 100%
  • TD EFDWpump is operating in RUN for testing
  • MS pressure = 885 psig decreasing Time = 0801:
  • MS pressure = 700 psig decreasing Time = 0802:
  • MS pressure = 500 psig decreasing
1) At lime = 0801, 3SA-2/D-8, (AFIS HEADER B INITIATED) will be 1)_.
2) At Time = 0802, the TD EFDW pump (2) be operating.

Which ONE of the following completes the statements above?

ASSUME NO OPERATOR ACTION A. 1. dark

2. will B. 1. dark
2. will NOT C. 1. lit
2. will D. 1. lit
2. will NOT Page 18 of 75

Oconee Nuclear Station ILT 16-1 ON$ RO NRC Examination Question: 19 (1 point)

Given the following Unit 1 conditions:

Time = 0400:

  • Reactor is tripped
  • 1A1 RCP was previously secured due to high vibrations
  • RCS pressure = 2155 psig stable
  • 1 B SG pressure = 1010 psig stable Time = 0500:
  • RCS pressure = 2136 psig stable
  • 1 B SG pressure = 948 psig stable
  • Pzr spray nozzle delta T = 420° F
1) At time = 0500, the 1 B SG leak rate is (1) than the leak rate at Time = 0400.
2) In accordance with the SGTR tab, Auxiliary Pressurizer Spray _(2) be utilized to decrease SCM.

Which ONE of the following completes the statements above?

A. 1. less

2. can B. 1. less
2. can NOT C. 1. greater
2. can D. 1. greater
2. can NOT Page 19 of 75

Oconee Nuclear Station ILT 16-1 ONS RO NRC Examination Question: 20 (1 point)

Given the following Unit 1 conditions:

Initial conditions:

  • Reactor power = 700%
  • Reactor Building Normal Sump (RBNS) is being pumped Current conditions:
  • Leak develops on discharge of 1A RBNS pump
1) 1 RIA-1 5 (1) have a local audible alarm.
2) 1 RIA-1 5 alarm _(2)_ actuate an interlock.

Which ONE of the following completes the statements above?

A. 1. does

2. will B. 1. does
2. will NOT C. 1. does NOT
2. will D. 1. does NOT
2. will NOT Page 20 of 75

Oconee Nuclear Station ILT 16-1 ONS RO NRC Examination Question: 21 (1 point)

Given the following Unit 1 conditions:

Initial conditions:

  • Reactor power = 100%
  • Fire in Unit 1 Cable Room
  • AP/1/N1700/050, (Challenging Plant Fire) has been initiated Current conditions:
  • AP/50 Section 4G, (Unit 1 Control Room Evacuation) directs the OATC to perform End 5.5, (OATC Actions for Control Room Evacuation)
1) AP/50 End 5.5 will direct the OATC to take _(1 ).
2) The reason the above action is taken is to (2)_.

Which ONE of the following completes the statements above?

A. 1. 1 FDW-31 5 and 1 FDW-31 6 to MANUAL and close

2. ensure EFDW flow to the SGs can be controlled from the ASD Panel B. 1. 1 FDW-31 5 and 1 FDW-31 6 to MANUAL and close
2. prevent spurious operation of 1 FDW-31 5 and 1 FDW-31 6 due to fire damage C. 1. 1A and 1 B TBVs to HAND and control SG pressure from the ADVs
2. ensure natural circulation develops when the RCPs are secured D. 1. 1A and 1 B TBVs to HAND and control SG pressure from the ADVs
2. maximize SG inventory prior to losing secondary pumps due to the fire Page 21 of 75

Oconee Nuclear Station ILT 16-1 ONS RO NRC Examination Question: 22 (1 point)

Given the following Unit 1 conditions:

  • Small Break LOCA has occurred
  • ICC tab is in progress
  • RCS pressure = 700 psig
  • SG pressure = 850 psig
  • SG level = 50 inches XSUR increasing SGs are depressurized in order to establish primary to secondary heat transfer.

Which ONE of the following completes the statement above?

A. to establish Tsat 40-60°F < CETC B. to establish Tsat 90-110°F < CETC C. to approximately 500 psig D. completely Page 22 of 75

Oconee Nuclear Station ILT 16-1 ONS RO NRC Examination Question: 23 (1 point)

LOAD

,____R UNOACKS_____\ LIMITS QQQ Q.Q 1 I Note: Drawing not representative of actual plant conditions.

Given the following Unit 2 conditions:

Time = 0400:

  • Reactor power = 100% decreasing
  • Reactor power = 68% decreasing
1) At 0400, the power to which the ICS is running the plant back is displayed in the

_(1)_ window. (refer to the drawing above)

2) After the RCP trips, the unit _(2) automatically stabilize at the allowable Reactor power for plant conditions.

Which ONE of the following completes the statements above?

A. 1. upper

2. will B. 1. upper
2. will NOT C. 1. lower
2. will D. 1. lower
2. will NOT Page 23 of 75

Oconee Nuclear Station ILT 16-1 ONS RO NRC Examination Question: 24 (1 point)

Given the following Unit 1 conditions:

Time = 0800:

  • Reactor startup in progress following a refueling outage
  • Reactor power = 50%

Time =0801:

  • Subsequent Actions tab is in progress Time = 0802:
  • 1A and 1 B SG pressure = 885 psig stable
  • Main Condenser Vacuum = 9 inches Hg stable In accordance with the Subsequent Actions tab, SG pressure will be increased to the desired pressure using _(1)_ in order to prevent potential _(2).

Which ONE of the following completes the statement above?

