Text

Initial Exam 2014-301 Final RO Written Exam
	ML14174A885
Person / Time
Site:	Oconee
Issue date:	06/23/2014
From:	; Division of Nuclear Materials Safety II
To:	;
References
	50-269/14-301, 50-270/14-301, 50-287/14-301
	Download: ML14174A885 (81)
	v • d • e

FACILflY NAME: 2014-301 Section 8 REPORT NUMBER: 2014-301 FINAL RO WRITTEN EXAM CONTENTS:

Fina RO Written Exam (75 as given questions with changes made during administration annotated)

EReference Handouts Provided To Applicants f Answer Key Location of Electronic Files:

Submitted Venfied By:________________________

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

Date: 06/18/2014 Facility/Unit: Oconee Region: I El II III El IV El Reactor Type: WE] CE El BW GE El 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 0.00167 hours 9.920635e-6 weeks 2.283e-6 months after the examination begins.

Applicant Certification All work done on this examination is my own. I have neither given nor received aid.

. Applicants Signature Resu Its Examination Value 75 Points Applicants Score Points Applicants Grade Percent

Oconee Nuclear Station Question:

I 1LT45 ONS RO NRC Examination (1 point)

Given the following Unit I conditions:

Reactor power = 100% stable

1) 1 RC-66 (PORV) will OPEN if the I RC-66 pilot valve solenoid is inadvertently (1)

2) If I RC-66 fails OPEN and NO operator action is taken, the reactor will trip on (2) RCS pressure A. 1. energized

2. Low B. 1. energized

2. Variable Low C. 1. de-energized

2. Low D. 1. de-energized

2. Variable Low Page 1 of 75

Oconee Nuclear Station Question: 2 ILT4S ONSRONRCExamination (1 point)

Given the following Unit I conditions:

Time = 1700

Reactor power = 100%

Time = 1701

Reactor tripped Time = 1706

RCS pressure = 425 psig slowly decreasing

All SCM5 = 0°F and stable

HPI header A flow = 478 gpm and stable

IA and lB HPI pumps operating

IC HPI pump breaker failed open Which ONE of the following describes what valve must be opened and what flow limit is in effect?

A. Open I HP-409 and ensure total HPI flow is 950 gpm B. Open I HP-409 and ensure total HPI flow is 750 gpm C. Open I HP-410 and ensure total HPI flow is < 950 gpm D. Open I HP-410 and ensure total HPI flow is 750 gpm Page 2 of 75

Oconee Nuclear Station Question:

3 ILT4S ONS RO NRC Examination (1 point)

Given the following Unit I conditions:

Initial conditions:

Time = 0400

Reactor power = 100%

Current conditions:

Time=0415

ISA-02/D-4 (RC PRESS EMERG LOW) actuated

RCS pressure = 520 psig decreasing

RB pressure = 2] psig increasing

ONLY ES Channels I and 2 actuated

1) The HIGHER pressure that will result in a RCS Low Pressure reactor trip is (1)

2) At 0415 and in accordance with EOP Enclosure 5.1 (ES Actuation) (2)

Which ONE of the following completes the statements above?

A. 1. 1810 psig

2. ES Channels 3 through 6 trip push buttons must be depressed B. 1. 1810 psig

2. ONLY ES Channels 3 and 4 trip push buttons must be depressed C. 1. 1850 psig

2. ES Channels 3 through 6 trip push buttons must be depressed D. 1. 1850 psig

2. ONLY ES Channels 3 and 4 trip push buttons must be depressed Page 3 of 75

Oconee Nuclear Station Question:

4 1LT45 ONSRONRCExamination (1 point)

Given the following Unit 2 conditions:

Reactor power 100%

2HP-31 (RCP Seal Flow Control) failed CLOSED

ALL individual RCP seal return valves CLOSED

2CC-8 (CC Return Block) failed CLOSED

1) 2HP-21 (RCP Seal Return) will (1)

2) In accordance with 2AP/14 (Loss of HPI Normal Makeup and/or Seal Injection), the operator will be directed to trip the reactor and (2)

Which ONE of the following completes the statements above?

A. 1. remain OPEN

2. dispatch an operator to establish SSF RC Makeup B. 1. automatically CLOSE

2. dispatch an operator to establish SSF RC Makeup C. 1. remain OPEN

2. immediately secure ALL RCPs D. 1. automatically CLOSE

2. immediately secure ALL RCPs Page 4 of 75

Oconee Nuclear Station Question: 5 IL T45 ONS RO NRC Examination (1 point)

Given the following Unit I conditions:

Initial conditions:

Reactor power = 100%

IHP-31 (RCP Seal Flow Control) failed CLOSED

AP/14 (Loss of Normal HPI Makeup and/or RCP Seal Injection) initiated Current conditions:

IHP-31 has been repaired

Seal injection flow is being re-established to the RCP seals

1) RCP seal injection flow is re-established slowly to prevent (1)

2) In accordance with AP/14, (2) is/are throttled opened to re-establish RCP seal injection flow.

Which ONE of the following completes the statements above?