A. 1. TBVs

2. ES actuation due to low RCS pressure B. 1. TBVs
2. restart due to positive reactivity added by the cooldown C. 1. ADVs
2. ES actuation due to low RCS pressure D. 1. ADVs
2. restart due to positive reactivity added by the cooldown Page 24 of 75

Oconee Nuclear Station ILT 16-1 ONS RO NRC Examination Question: 25 (1 point)

Given the following Unit 3 conditions:

Time = 0800:

  • Reactor power = 100%
  • 3A HPI pump operating Time = 0801:
  • Chlorine gas is entering the Control Room
  • The CRS has implemented AP/3/A/1 700/008, (Loss of Control Room)
  • No actions were taken prior to evacuating the Control Room
  • The Unit 3 Auxiliary Shutdown Panel, (ASP) has been manned Time = 0810:
  • RCS pressure = 2205 psig
1) 3HP-24, (3A HPI BWST SUCTION) will be opened _(1 )_.
2) AP/8 directs reducing RCS pressure by _(2) from the ASP.

Which ONE of the following completes the statements above?

A. 1. atthe ASP

2. opening 3RC-1, (PZR SPRAY)

B. 1. at the ASP

2. de-energizing Pzr Heaters C. 1. locally at the valve
2. opening 3RC-1, (PZR SPRAY)

D. 1. locally at the valve

2. de-energizing Pzr Heaters Page 25 of 75

Oconee Nuclear Station ILT 16-1 ON$ RO NRC Examination Question: 26 (1 point)

Given the following Unit 1 conditions:

  • LOCA CD tab in progress
  • ALL SCMs = 4°F increasing
  • RCS pressure is controllable
1) The RCS pressure setpoint which will cause Statalarm 1 SA-07/E-6 to actuate is

_(1)_psig.

2) In accordance with the LOCA CD tab, LPI _(2)_ be manually bypassed.

Which ONE of the following completes the statements above?

A. 1. 865

2. will B. 1. 865
2. will NOT C. 1. 890
2. will D. 1. 890
2. will NOT Page 26 of 75

Oconee Nuclear Station ILT 16-1 ONS RO NRC Examination Question: 27 (1 point)

Given the following Unit 1 conditions:

Initial conditions:

  • Reactor power = 100%
  • TDEFDWpump1sOOS Current conditions:
  • 1A MD EFDW pump fails to start
  • 1A SG level = 26 inches XSUR decreasing
  • 1 B SG level = 28 inches XSUR increasing
  • Enclosure 5.9 (Extended EFDW Operation) is in progress
  • 1FDW-313 and YFDW-314, (1A & lB EFDW LINE DISCH X-CONN5) open Which ONE of the following describes the MAXIMUM acceptable flowrate (gpm) allowed to each SG at the same time per EOP Rule 7?

JASG 1BSG A. 220 gpm 220 gpm B. 300 gpm 300 gpm C. 600 gpm 600 gpm D. 500 gpm 450 gpm Page 27 of 75

Oconee Nuclear Station ILT 16-1 ONS RO NRC Examination Question: 28 (1 point)

Given the following Unit 1 conditions:

  • Reactor power = 100%
  • RCP parameters given below:

1BJRCP JB2RCP UPPER Cavity 1426 psig stable 714 psig stable Pressure LOWER Cavity 2140 psig stable 1070 psig stable Pressure RCP _(1 )_ should be secured as soon as plant conditions allow because _(2)_.

Which ONE of the following completes the statement above?

A. 1. 1B1

2. a single failed seal can transport debris to other seals and damage them B. 1. 1B1
2. each seal is NOT designed to withstand full DP for an extended period C. 1. 1B2
2. a single failed seal can transport debris to other seals and damage them D. 1. 1B2
2. each seal is NOT designed to withstand full DP for an extended period Page 28 of 75

Oconee Nuclear Station ILT 16-1 ONS RO NRC Examination Question: 29 (1 point)

Given the following Unit 1 conditions:

  • AP/1/N1700/002, (Excessive RCS Leakage) is in progress
  • RCS Makeup is in progress using EOP End 5.5, (Pzr and LDST Level Control)
  • 1CS-48, (1A BHUT Recirc) is stuck in its normal position
1) 1 CS-48 is operated _(1 )_.
2) With 1 CS-48 stuck in its current position, makeup flow from 1 A Bleed Transfer Pump _(2)_ be adjusted per EOP End 5.5.

Which ONE of the following completes the statements above?

A. 1. locally

2. can B. 1. locally
2. can NOT C. 1. from the Unit 1 Control Room
2. can D. 1. from the Unit 1 Control Room
2. can NOT Page 29 of 75

Oconee Nuclear Station ILT 164 ONS RO NRC Examination Question: 30 (1 point)

Which ONE of the following consists of ONLY components powered from 2TD?

A. 2C LPI pump and 2B HPI pump B. 2C LPI pump and 2C HPI pump C. 2B LPI pump and 2B HPI pump D. 2B LPI pump and 2C HPI pump Page 30 of 75

Oconee Nuclear Station ILT 16-1 ONS RO NRC Examination Question: 31 (1 point)

Given the following Unit 1 conditions:

  • Reactor in MODE 5
  • LPI in normal decay removal
1) The LPI Pump Minimum Flow recirculation line directs LPI pump discharge flow to the suction of the respective LPI pump (i).
2) In accordance with OP/i /A111041004, (Low Pressure Injection System) Limits and Precautions, if operated BELOW the minimum allowed flow rate, the associated LPI pump 2) required to be stopped immediately.

Which ONE of the following completes the statements above?

A. 1. continuously

2. is B. 1. continuously
2. is NOT C. 1. ONLY when pump flow decreases to 800 gpm
2. is D. 1. ONLY when pump flow decreases to 800 gpm
2. is NOT Page 31 of 75

Oconee Nuclear Station ILT 16-1 ONS RO NRC Examination Question: 32 (1 point)

Given the following Unit 1 conditions:

Initial conditions:

  • Reactor power = 100%

Current conditions:

  • ES Channels 1 8 actuated
  • EOP Enclosure 5.1, (ES Actuation) initiated
  • HPI FlowTrainA=52Ogpm
  • HPI Flow Train B = 468 gpm
  • RC Make Up Flow = 160 gpm
  • Seal Inlet Header Flow = 32 gpm In accordance with the EOP, is/are required to be throttled to prevent HPI pump runout.