A. 1. water hammer and possible damage to the RCP thermal barrier

2. IHP-31 B. 1. water hammer and possible damage to the RCP thermal barrier

2. the individual RCP Seal Injection Throttle valves C. 1. prevent thermal shock and possible damage to the RCP seals

2. IHP-31 D. 1. prevent thermal shock and possible damage to the RCP seals

2. the individual RCP Seal Injection Throttle valves Pages of 75

Oconee Nuclear Station Question: 6 1LT45 ONS RO NRC Examination (1 point)

Given the following Unit I conditions:

Initial conditions:

Heatup in progress

LPI in High Pressure mode Current conditions:

ILP-12 (IA LPI Cooler Outlet) is inadvertently closed and will NOT open

AP/26 (Loss of Decay Heat Removal) initiated

1) AP126 will direct aligning LPI in the (1) Mode to restore RCS cooling.

2) When LPI flow is restored above, flow will be entering the reactor vessel via the (2)

Which ONE of the following completes the statements above?

A. 1. Switchover

2. A CFT nozzle ONLY B. 1. Switchover

2. A and B CFT nozzles C. 1. Series

2. A CFT nozzle ONLY D. 1. Series

2. A and B CFT nozzles Page 6 of 75

Oconee Nuclear Station Question:

7 1LT45 ONSRONRCExamination (1 point)

Given the following Unit I conditions:

Initial conditions:

Reactor power = 100%

IA and I B Letdown Coolers in service Current conditions:

IA Letdown Cooler is removed from service by the RO in the control room I) CC flowto the lB Letdown Coolerwill (I)

2) If letdown temperature increases, control rods will (2) as a result of the reactivity change.

Which ONE of the following completes the statements above?

A. 1. stay the same

2. insert B. 1. stay the same

2. withdraw C. 1. increase

2. insert D. I. increase

2. withdraw Page 7 of 75

Oconee Nuclear Station Question:

8 1LT45 ONSRONRCExamination (1 point)

Given the following Unit I conditions:

Initial conditions:

Time =0400

Reactor power = 100%

Current conditions:

Time =0401

A transient occurs

RCSpressuredecreasedto2l4l psig

RCS pressure = 2142 psig slowly increasing Which ONE of the following lists ALL of the Pzr heater banks that are energized at 0401?

A. BankIONLY B. Banks 1 and 2 ONLY C. Banks I and 3 ONLY D. Banksl,2,3and4 Page 8 of 75

Oconee Nuclear Station Question: 9 1LT45 ONSRONRCExamination (1 point)

Given the following Unit 1 conditions:

Initial conditions:

Time =0400

Reactor power = 100%

Current conditions:

Time =0405

ITA lockout occurs

Reactor power = 90% decreasing

ONLY one RO is currently in the Unit I horseshoe area

1. At 0405, the RO will be directed to perform (1)

2. When initiated, Rule 1 (2)_direct tripping the Main Turbine.

Which ONE of the following completes the statements above?

A. 1. Immediate Manual Actions

2. will B. 1. Immediate Manual Actions

2. will NOT C. 1. Rule I

2. will D. 1. Rule I

2. will NOT Page 9 of 75

Oconee Nuclear Station Question:

10 1LT45 ONSRONRCExamination (1 point)

Given the following Unit I conditions:

Time = 0400

Reactor power = 100%

TDEFDWpumpisOOS Time = 0401

Both Main FDW pumps trip

Loss of IA to 1 FDW-316 occurs Time = 0410

IA SG level = 27 inches XSUR increasing

I B SG level = 36 inches XSUR increasing I) At 0410, (1) SG has indications ofa tube leak.

2) At 0410 and in accordance with Rule 7 (SG Feed Control) the MAXIMUM EFDW flow allowed to each SG is (2) gpm.

Which ONE of the following completes the statements above?

A. 1.IA

2. 600 B. 1.IA

2. 1000 C. 1.IB

2. 600 D. 1.IB

2. 1000 Page 10 of 75

Oconee Nuclear Station Question:

11 1LT45 ONSRONRCExamination (1 point)

Given the following Unit I conditions:

Initial conditions:

Reactor power = 100%

Current conditions:

Total loss of Main and Emergency Feedwater

LOHT tab in progress

Rule 4 (Initiation of HPI Forced Cooling) initiated When Rule 4 is complete, (1) RCP(s) and (2) HPIP(s) will be operating.

Which ONE of the following completes the statement above?

A. 1. ONLYone

2. ONLYtwo B. 1. ONLYone

2. three C. 1. ONLY two

2. ONLY two D. 1. ONLYtwo

2. three Page 11 of75

Oconee Nuclear Station Question:

12 1LT45 ONSRONRCExamination (1 point)

Given the following Unit I conditions:

Initial conditions:

Time = 0400

A station blackout has occurred Current conditions:

Time = 0730

I CA bus voltage = 105 VDC At 0730 and in accordance with the Blackout tab, I CC-8 (CC Return Block) (1) required to be failed closed because it fails (2)

Which ONE of the following completes the statement above?

A. 1.isNOT

2. closed on a loss of IA B. I.isNOT

2. closed on a loss of DC power C. I.is

2. open on a loss of IA D. 1.is

2. open on a loss of DC power Page 12 of 75

Oconee Nuclear Station Question:

13 1LT45 ONSRONRCExamination (1 point)

Given the following Unit 1 conditions:

Initial conditions:

Reactor power = 100%

Switchyard Isolation (LOOP) occurs Current conditions:

MFBs energized from Keowee

AP/Il (Recovery From Loss of Power) Step 4.16 in progress Step 416 Place transfer switches (N/E) in MAN for all Oconee units receiving power from the normal source (IT, 2T, 3T).

1) ALoadShed (2) occurredonUniti.

2) The purpose for the above step is to (1) on a subsequent unit trip.

Which ONE of the following completes the statement above?

A. 1. has

2. prevent an out of sync rapid bus transfer B. 1. has

2. ensure a slow transfer does not occur C. 1. has NOT

2. prevent an out of sync rapid bus transfer D. 1. has NOT

2. ensure a slow transfer does not occur Page 13 of 75

Oconee Nuclear Station Question: 14 1LT45 ONSRONRCExamination (1 point)

Given the following Unit I conditions:

Initial conditions:

Reactor power = 100%

SASS in MANUAL

PZR level I selected Current conditions:

I KVIA de-energized

1) IHP-120 (RC Volume Control) will throttle (1)

2) The operator will select Pzr level (2) to restore a valid Pzr level.

Which ONE of the following completes the statements above?

A. 1. open

2. 2 B. 1. open

2. 3 C. 1. closed

2. 2 D. 1. closed

2. 3 Page 14 of 75

Oconee Nuclear Station Question: 15 1LT45 ONSRONRCExamination (1 point)

Given the following plant conditions:

ICA Battery Charger fails

> Output voltage = 0 VDC

1CA Battery voltage = 120 VDC

I DCB Bus voltage = 123 VDC

Unit 2 DCAIDCB Bus voltage = 125 VDC

Unit 3 DCAIDCB Bus voltage = 127 VDC Which ONE of the following will automatically supply power to IDIA panelboard?

A. ICA Battery B. Unit 3 DC Bus C. 1DCB Bus D. Unit2DCBus Page 15 of 75

Oconee Nuclear Station Question:

16 1LT45 ONSRONRCExamination (1 point)

Given the following Unit I conditions:

Initial conditions:

Reactor power = 100%

A and B LPSW pumps operating Current conditions:

A LPSW pump trips due to breaker failure

Standby LPSW pump will NOT start

AP124 (Loss of LPSW) initiated

LPSW header pressure deceases to 15 psig and is now increasing

1) ILPSW-1121, 1122, 1123, and 1124 closed ate MAXIMUM LPSW header pressure of (2) psig decreasing

2) In accordance with AP/24 the above valves are closed to (1)

Which ONE of the following completes the statements above?

A. 1. 18

2. prevent subsequent LPSW pump run out B. 1. 18

2. prevent water hammers in the LPSW system C. 1.25

2. prevent subsequent LPSW pump run out D. 1.25

2. prevent water hammers in the LPSW system Page 16 of 75

Oconee Nuclear Station Question:

17 1LT45 ONSRONRCExamination (1 point)

Given the following Unit I conditions:

Initial conditions:

Reactor power = 100%

Current conditions:

IA Header pressure = 25 psig decreasing

Aux IA Header pressure = 100 psig stable

Letdown temperature = 131°F stable IHP-5 is (1) because (2)

Which ONE of the following completes the statement above?

A. 1. open

2. it is backed up by Nitrogen B. 1. open

2. it is backed up by Aux IA C. 1. closed

2. IA Header pressure is low D. 1. closed

2. it closed on high Letdown temperature Page 17 of 75

Oconee Nuclear Station Question:

18 1LT45 ONSRONRCExamination (1 point)

Given the following Unit I conditions:

Reactor trip due to loss of Main Feedwater

Emergency Feedwater is NOT available

Condensate Booster Pump feed has been established

RCS leak = 80 gpm slowly increasing Which ONE of the following describes:

1) actions required by the LOHT tab for RCPs?

2) the reason for the actions?

A. I. Reduce to one pump per loop

2. To reduce heat input to RCS B. 1. Reduce to one pump per loop

2. To reduce inventory loss from the RCS C. I. Reduce to ONLY one RCP

2. To reduce heat input to RCS D. I. Reduce to ONLY one RCP

2. To reduce inventory loss from the RCS Page 18 of 75

Oconee Nuclear Station Question: 19 ILT4S ONSRONRCExamination (1 point)

Given the following Unit I conditions:

Initial conditions:

Reactor power = 100%

Current conditions:

Main Turbine has tripped

Reactor power = 48% decreasing

Rule I (ATWS/UNPP) in progress

I HP-24 will NOT open

1) In accordance with Rule 6, (HPI Pump Throttling Limits) (1)

2) In accordance with Rule 6, (HPI Pump Throttling Limits) the MAXIMUM reactor power which will allow throttling HPI is (2)

Which ONE of the following completes the statements above?

A. 1. throttle total HPI flow < 950 gpm (including seal injection)

2. 1%

B. 1. throttle total HPI flow 950 gpm (including seal injection)

2. <5%

C. I. ONLY two HPI pumps are allowed to be operating

2. <1%

D. I. ONLY two HPI pumps are allowed to be operating

2. 5%

Page 19 of 75

Oconee Nuclear Station Question: 20 1LT45 ONSRONRCExamination (1 point)

Unit I plant conditions:

Reactor power = 100%

50 gpd Tube Leak

An increase in activity is reported in Chemical Treatment Pond (CTP) #3 Which ONE of the following describes an RIA which if it indicated increasing counts could explain the source of the above increase?

A. I RIA-42 (RCW)

B. IRIA-31 (LPI Cooler)

C. IRIA-54(TBS)

D. 1 RIA-33 (LW Release)

Page 20 of 75

Oconee Nuclear Station Question: 21 1LT45 ONSRONRCExamination (1 point)

Given the following Unit I conditions:

Initial conditions:

Reactor power = 100%

Fire in Unit I Cable Room

AP/50 (Challenging Plant Fire) has been initiated Current conditions:

AP/50, Section 4G (Unit I Control Room Evacuation) in progress

1) Section 4G will direct the OATC to (1)

2) The reason the above action is taken is to take (2)

Which ONE of the following completes the statements above?