Which ONE of the following completes the statement above?

A. 1HP-26ONLY B. 1HP-27ONLY C. 1 HP-26 and 1 HP-27 D. NO valve(s)

Page 32 of 75

Oconee Nuclear Station ILT 16-1 ONS RO NRC Examination Question: 33 (1 point)

Given the following Unit 1 conditions:

  • Quench Tank pressure is 25 psig due to 1 RC-66, (PORV) leaking by
  • Quench Tank pressure is being lowered using Enclosure 4.5, (Lower QT Pressure) of OP/i/All 104/017, (Quench Tank Operations)
  • 1GWD-12, (QUENCH TANK VENT INSIDE RB) is OPEN
  • Vent Header pressure is +3 inches H20
  • GWD-1, (VENT HEADER PRESSURE CONTROL VALVE) is in AUTO
1) In accordance with OP/1/A/1104/017, 1GWD-13 (QUENCH TANK VENT OUTSIDE RB) is _(1) until desired Quench Tank pressure is reached.
2) GWD-1 is initially expected to _(2)_ in response to the current vent header pressure.

Which ONE of the following completes the statements above?

A. 1. cycled open and closed

2. open B. 1. cycled open and closed
2. close C. 1. opened fully
2. open D. 1. opened fully
2. close Page 33 of 75

Oconee Nuclear Station ILT 16-1 ONS RO NRC Examination Question: 34 (1 point)

Given the following Unit 1 conditions:

Initial conditions:

  • HPI forced cooling initiated
  • Quench Tank pressure = 40 psig increasing
  • RCS activity indicates no fuel failures present Current conditions:
  • Quench Tank pressure = 3 psig stable
1) Reactor building RIAs count rate _(1) increase.
2) A HIGH alarm on 1 RIA-49 will automatically close _(2).

Which ONE of the following completes the statements above?

A. 1. will

2. 1LWD-1 AND 1LWD-2 B. 1. will NOT
2. JLWD-1 AND 1LWD-2 C. 1. will
2. 1LWD-2 ONLY D. 1. will NOT
2. 1LWD-2 ONLY Page 34 of 75

Oconee Nuclear Station ILT 16-1 ON$ RO NRC Examination Question: 35 (1 point)

Given the following Unit 1 conditions:

lime = 0800:

  • Reactor power = 100%
  • 1 SA-9/B-1, (CC CRD RETURN FLOW LOW) in alarm
  • 1 SA-9/C-l, (CC COMP COOLING RETURN FLOW LOW) in alarm
  • AP/1/A/1700/020, (Loss of Component Cooling) is initiated lime = 0802:
  • Letdown temperature = 132°F
  • ALL remaining CRD Stator temperatures = 176°F increasing At Time 0802:
1) Letdown (1 ) isolated.
2) In accordance with AP/20, a manual Reactor trip _(2)_ required.

Which ONE of the following completes the statements above?

A. 1. has

2. is B. 1. has
2. is NOT C. 1. has NOT
2. is D. 1. has NOT
2. is NOT Page 35 of 75

Oconee Nuclear Station ILT 16-1 ON$ RO NRC Examination Question: 36 (1 point)

Given the following Unit 1 conditions:

Initial conditions:

  • Reactor power = 100%
  • RCS pressure = 2150 psig decreasing
  • AP/1/A/1700/044, (Abnormal Pressurizer Pressure Control) initiated Current conditions:
1) AP/44 will initially direct stopping the _(1 ) to help mitigate the failure.
2) If NO operator actions are taken, a Reactor Protection System, (RPS) _(2)_

Pressure trip will actuate FIRST to insert control rods.

Which ONE of the following completes the statements above?

A. 1. 1A1 RCPgy

2. Low B. 1. 1A1 RCPQy
2. Variable Low C. 1. 1A1and1A2RCPs
2. Low D. 1. 1A1and1A2RCPs
2. Variable Low Page 36 of 75

Oconee Nuclear Station ILT 16-1 ONS RO NRC Examination Question: 37 (1 point)

Given the following Unit 3 conditions:

lime = 0800:

  • Unit startup in progress
  • Reactor power =3%
  • 3A Main FDW pump is operating lime = 0810:
  • 3A Main FDW pump trips
  • Emergency FDW pumps start
  • Reactor power =3%
1) At lime =0810, the Reactor must be manually tripped because the Reactor Protection System, (RPS) trip due to the Loss of both MFDWPs _(1 ).
2) The purpose of the Loss of both MFDWPs Anticipatory Reactor Trip is to preclude a Reactor trip due to high _(2).

Which ONE of the following completes the statements above?

A. 1. has failed

2. RCS pressure from the loss of heat sink B. 1. has failed
2. neutron flux from the cold EFDW injection into the SGs C. 1. is bypassed
2. RCS pressure from the loss of heat sink D. 1. is bypassed
2. neutron flux from the cold EFDW injection into the SGs Page 37 of 75

Oconee Nuclear Station ILT 16-1 ONS RO NRC Examination Question: 38 (1 point)

Given the following Unit 1 conditions:

  • Plant response as indicated on attached PT Display
1) Digital ES Channels _(1 )_ should have automatically actuated.
2) Diverse HPI _(2)_ have automatically actuated.

Which ONE of the following completes the statements above?