A. 1. 1FDW-315 and IFDW-316 to MANUAL and close

2. ensure flow to the SGs can be controlled from the ASD Panel B. 1. IFDW-315 and 1FDW-316 to MANUAL and close

2. prevent spurious operation of I FDW-315 and IFDW-316 due to fire damage C. 1. 1A and I B TBVs to MANUAL and control SG pressure from the ADVs

2. ensure natural circulation develops when the RCPs are secured D. 1. IA and I B TBVs to MANUAL 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 Question: 22 1LT45 ONSRONRCExamination (1 point)

Given the following Unit I conditions:

Initial conditions:

Time =0400

Reactor power = 100%

ISA3/B6 (FIRE ALARM) actuated

The BOP reviews the alarms at the Fire Alarm Control panel Current conditions:

Time=0415

Fire detector at the Unit I Main FDW pumps alarms

1) At 0400, the alarm at the Fire Alarm Control panel will be indicated by (1)

2) At 0415, ISA3IB6 (Fire Alarm) (2)_ reflash.

Which ONE of the following completes the statements above?

A. 1. a blinking LED ONLY

2. will B. 1. a blinking LED ONLY

2. will NOT C. 1. a blinking LED g an audible alarm

2. will D. 1. a blinking LED an audible alarm

2. will NOT Page 22 of 75

Oconee Nuclear Station Question:

23 1LT45 ONSRONRCExamination (1 point)

Given the following Unit 3 conditions:

Time = 0400

AP/8 (Loss of Control Room) initiated

Control Room Evacuation complete due to a non-fire event

ASDP has been manned

ASDP indications:

Turbine Header Pressure = 1011 psig and slowly decreasing

> TBVs demand is 12% in Automatic and decreasing

> RCS T Hot = 560°F and slowly decreasing

> Pzr Level = 140 inches increasing

> SG SU levels = 48 inches and increasing

> ALL RCPs are operating At 0400, which ONE of the following describes the required action(s) (if any) per AP/8 and why?

A. NO actions are required, the plant is responding as expected.

B. Take manual control of TBVs to stabilize SG Pressure.

C. Take manual control and cycle 3B HPI pump to stabilize Pzr level.

D. Take manual control of FDW Startup Control Valves and lower SG levels.

Page 23 of 75

Oconee Nuclear Station Question:

24 1LT45 ONSRONRCExamination (1 point)

Given the following Unit I conditions:

Reactor Power = 36%

I RIA-40 Alert and High Alarm actuated

Letdown Flow 78 gpm

Seal Inlet Header flow = 32 gpm

RC Makeup flow = 85 gpm

RCP Seal Return Flows:

> IAI=2.Igpm

> 1A2=2.2gpm

> 1BI=2.lgpm

> 1B2=2.lgpm

Pressurizer level = 220 inches stable

1) (1) is required to be entered at this time.

2) The procedure entered above will direct maintaining a Pzr level band of (2)

Which ONE of the following completes the statements above?

A. 1. EOP (Emergency Operating Procedure) SGTR Tab

2. 140 inches 180 inches B. 1. EOP (Emergency Operating Procedure) SGTR Tab

2. 220 inches 260 inches C. I. AP/3I (Primary to Secondary Leakage)

2. 140 inches 180 inches D. 1. AP/31 (Primary to Secondary Leakage)

2. 220 inches 260 inches Page 24 of 75

Oconee Nuclear Station Question:

25 1LT45 ONSRONRCExamination (1 point)

Given the following Unit I conditions:

Initial conditions:

Reactor power = 25% slowly increasing

Turbine trip Current conditions:

Reactor power = 22% decreasing

1) (1) will be used to direct plant activities after the Turbine trip.

2) The expected Steam Generator pressure is (2) psig.

Which ONE of the following completes the statements above?

A. 1. TheUNPPtab

2. 885 B. I. TheUNPPtab

2. 1010 C. 1. AP/1 (Unit Runback)

2. 885 D. 1. AP/1 (Unit Runback)

2. 1010 Page 25 of 75

Oconee Nuclear Station Question:

26 1LT45 ONSRONRCExamination (1 point)

Given the following Unit I conditions:

Turbine Building Flood (TBF) tab initiated

Main and Emergency Feedwater have been lost I) In accordance with the TBF tab RCS decay heat will be removed using (I)

2) This heat removal method is chosen because (2)

Which ONE of the following completes the statements above?

A. 1. HPI Forced Cooling

2. Raw lake water will damage the SGs B. I. HPI Forced Cooling

2. SSF-ASW suction source is CCW and ALL CCW pumps will be secured C. I. SSF-ASW

2. of anticipation of losing Condensate Booster Pumps D. I. SSF-ASW

2. of anticipation of losing LPSW pumps Page 26 of 75

Oconee Nuclear Station Question:

27 ILT4S ONSRONRCExamination (1 point)

Given the following Unit I conditions:

C0reSCM=0°F

LOCA Coo Idown tab in progress

CETCs = 395°F slowly decreasing I) In accordance with the LOCA CD tab (I) is required to be opened to establish the normal Boron dilution flow path.

2) The above valve will be operated from the (2) Control Room Which ONE of the following completes the statements above?