REFERENCE PROVIDED A. 1. 1 through 8

2. will B. 1. land2ONLY
2. will C. 1. 1 through 8
2. will NOT D. 1. land2ONLY
2. will NOT Page 3$ of 75

Oconee Nuclear Station ILT 16-1 ON$ RO NRC Examination Question: 39 (1 point)

Given the following Unit 2 conditions:

Time 0000:

  • Large Break LOCA occurred
  • ES Channels 1-8 actuated
  • LOSCM tab in progress Time = 1200:
  • LOCA CD tab in progress
  • RB pressure = 2.0 psig
  • Reactor Engineering has confirmed Condition One per RP/0/B/1 000/01 8, (Core Damage Assessment)
1) Plant conditions at lime = 1200 (1)_ allow securing RB Spray.
2) When allowed by the LOCA CD tab, the reason for securing RB Spray is that continued operation does not outweigh the _(2).

Which ONE of the following completes the statements above?

A. 1. will

2. detrimental effects of corrosion of electrical components from the acidic spray B. 1. will
2. reduction in NPSH to the LPI pumps while the RB Spray pumps are operating C. 1. will NOT
2. detrimental effects of corrosion of electrical components from the acidic spray D. 1. will NOT
2. reduction in NPSH to the LPI pumps while the RB Spray pumps are operating Page 39 of 75

Oconee Nuclear Station ILT 16-1 ONS RO NRC Examination Question: 40 (1 point)

Which ONE of the following is the power supply for j Reactor Building Cooling Unit, (RBCU)?

A. 1XS2 B. 1XS3 C. 1X8 D. 1X9 Page 40 of 75

Oconee Nuclear Station ILT 16-1 ONS RO NRC Examination Question: 41 (1 point)

Given the following Unit 1 conditions:

_(1)_ is added to the RB Emergency Sump to allow RBS to _(2)_.

Which ONE of the following completes the statement above?

A. 1. LiOH, (Lithium Hydroxide)

2. minimize hydrogen production from the boric acid reaction with Zircoloy B. 1. LiOH, (Lithium Hydroxide)
2. aid in keeping Iodine in solution, ultimately reducing offsite dose C. 1. TSP, (Trisodium Phosphate Dodecahydrate)
2. minimize hydrogen production from the boric acid reaction with Zircoloy D. 1. TSP, (Trisodium Phosphate Dodecahydrate)
2. aid in keeping Iodine in solution, ultimately reducing offsite dose Page 41 of 75

Oconee Nuclear Station ILT 16-1 ONS RO NRC Examination Question: 42 (1 point)

Given the following Unit 1 conditions:

Time = 0800:

  • Reactor power = 100%
  • Small Break LOCA occurs
  • 1A SG outlet pressure instrument fails LOW
  • Rule 2, (Loss of SCM) is in progress
1) The RO performing Rule 2 will use the (1)_ to reduce 1A SG pressure and maintain it below RCS pressure.
2) When Rule 2 is complete, the TD EFDW pump _(2)_ be operating.

Which ONE of the following completes the statements above?

A. 1. TBVs

2. will B. 1. TBVs
2. will NOT C. 1. ADVs
2. will D. 1. ADVs
2. will NOT Page 42 of 75

Oconee Nuclear Station ILT 16-1 ONS RO NRC Examination Question: 43 (1 point)

Given the following Unit 3 conditions:

Initial conditions:

  • Reactor power = 100%
  • 3MS-1 12 & 3MS-173, (SSRH 3A/3B Controls) are OPEN in MANUAL
  • 3MS-77, 78, 80, 81, (MS to SSRHs) control switches in OPEN Current conditions:
1) 3MS-1 12 & 3MS-173 will _(1)_.
2) 3MS-77, 78, 80, 81 will _(2).

Which ONE of the following completes the statements above?

A. 1. close

2. close B. 1. close
2. remain open C. 1. remain open
2. close D. 1. remain open
2. remain open Page 43 of 75

Oconee Nuclear Station ILT 16-1 ONS RO NRC Examination Question: 44 (1 point)

Given the following Unit 3 conditions:

lime = 0400:00:

  • Reactor power = 70% stable
  • 3A Main FDW pump suction pressure = 236 psig decreasing Time = 0401 :25:
  • 3A Main FDW pump suction pressure = 230 psig increasing At lime = 0401:25, which ONE of the following describes the status of the Main FDW pump(s) and the plant?

A. Both Main FDW pumps are operating /

Plant runback in progress at 20% per mm B. Both Main FDW pumps are operating /

Reactor power is 70% stable C. 3A Main FDW pump has tripped /

Plant runback in progress at 20% per mm D. 3A Main FDW pump has tripped /

Reactor power is 65% stable Page 44 of 75

Oconee Nuclear Station ILT 16-1 ONS RO NRC Examination Question: 45 (1 point)

Given the following Unit 3 conditions:

Initial conditions:

  • Reactor tripped from 35% power due to 3TA lockout
  • 3A Main FDW pump operating Current conditions:
  • 3A and 3B SG levels = 38 inches SUR stable
1) If 3FDW-35 & 44 are placed in Automatic, the valves will travel in the (1)_

direction.

2) The Feedwater flow path will utilize the _(2) Feed Ring.

Which ONE of the following completes the statements above?

A. 1. open

2. Main B. 1. open
2. Auxiliary C. 1. closed
2. Main D. 1. closed
2. Auxiliary Page 45 of 75

Oconee Nuclear Station ILT 16-1 ON$ RO NRC Examination Question: 46 (1 point)

Given the following Unit 1 conditions:

Time = 0900:

  • Reactor power = 700%
  • Loss of all FDW occurs
  • LOHT tab is entered
  • CBP feed is in progress per Rule 3, (Loss of Main or Emergency FDW)

Time = 0930:

  • Unit 1 TD EFDW pump is operating
  • Total EFDW flow = 360 gpm
1) Per the LOHT Tab, the number of operating RCPs will be reduced to _(1).
2) EFDW flow must be _(2)_ to stabilize RCS temperature.

Based on plant conditions at 0930, which ONE of the following completes the statements above?