A. 1. 1LP-103 (Post LOCA Boron Dilute)

2. Unit I B. 1. 1 LP-1 03 (Post LOCA Boron Dilute)

2. SSF C. I. I LP-1 05 (Post LOCA Boron Dilute To LPI Suction)

2. Unit I D. 1. 1 LP-1 05 (Post LOCA Boron Dilute To LPI Suction)

2. SSF Page 27 of 75

Oconee Nuclear Station Question: 28 1LT45 ONSRONRCExamination (1 point)

Given the following Unit 1 conditions:

Initial conditions:

Time =0400:00

Reactor power = 100%

I BI RCP Amps = 527 Current conditions:

Time =0400:01

1B1 RCPAmps=255 Reactor power will (1) and feedwater will (2)

Which ONE of the following completes the statement above?

A. 1. decrease

2. re-ratio B. 1. decrease

2. NOT re-ratio C. 1. staythesame

2. re-ratio D. 1. staythesame

2. NOT re-ratio Page 28 of 75

Oconee Nuclear Station Question: 29 1LT45 ONSRONRCExamination (1 point)

Given the following Unit I conditions:

Initial conditions:

Time = 0400

Reactor power = 15%

Current conditions:

Time = 0430

RCS temperature = 535 °F decreasing

RCS pressure = 2040 psig decreasing

Pzr level = 200 inches decreasing

LDST level = 65 inches decreasing

1) The HIGHER LDST level that will automatically align the HPI pumps suction to the BWST is (1) inches.

2) At 0430, the reactor (2) automatically tripped on low RCS pressure.

Which ONE of the following completes the statements above?

A. 1. 58

2. has B. 1.58

2. has NOT C. 1.38

2. has D. 1.38

2. has NOT Page 29 of 75

Oconee Nuclear Station Question:

30 1LT45 ONSRONRCExamination (1 point)

Given the following Unit I conditions:

Reactor in MODE 5

LPI is aligned in the Normal Decay Heat Removal flowpath I) Aligning LPI to the Purification Demineralizers (I) require the use of pneumatic valves.

2) IC LPI Pump (2) the desired LPI pump to use during this alignment.

Which ONE of the following completes the statements above?

A. I. does

2. is B. 1. does

2. is NOT C. I. does NOT

2. is D. I. does NOT

2. is NOT Page 30 of 75

Oconee Nuclear Station Question:

31 1LT45 ONSRONRCExamination (1 point)

Given the following Unit 3 plant conditions:

Reactor in MODE 5

LPI in normal DHR alignment (1) temperatures will be used to ensure compliance with Tech Spec allowed cooldown rates and (2) will be used to adjust cooldown rate.

Which ONE of the following completes the statement above?

A. 1. LPI Cooler Outlet

2. LPSW flow B. 1. LPI Cooler Outlet

2. LPI flow C. 1. Core Exit Thermocouples

2. LPSW flow D. 1. Core Exit Thermocouples

2. LPI flow Page 31 of 75

Oconee Nuclear Station Question: 32 1LT45 ONSRO NRC Examination (1 point)

Given the following Unit I conditions:

RCS cooldown in progress

RCS pressure = 1780 psig slowly decreasing The HPI ES bypass permissive is activated at a MAXIMUM RCS pressure of (1) psig and (2) require manual actions to be re-instated when RCS pressure is returned to normal operating pressure.

Which ONE of the following completes the statement above?

A. 1. 1715

2. will B. 1. 1715

2. will NOT C. 1. 1740

2. will D. 1. 1740

2. will NOT Page 32 of 75

Oconee Nuclear Station Question:

33 1LT45 ONSRONRCExamination (1 point)

Given the following Unit I conditions:

Initial conditions:

Reactor power = 100%

Current conditions:

ES Channels 1 8 actuated

EOP Enclosure 5.1 (ES Actuation) initiated

HPI Flow Train A = 520 gpm

HPI Flow Train B = 468 gpm

RCMakeUpFlow=l6Ogpm

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. 1 HP-26 ONLY B. 1 HP-27 ONLY C. 1 HP-26 and 1 HP-27 D. NOvalve Page 33 of 75

Oconee Nuclear Station Question:

34 1LT45 ONSRONRCExamination (1 point)

Given the following Unit I conditions:

OP/i/All 1 03/002, (Filling and Venting RCS) Enclosure 4.14 (Establishing Pzr Steam Bubble And RCS Final Vent) in progress

Quench Tank level = 82 inches

Quench Tank pressure = 0.5 psig

The Pressurizer is vented to the Quench Tank for 30 minutes Which ONE of the following describes QT parameters that would indicate that Pzr Steam Bubble Formation is complete?

QT level (inches) QT pressure (psig)

A. 82.1 0.6 B. 84.1 0.6 C. 82.1 2.5 D. 84.1 2.5 Page 34 of 75

Oconee Nuclear Station Question: 35 IL T45 ONS RO NRC Examination (1 point)

Which ONE of the following will result in the Standby Component Cooling pump receiving an automatic start signal?

A. CC Total Flow = 568 gpm B. CRD Outlet HDR Flow = 136 gpm C. Component Cooling system pressure = 95 psig D. ONE Main Feeder Bus de-energized for 21 seconds Page 35 of 75

Oconee Nuclear Station Question:

36 1LT45 ONSRONRCExamination (1 point)

Given the following Unit I conditions:

BWST Temperature = 85°F

LDST Temperature = 105°F

RCS pressure = 685 psig

PZR level = 235 inches stable

1) The (1) is an allowable suction source for Auxiliary Pressurizer Spray.