REFERENCE PROVIDED A. 1. one total

2. increased B. 1. one total
2. decreased C. 1. one per loop
2. increased D. 1. one per loop
2. decreased Page 46 of 75

Oconee Nuclear Station ILT 16-1 ONS RO NRC Examination Question: 47 (1 point)

The Operators have been directed to synchronize KHU-2 to the grid in accordance with OP/0/N1 106/01 9, (Keowee Hydro at Oconee).

The operators note the following indications:

  • Grid Frequency = 60.1 Hz
  • Keowee Frequency = 59.7 Hz
  • Keowee Line Voltage = 13.9 KV
  • Keowee 2 Output Voltage = 15.0 kV
1) The synchroscope will be turning in the _(1)_ direction.
2) Placing the UNIT 2 AUTO VOLTAGE ADJUSTER switch in the RAISE position will cause the _(2)_ to rise.

Based on plant conditions, which ONE of the following completes the statements above?

A. 1. Clockwise

2. KEOWEE 2 LINE VOLTS B. 1. Clockwise
2. KEOWEE 2 OUTPUT VOLTS C. 1. Counterclockwise
2. KEOWEE2LINE VOLTS D. 1. Counterclockwise
2. KEOWEE 2 OUTPUT VOLTS Page 47 of 75

Oconee Nuclear Station ILT 16-1 ONS RO NRC Examination Question: 48 (1 point)

Given the following plant conditions:

  • The Standby Buses are being powered from the 100 kV line
  • The SL Breakers Auto/Manual Selector switches are in AUTO
  • The TRIP INTERLOCK DEFEAT SWITCH is in the LEE position Which ONE of the following describes the MINIMUM condition(s) that will cause the SL Breakers to open?

A. Undervoltage on EITHER Standby Bus 1 or Standby Bus 2.

B. Undervoltage on BOTH Standby Bus 1 and Standby Bus 2.

C. The 1 St level 100KV Degraded Voltage Relay has been satisfied for 9 seconds AND the 2nd level 100KV Degraded Voltage Relay is now satisfied.

D. The 1st level 100KV Degraded Voltage Relay is now satisfied AND the 2nd level 100KV Degraded Voltage Relay has been satisfied for 9 seconds.

Page 48 of 75

Oconee Nuclear Station ILT 16-1 ONS RO NRC Examination Question: 49 (1 point)

Given the following Unit 1 conditions:

Initial conditions:

  • Reactor power = 100%
  • 1 DCA Bus Voltage = 125 VDC
  • 1 DCB Bus Voltage 126 VDC
  • 2DCA Bus Voltage = 127 VDC
  • 2DCB Bus Voltage = 127 VDC Current conditions:
  • 1 XS1 incoming feeder breaker trips Based on the current conditions, which ONE of the following is correct regarding the DC power systems?

ASSUME NO OPERATOR ACTIONS A. 1 DCA will be powered from the standby charger B. 1 DCB loads will be powered from Battery 1 CB C. 1 KX Inverter will be powered from 1 DCB D. 1 DIC Inverter will be powered from 1 DCB Page 49 of 75

Oconee Nuclear Station ILT 16-1 ONS RO NRC Examination Question: 50 (1 point)

Given the following Unit 1 conditions:

  • 1A HWP breaker in the TEST position
1) The 1A HWP breaker _(1)_ be closed remotely using the Control Room switch.
2) If the 1A HWP breaker DC control power fuses are removed, 1A HWP breaker (2)_

be closed locally using the pistol grip switch located on the front of the breaker cubicle.

Which ONE of the following completes the statements above?

A. 1.can

2. can B. 1.can
2. can NOT C. 1.can NOT
2. can D. 1.canNOT
2. can NOT Page 50 of 75

Oconee Nuclear Station ILT 16-1 ONS RO NRC Examination Question: 51 (1 point)

Given the following Unit 2 conditions:

Time = 7200:

  • Reactor in MODE 5
  • 2RIA-35, (LPSW Disch.) is isolated for repair Time = 7300:
  • 2A LPI cooler develops a large leak Time = 1500:
  • Actions to isolate the 2A LPI cooler are initiated
  • RCS temperature slowly increasing
1) At Time = 7330, there _(1)_ an RIA alarm indicating the LPI cooler leak.
2) Entry into MODE 4 will occur when RCS temperature exceeds a MINIMUM of

_(2)°F.

Which ONE of the following completes the statements above?

A. 1.is

2. 200 B. 1. is
2. 250 C. 1. is NOT
2. 200 D. 1. is NOT
2. 250 Page 51 of 75

Oconee Nuclear Station JLT 16-1 ON$ RO NRC Examination Question: 52 (1 point)

Given the following Unit 1 conditions:

Time = 1200:

  • Reactor power = 35%
  • RCS activity = 0.25 pCi/mI DEl increasing Time = 1400:
  • Reactor power = 35%
  • RCS activity = 0.65 pCi/mI DEl increasing
1) Between Time = 1200 and 1400, 1 RIA-1 6 indication will _(1 )_.
2) At Time = 1400, in accordance with AP/31, (Primary to Secondary Leakage) 1 RIA-59 _(2)_ be used to calculate SG tube leak size.

Which ONE of the following completes the statements above?

A. 1. stay the same

2. will B. 1. staythe same
2. will NOT C. 1. increase
2. will D. 1. increase
2. will NOT Page 52 of 75

Oconee Nuclear Station ILT 16-1 ONS RO NRC Examination Question: 53 (1 point)

Given the following Unit 1 conditions:

  • Standby LPSW pump fails to start Which ONE of the following will begin to increase in temperature?

ASSUME NO OPERATOR ACTION A. Letdown B. Spent Fuel Pool C. Main Feedwater Pump oil temperature D. Primary Instrument Air Compressor discharge air temperature Page 53 of 75

Oconee Nuclear Station ILT 16-1 ONS RO NRC Examination Question: 54 (1 point)

Given the following plant conditions:

  • IA pressure is decreasing
  • Current IA pressure is as follows:

TURB BLDG 160 140 120 100 80 60 40 20 PSI 0

Based on the above conditions, which ONE of the following describes the air compressors that will be operating?