2) The reason for the applicable limit in accordance with SLC 16.5.8 (Pressurizer) is to reduce (2)

Which ONE of the following completes the statements above?

A. 1. LDSTONLY

2. reduce thermal stress on the Pzr spray nozzle B. 1. LDSTortheBWST

2. reduce thermal stress on the Pzr spray nozzle C. 1. LDST ONLY

2. prevent exceeding the high Pzr level limit D. 1. LDST or the BWST

2. prevent exceeding the high Pzr level limit Page 36 of 75

Oconee Nuclear Station Question:

37 1LT45 ONSRONRCExamination (1 point)

Given the following Unit I conditions:

Initial conditions:

Reactor power = 100%

IRC-1 failed OPEN

RCS pressure = 2150 psig decreasing

AP/44 (Abnormal Pressurizer Pressure Control) initiated Current conditions:

IRC-3 failed OPEN

1) RCSpressurewill (1)

2) AP/44 will initially direct stopping the (2) to help mitigate the failure.

Which ONE of the following completes the statements above?

A. 1. continue to decrease below the reactor trip setpoint 2, 1AIRCPONLY B. 1. continue to decrease below the reactor trip setpoint

2. IAI and 1A2 RCP C. 1. be maintained above the reactor trip setpoint

2. IAI RCP ONLY D. 1. be maintained above the reactor trip setpoint

2. IAI and 1A2 RCP Page 37 of 75

Oconee Nuclear Station Question: 38 1LT45 ONSRONRCExamination (1 point)

Which ONE of the following would result in a trip of the ID RPS Channel AND the ID CRD Breaker?

A. I D RPS channel Manual Trip keyswitch is placed in the trip position B. Reactor Building Pressure Switch in the ID RPS channel fails OPEN C. Loss of I DCB pan elboard D. Loss of the IKVID panelboard Page 38 of 75

Oconee Nuclear Station Question:

39 1LT45 ONSRONRCExamination (1 point)

Given the following Unit 1 conditions:

Reactor power = 100%

1A RPS Thot RTD fails HIGH Which ONE of the following describes:

1) ALL RPS trips affected by the failure?

2) the action preferred, in accordance with OP/I/All 105/0 14 (Control Room Instrumentation Operation And Information)?

A. 1. RCS High Outlet Temperature ONLY

2. Place MANUAL TRIP Keyswitch in TRIP.

B. 1. RCS High Outlet Temperature ONLY

2. Place affected RPS Channel MANUAL BYPASS keyswitch in BYP.

C. 1. RCS High Outlet Temperature and RCS Variable Low Pressure

2. Place MANUAL TRIP Keyswitch in TRIP.

D. 1. RCS High Outlet Temperature and RCS Variable Low Pressure

2. Place affected RPS Channel MANUAL BYPASS keyswitch in BYP.

Page 39 of 75

Oconee Nuclear Station Question:

40 1LT45 ONSRONRCExamination (1 point)

Given the following Unit I conditions:

Main Steam Line break inside the Reactor Building

RCS pressure decreased to 974 psig and is now increasing

Reactor Building pressure increased to 34 psig and is now decreasing Which ONE of the following lists ALL ECCS systems that have actuated?

A. HPI ONLY B. HPI AND Core Flood ONLY C. HPIAND LPI ONLY D. HPI, LPI, AND Core Flood Page 40 of 75

Oconee Nuclear Station Question:

41 1LT45 ONSRONRCExamination (1 point)

Given the following Unit 3 conditions:

Initial conditions:

Time =0400

Reactor power = 100%

3A HPI Pump operating Current conditions:

Time =0401

Reactor tripped due to SBLOCA

ES Digital Channels 2, 4, and 6 failed to automatically actuate At 0405, which ONE of the following lists only safety related components that will be in their ES condition?

ASSUME NO OPERATOR ACTIONS A. KHU#2 / 3HP-5 B. 3BHPIPump /3PR-10 C. KHU #2 / 3A LPI Pump D. 3B HPI Pump / 3LPSW-24 Page 41 of 75

Oconee Nuclear Station Question: 42 1LT45 ONSRONRCExamination (1 point)

Given the following Unit I conditions:

Initial conditions:

Reactor power = 50% stable Current conditions:

LBLOCA occurs

ITO de-energized Which ONE of the following describes the status of the below listed Reactor Building Cooling Units five (5) minutes after ES actuates?

ASSUME NO OPERATOR ACTIONS IARBCU IBRBCU A. LOW LOW B. LOW OFF C. OFF LOW D. OFF OFF Page 42 of 75

Oconee Nuclear Station Question:

43 1LT45 ONSRONRCExamination (1 point)

Given the following plant conditions:

SBLOCA has occurred on Unit I

Reactor Building Pressure = 11.2 psig slowly decreasing

Unit 2 Reactor Power = 100%

Which ONE of the following describes the actions directed by Enclosure 5.1 (ES Actuation) to ensure the required LPSW flow exists in the IA LPI cooler?

A. Place ILPSW-251 in FAIL OPEN ONLY B. Place ILPSW-251 in FAIL OPEN AND fully open ILPSW-4 C. Place I LPSW-251 in FAIL OPEN AND Throttle LPSW flow to approximately 3000 gpm using I LPSW-4 D. Place I LPSW-251 in FAIL OPEN AND Throttle LPSW flow to approximately 5200 gpm using I LPSW-4 Page 43 of 75

Oconee Nuclear Station Question: 44 IL T45 ONS RO NRC Examination (1 point)

Given the following Unit I conditions:

Initial conditions:

Reactor power = 75% stable Current conditions:

1ATBVsfaiIOPEN

1) (1) will be used to mitigate this event.

2) Reactor power will increase and then stabilize at (2)

Which ONE of the following completes the statements above?

A. 1. OP/1/A11106/OO1 (Turbine Generator)

2. a higher power slightly above pre-transient value B. 1. OPIIIAI1IO6IOOI (Turbine Generator)

2. approximately the pre-transient value C. 1. AP/11A117001028 (ICS Instrument Failures)

2. a higher power slightly above pre-transient value D. 1. AP/11A11700/028 (ICS Instrument Failures)

2. approximately the pre-transient value Page 44 of 75

Oconee Nuclear Station Question: 45 1LT45 ONSRO NRC Examination (1 point)

Given the following Unit 3 conditions:

Time = 0400

Reactor power = 70% stable

3B2 RCP trips At 0430, which ONE of the following describes the response in FDW pump suction flows that has occurred over the previous 30 minutes?

A. 3A FDW Pump suction flow has increased AND 3B FDW Pump suction flow has decreased B. 3B FDW Pump suction flow has increased AND 3A FDW Pump suction flow has decreased C. 3A AND 3B FDW Pump suction flows have decreased D. 3A AND 3B FDW Pump suction flows remain unchanged Page 45 of 75

Oconee Nuclear Station Question: 46 ILT4S ONSRONRCExamination (1 point)

Given the following Unit I conditions:

Initial conditions:

Unit cooldown in progress

IA and lB MD EFDWPs operating

EOP Enclosure 5.9 (Extended EFDW Operation) in progress Current conditions:

UST level = 3.5 feet decreasing In accordance with EOP Enclosure 5.9, I) both MD EFDWPs are required to be secured at the HIGHER UST level of less than (I)

2) vacuum is (2) to be broken prior to the MD EFDWPs taking suction on the Hotwe II.

Which ONE of the following completes the statements above?

A. 1. one foot

2. required B. I. one foot

2. NOT required C. 1. one inch

2. required D. I. one inch

2. NOT required Page 46 of 75

Oconee Nuclear Station Question: 47 ILT4S ONS RO NRC Examination (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:

IXSI incoming feederbreakertrips Based on the current conditions, which ONE of the following is correct regarding the DC power systems?

ASSUME NO OPERATOR ACTIONS A. I DCA will be powered from the standby charger B. 1DCB loads will be powered from Battery 1CB C. I KX Inverter will be powered from I DCB D. I DIC lnverter will be powered from 1 DCB Page 47 of 75

Oconee Nuclear Station Question: 48 1LT45 ONSRONRCExamination (1 point)

1) 600 volt MCC IXS2 is normally powered from a power string that begins at4 KVswitchgear (1)

2) If the normal power supply to 1XS2 is lost, the alternate power supply (2) automatically energize IXS2.

Which ONE of the following completes the statements above?

A. 1.1TD 2.will B. 1.1TD

2. will NOT C. 1.1TE

2. will D. 1.1TE

2. will NOT Page 48 of 75

Oconee Nuclear Station Question: 49 1LT45 ONSRONRCExamination (1 point)

Given the following station conditions:

Initial conditions:

All three units Reactor power = 100%

Current conditions:

All Units 4160v Main Feeder Busses are de-energized

Unit 1, 2, and 3 EOP Blackout tabs in progress Which ONE of the following describes the required status of Unit I Essential Inverters per EOP Enclosure 5.38 (Restoration of Power) and why?

Unit ls Essential Inverters A. remain energized to provide power to ES channels B. remain energized to provide control power to 4160v C. are de-energized to prevent inverter damage D. are de-energized to extend the life of available batteries Page 49 of 75

Oconee Nuclear Station Question: 50 1LT45 ONSRONRCExamination (1 point)

Given the following Unit 1 conditions:

Initial conditions:

Time =0400

Reactor power 100%

SLlandSL2closed

ACB-4 closed Current conditions:

Time = 0401

RCS pressure = 200 psig decreasing

Switchyard Isolation occurs

KeoweeUnit2 Emergency Locked out IA and 1 B LPI pumps will be_

Which ONE of the following completes the statement above?

A. manually energized from CT-5 B. automatically energized from CT-5 C. manually energized from Keowee Unit 1 D. automatically energized from Keowee Unit 1 Page 50 of 75

Oconee Nuclear Station Question: 51 1LT45 ONSRONRCExamination (1 point)

Given the following Unit I conditions:

Initial conditions:

Time=1200

Reactor power = 35% stable

IA steam generator tube leak = 2.1 gpd stable

RCS activity = 0.25 pCi/mI DEl increasing Current conditions:

Time=1400

NO change in IA SG tube leak rate

RCS activity = 0.65 pCi/mI DEl and increasing Which ONE of the following describes the response of the radiation monitors between 1200 and 1400?