The Primary IA Compressor AND...

A. Diesel Air Compressors ONLY B. Diesel Air Compressors AND AlA Compressors ONLY C. AlA Compressors AND Backup IA Compressors ONLY D. Backup IA Compressors ONLY Page 54 of 75

Oconee Nuclear Station ILT 16-1 ONS RO NRC Examination Question: 55 (1 point)

Given the following Unit 2 conditions:

Time = 0400:

  • Reactor power = 100%

Time = 0410:

  • RCS pressure = 1500 psig decreasing
  • RB pressure = 3.3 psig increasing
1) Reactor Building (1)_ will have automatically closed.
2) In accordance with EOP Enclosure 5.1, (ES Actuation) a previously closed containment isolation valve will be opened by FIRST placing the associated

_(2).

Which ONE of the following completes the statements above?

A. 1. non-essential isolation valves ONLY

2. ES Channel in MANUAL B. 1. non-essential isolation valves ONLY
2. voter in OVERRIDE C. 1. non-essential and essential isolation valves
2. ES Channel in MANUAL D. 1. non-essential and essential isolation valves
2. voter in OVERRIDE Page 55 of 75

Oconee Nuclear Station ILT 16-1 ONS RO NRC Examination Question: 56 (1 point)

Given the following Unit 2 conditions:

Initial conditions:

  • Mode6
  • Reactor Vessel head removed
  • 2LT-5A, (Rx Vessel Level 2A) = 28 inches stable
  • 2LT-5B, (Rx Vessel Level 2B) = 28 inches stable Current conditions:
  • 2LT-5A REFERENCE LEG is damaged resulting in complete drain down of the reference leg
1) 2LT-5A indication will _(1 )_.
2) 2LT-5B indication will _(2)_.

Which ONE of the following completes the statements above?

A. 1. decrease

2. decrease B. 1. increase
2. increase C. 1. decrease
2. remain the same D. 1. increase
2. remain the same Page 56 of 75

Oconee Nuclear Station ILT 16-1 ONS RO NRC Examination Question: 57 (1 point)

Given the following Unit 1 conditions:

Time = 0800:

  • Reactor power = 100%
  • NR RCS pressure Channel B has failed HIGH Time = 0801:
  • NR RCS pressure Channel E fails HIGH
1) 1 RC-66, (PORV) _(1) fail open.
2) The Reactor _(2)_ receive a High RCS Pressure trip signal.

Based on the plant conditions at Time = 0801, complete the above statements.

ASSUME NO OPERATOR ACTIONS A. 1. will

2. will B. 1. will
2. will NOT C. 1. will NOT
2. will D. 1. will NOT
2. will NOT Page 57 of 75

Oconee Nuclear Station ILT 16-1 ONS RO NRC Examination Question: 58 (1 point)

Given the following Unit 1 conditions:

  • Reactor power = 100%
  • ICS HAND power is lost
1) ICS HAND power is supplied by inverter_(1)_.
2) The TBVs (2)_ be controlled in HAND.

Which ONE of the following completes the statements above?

A. 1. 1KI

2. can B. 1. 1KI
2. can NOT C. 1. 1KU
2. can D. 1. 1KU
2. can NOT Page 58 of 75

Oconee Nuclear Station ILT 16-1 ONS RO NRC Examination Question: 59 (1 point)

Given the following Unit 3 conditions:

  • Reactor power = 8%
  • Power is being increased in accordance OP/3/A/1102/OO1, (Controlling Procedure for Unit Startup)
  • CTPD SET is adjusted to 12%

As power is increased to 12%, the MAXIMUM rate at which power can be increased is limited to _(1)_ per minute and SG levels will (2).

Which ONE of the following completes the statement above?

A. 1.1%

2. remain at 25 inches B. 1.1%
2. increase above 25 inches C. 1.3%
2. remain at 25 inches D. 1.3%
2. increase above 25 inches Page 59 of 75

Oconee Nuclear Station ILT 16-1 ON$ RO NRC Examination Question: 60 (1 point)

Given the following Unit 3 conditions:

Initial conditions:

  • Reactor power = 25% stable Current conditions:

Which ONE of the following completes the statement above?

A. 1. will

2. setpoint B. 1. will
2. setpoint plus 125 psig C. 1. will NOT
2. setpoint D. 1. will NOT
2. setpoint plus 125 psig Page 60 of 75

Oconee Nuclear Station ILT 16-1 ONS RO NRC Examination Question: 61 (1 point)

Given the following Unit 1 conditions:

  • Reactor power = 50% stable
  • 1A SG develops a tube leak
  • CSAE Off-Gas Blower is OFF
1) In accordance with AP/1/N1700/031, (Primary to Secondary Leakage) QAC point 01 P1599, (Est Total Pri to Sec Leakrate), _(1 )_ be used to determine leak rate.
2) 1 RIA-40 reads out in _(2).

Which ONE of the following completes the statements above?

A. 1. will

2. cpm B. 1. will
2. gpd C. 1. will NOT
2. cpm D. 1. will NOT
2. gpd Page 61 of 75

Oconee Nuclear Station ILT 16-1 ONS RO NRC Examination Question: 62 (1 point)

Given the following Unit 1 conditions:

  • Reactor power = 30% stable
  • lCSisin MANUAL
  • 1 B Condensate Booster Pump (CBP) trips
  • C/FDW PRESSURE Runback Light is lit
  • AP/1/N1700/001, (Unit Runback) is entered
  • A manual power reduction is initiated
1) The Standby CBP will NOT start if its (1 )_ pressure is 10 psig (assuming all other permissives are met).
2) Per guidance contained in AP/1, if the C/FDW PRESSURE Runback Light does NOT clear, the manual power reduction will be stopped at _(2)_ power.

Which ONE of the following completes the statements above?

A. 1. suction

2. 15%

B. 1. suction

2. 20%

C. 1. auxiliary oil

2. 15%

D. 1. auxiliary oil

2. 20%

Page 62 of 75

Oconee Nuclear Station ILT 16-1 ONS RO NRC Examination Question: 63 (1 point)

Given the following Unit 1 conditions:

  • 1A GWD tank release in progress
  • 1 RIA-37, (Waste Gas Effluent Monitor) HIGH alarm actuates
  • 1SA-8/B-9, (Process Monitor Radiation High) actuates
1) 1RIA-37 HIGH alarm will close 1AGWDtank(1)_.
2) Once the GWD tank release is completed, _(2) will be used to purge the RIA.

Which ONE of the following completes the statements above?

A. 1. inletAND outlet valves

2. Nitrogen B. 1. inlet AND outlet valves
2. Instrument Air C. 1. outlet valves ONLY
2. Nitrogen D. 1. outlet valves ONLY
2. Instrument Air Page 63 of 75

Oconee Nuclear Station ILT 16-1 ONS RO NRC Examination Question: 64 (1 point)

IA PRESSURE 10 w

D Cl)

Co uJ U

1200 1210 1220 1230 TIME Based on the graph above, which ONE of the following describes the EARLIEST time at which SA-141, (SA to IA Controller) will automatically open?

A. 1207 B. 1210 C. 1212 D. 1215 Page 64 of 75

Oconee Nuclear Station ILT 16-1 ONS RO NRC Examination Question: 65 (1 point)

Given the following Unit 2 conditions:

  • A fire door is blocked open and can NOT be closed
  • The closest operable fire detectors are 16 ft on either side of the door
1) In accordance with SLC 16.9.5, a(n) _(1)_ fire watch must be established.
2) In accordance with OMP 2-1, (Duties And Responsibilities of On-Shift Operations Personnel) fire impairment compensatory measures are approved by the (2).

Which ONE of the following completes the statements above?

A. 1. continuous

2. Work Control Center SRO B. 1. continuous
2. Control Room Supervisor C. 1. hourly
2. Work Control Center SRO D. 1. hourly
2. Control Room Supervisor Page 65 of 75

Oconee Nuclear Station ILT 16-1 ONS RO NRC Examination Question: 66 (1 point)

Given the following Unit 2 conditions:

  • Reactor power = 100%
  • The BOP determines that the Steam Packing Exhauster is OFF In accordance with SOMP 1-07, (Control Room Oversight) and OMP 1-24, (Operations Communications Standards) the...
1) BOP will communicate this to the crew using a crew _(1)_.
2) above communication _(2)_ required to be 3-way.

Which ONE of the following completes the statements above?

A. 1. update

2. is B. 1. update
2. is NOT C. 1. brief
2. is D. 1. brief
2. is NOT Page 66 of 75

Oconee Nuclear Station ILT 16-1 ONS RO NRC Examination Question: 67 (1 point)

Given the following Unit 1 conditions:

Time = 0800:

  • Reactor power = 100%

Time = 0801:

  • Reactor power = 101% increasing
  • Plant Transient Response is performed Time = 0801:30
  • Reactor power = 104% increasing
  • The OATC manually trips the Reactor
1) The Reactor was tripped due to _(1)_ the RPS trip setpoint.
2) SRO concurrence (2) required prior to tripping the Reactor.

Which ONE of the following completes the statements above?

A. 1. approaching

2. is B. 1. approaching
2. is NOT C. 1. exceeding
2. is D. 1. exceeding
2. is NOT Page 67 of 75

Oconee Nuclear Station ILT 16-1 ONS RO NRC Examination Question: 68 (1 point)

Given the following Unit 2 conditions:

  • Reactor in Mode 6
  • Refueling in progress
  • RB purge release in progress
  • A Fuel Assembly is dropped in the Unit 1 & 2 Spent Fuel Pool
  • 1 RIA-6, (SFP Area Monitor) in alarm
  • AP/l/N1700/009, (Spent Fuel Damage) is entered In accordance with API9, the control room RO...
1) _(1)_ stop Unit 2 RB Purge Fan.
2) will dispatch an operator to start (2) Spent Fuel Filtered Exhaust Fan(s).

Which ONE of the following completes the statements above?

A. 1. will

2. ONLY one B. 1. will
2. BOTH C. 1. will NOT
2. ONLY one D. 1. will NOT
2. BOTH Page 68 of 75

Oconee Nuclear Station ILT 16-1 ONS RO NRC Examination Question: 69 (1 point)

Boron precipitation is primarily a concern for a _(1 )_ leg rupture and failure to initiate the Boron Dilution flow path when required would challenge the ability to _(2).

A. 1. hot

2. prevent boron stratification in the cold leg to ensure a restart event does not occur when the cold leg volume enters the core.

B. 1. hot

2. ensure boron does not concentrate in the core and block the long term core cooling flow path C. 1. cold
2. prevent boron stratification in the cold leg to ensure a restart event does not occur when the cold leg volume enters the core.

D. 1. cold

2. ensure boron does not concentrate in the core and block the long term core cooling flow path Page 69 of 75

Oconee Nuclear Station ILT 16-1 ONS RO NRC Examination Question: 70 (1 point)

Given the following Unit 3 conditions:

  • Reactor in MODE 4
  • Placing LPI in service for cooldown
1) 3LP-1 1 and 3LP-1 3, (3A/3B LPI Cooler Inlet) are _(1 )_ valves.
2) _(2)_ are throttled to control RCS temperature in accordance with OP/31N1 102/010, (Controlling Procedure for Unit Shutdown).

Which ONE of the following completes the statements above?

A. 1. manual

2. 3LPSW-251 and 3LPSW-252, (3N3B LPI Cooler Outlet Control)

B. 1. manual

2. 3LP-92 and 3LP-93, (3A/3B LPI CIr Byp Controller)

C. 1. electric

2. 3LPSW-251 and 3LPSW-252, (3N3B LPI Cooler Outlet Control)

D. 1. electric

2. 3LP-92 and 3LP-93, (3A/3B LPI CIr Byp Controller)

Page 70 of 75

Oconee Nuclear Station ILT 16-1 ONS RO NRC Examination Question: 71 (1 point)

Given the following Unit 1 conditions:

  • Reactor power = 100%
  • 1 PA Battery is inoperable In accordance with SLC 16.8.3, (Power Battery Parameters)...
1) the MAXIMUM Completion time allowed to declare the Unit 1 TD EFDW pump inoperable is _(1)_.
2) cross connecting buses _f2)_ is required.

Which ONE of the following completes the statements above?

A. 1. immediately

2. 1PAanU1PB B. 1. immediately
2. 1PA,2PAanU3PA C. 1. within one hour
2. 1PAanU1PB D. 1. within one hour
2. 1PA,2PAand3PA Page 71 of 75

Oconee Nuclear Station ILT 16-1 ONS RO NRC Examination Question: 72 (1 point)

Given the following Unit 3 conditions:

  • SGTR tab in progress
  • RCS temperature = 548°F stable Which ONE of the following describes an action taken, in accordance with the SGTR tab, to limit the activity released to the environment?

A. The CSAE drains are rerouted to the CST B. The Turbine Building Sump pump breakers are opened C. The affected SG is isolated prior to initiating RCS cooldown D. The Auxiliary Steam systems for all three units are separated Page 72 of 75

Oconee Nuclear Station ILT 16-1 ONS RO NRC Examination Question: 73 (1 point)

An RWP that you are preparing to work under states the following:

  • The highest dose rate in the area is 325 mR/hr (at 30 cm)
  • Radiography will be conducted in an area next to where you are working sometime during the shift
1) An area with the above dose rate should be designated as a _(1 )_.
2) The radiography boundary is required to be constructed with 2)_ at each radiation sign.

Which ONE of the following completes the statements above?

A. 1. Radiation Area

2. red stop signs ONLY B. 1. Radiation Area
2. flashing lights AND red stop signs C. 1. High Radiation Area
2. red stop signs ONLY D. 1. High Radiation Area
2. flashing lights AND red stop signs Page 73 of 75

Oconee Nuclear Station ILT 16-1 ON$ RO NRC Examination Question: 74 (1 point)

The following are Log entries from the Emergency Coordinator (EC/SM) Log following an event at Oconee Unit 2.

1112 EC/SM declared a General Emergency based on RIA-57 readings.

1117 EC/SM provided the following offsite protective recommendations to the Offsite Communicator:

  • Evacuation of Pickens A0, Al, BY, Cl, and Oconee A0, DY, El, Fl
  • Shelter of Pickens A2, B2, C2, and Oconee D2, E2, F2.

1120 EC/SM signed message form to provide offsite recommendations.

1122 EC/SM began turnover to TSC.

1125 Present time of day.

Based on the above conditions, which ONE of the following describes how many minutes the Offsite Communicator has to initiate the notifications to State and Counties from the rresent time?

A. 2 B. 7 C. 10 D. 15 Page 74 of 75

Oconee Nuclear Station ILT 16-1 ONS RO NRC Examination Question: 75 (1 point)

Given the following Unit 1 conditions:

Initial conditions:

  • Time =0400
  • Reactor power = 100%

Current conditions:

  • Time=0415
  • 1 SA-02/D-4, (RC PRESS EM ERG LOW) actuated
  • RCS pressure = 520 psig decreasing
  • RB pressure = 2.5 psig increasing
  • ONLY ES Channels 1 and 2 actuated
1) The HIGHER pressure that will result in a RCS Low Pressure reactor trip is(1)_.
2) At Time = 0415, and in accordance with EOP Enclosure 5.1, (ES Actuation)

_(2)_ trip push buttons must be depressed.

Which ONE of the following completes the statements above?

A. 1. 1810 psig

2. ES Channels 3 through 6 B. 1. 1810 psig
2. ONLY ES Channels 3 and 4 C. 1. 1850 psig
2. ES Channels 3 through 6 D. 1. 1850 psig
2. ONLY ES Channels 3 and 4 Page 75 of 75

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Examination KEY for: ILT 16-1 ONS RO NRC Exami Question Answer Number 1 D 2 A 3 D 4 C 5 C 6 A 7 D 8 B 9 D 10 B 11 A 12 C 13 D 14 B 15 B 16 C 17 A 18 A 19 D 20 B 21 B 22 D 23 D 24 A 25 D Printed 6/22/201 6 1 :29:06 PM Page 1 of 3

Examination KEY for: ILT 16-1 ONS RO NRC Exami Question Answer Number 26 A 27 B 28 A 29 B 30 D 31 B 32 D 33 B 34 C 35 D 36 D 37 A 38 C 39 A 40 B 41 D 42 B 43 B 44 A 45 C 46 C 47 D 48 B 49 C 50 B Printed 6/22/2016 1 :29:07 PM Page 2 of 3

Examination KEYfor: ILT 16-1 ONS RO NRC Exami Question Answer Number 51 A 52 D 53 A 54 D 55 C 56 D 57 B 58 C 59 A 60 C 61 C 62 A 63 D 64 D 65 A 66 B 67 B 68 A 69 D 70 B 71 B 72 B 73 D 74 A 75 B Printed 6/22/201 6 1 :29:07 PM Page 3 of 3

ILT 16-1 NRC RO Written Exam References Table of Contents Q. 38- OAC PIT Display Q. 46 EOP Rule 7 Flow vs Decay Heat

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