A. IRIA-16 (Main Steam Line Monitor) AND IRIA-40 (CSAE Off-gas) increase.

B. IRIA-16 (Main Steam Line Monitor) increased while IRIA-40 (CSAE Off-gas) remain constant.

C. I RIA-59 (N-16 monitor) AND 1 RIA-40 (CSAE Off-gas) increase.

D. IRIA-59 (N-16 monitor) increased whilelRlA-40 (CSAE Off-gas) remain constant.

Page 51 of 75

Oconee Nuclear Station Question:

52 1LT45 ONSRONRCExamination (1 point)

Given the following Unit I and 2 conditions:

Initial conditions:

A & B LPSW pump operating Current conditions:

ISA9/A9 LPSW HEADER A PRESS LOW

A LPSW pump amps = 15 35 fluctuating

B LPSW pump amps = 55 stable

LPSW HDR PRESS = rapidly fluctuating between 60 & 75 psig

1) The A LPSW pump (1)

2) AP/24 (Loss of LPSW) will direct (2)

Which ONE of the following completes the statements above?

A. 1. is cavitating

2. placing the Unit 1/2 STANDBY LPSW PUMP AUTO START CIRCUIT in DISABLE then stopping LPSW Pump A and starting LPSW Pump C B. 1. hasa sheared shaft

2. placing the Unit 1/2 STANDBY LPSW PUMP AUTO START CIRCUIT in DISABLE then stopping LPSW Pump A and starting LPSW Pump C C. 1. iscavitating

2. starting LPSW Pump C then stopping LPSW Pump A D. 1. hasa sheared shaft

2. starting LPSW Pump C then stopping LPSW Pump A Page 52 of 75

Oconee Nuclear Station Question:

53 1LT45 ONSRONRCExamination (1 point)

Given the following Unit 1 conditions:

Initial conditions:

Time =0400

Reactor power = 100%

Current conditions:

Time=0415

RCS pressure = 248 psig decreasing

1) At 0415, (1) LPSW pumps will be supplying loads on Unit 1.

2) The B LPSW pump is powered from (2)

Which ONE of the following completes the statements above?

A. 1. ONLY two

2. lTD ONLY B. 1. ONLYtwo

2. 1TDor2TD C. 1. three

2. lTD ONLY D. 1. three

2. ITDpj2TD Page 53 of 75

Oconee Nuclear Station Question: 54 1LT45 ONS RO NRC Examination (1 point)

Given the following plant conditions:

Large IA leak occurs

Service air header pressure = 87 psig decreasing

Turbine Building air header pressure per gage below:

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 C. AlA Compressors AND Backup IA Compressors D. Backup IA Compressors ONLY Page 54 of 75

Oconee Nuclear Station Question:

55 1LT45 ONSRONRCExamination (1 point)

Given the following Unit I conditions:

Initial conditions:

Time =0400

Reactor power = 100%

Current conditions:

Time=0415

RCS pressure = 1500 psig decreasing

RB pressure = 1.2 psig increasing

EOP Enclosure 5.1 (ES Actuation) initiated

1) At 0415, ILPSW-l5is (1)

2) If closed due to ES actuation and in accordance with Enclosure 5.1, prior to opening I LPSW-1 5, the associated (2)

Which ONE of the following completes the statements above?

A. 1. open

2. voter is taken to override B. 1. open

2. ES channel(s) is/are taken to manual C. 1. closed

2. voter is taken to override D. 1. closed

2. ES channel(s) is/are taken to manual Page 55 of 75

Oconee Nuclear Station Question: 56 1LT45 ONSRONRCExamination (1 point)

Given the following Unit I conditions:

Time = 0400

Reactor trip from 100% power due to a loss of offsite power

Forced Cooldown (FCD) tab in progress

Tcold = 550°F stable Time = 0500

RCS pressure = 2155 psig stable

A Natural Circulation cooldown is initiated

I RC-1 59 (RX Vessel Head Vent) will NOT open

1) At 0400 and in accordance with the FCD tab, the MAXIMUM allowable cooldown rate is (2)

2) During the cooldown, Reactor Vessel head voids (1) expected to occur.

Which ONE of the following completes the statements above?

A. 1. <50°F/hr

2. are B. 1. <50°F/hr

2. are NOT C. 1. 50°F/

,4hr 1

2. are D. 1. 50°F/%hr

2. are NOT Page 56 of 75

Oconee Nuclear Station Question:

57 1LT45 ONS RO NRC Examination (1 point)

Given the following Unit 1 conditions:

Initial conditions:

A LOCA occurs from 100% power

Multiple equipment failures have occurred Current conditions:

LOCA CD tab in progress

A significant increase is noted on the Source Range

1) Atransferto the ICC tab is required (2)

2) A possible cause for the increase of the Source Range is significant voiding in the (1)

Which ONE of the following completes the statements above?

A. 1. when ANY SCM indicates superheat

2. core B. 1. when ANY SCM indicates superheat

2. downcomer C. 1. ONLY when the Core SCM indicates superheat

2. core D. 1. ONLY when the Core SCM indicates superheat

2. downcomer Page 57 of 75

Oconee Nuclear Station Question:

58 1LT45 ONSRONRCExamination (1 point)

Given the following Unit I conditions:

Reactor power = 100%

1) ICS AUTO power to the TBVs is supplied by (1)

2) ICS HAND power to the TBVs is supplied by (2)

Which ONE of the following completes the statements above?

A. 1.lKl

2. IKU B. 1.IKI

2. IKX C. 1.1KU

2. lKl D. 1.IKU

2. IKX Page 58 of 75

Oconee Nuclear Station Question: 59 ILT4S ONSRONRCExamination (1 point)

Given the following Unit 1 conditions:

Refueling in progress

RB Purge in operation

1) If the RB Main Purge fan trips due an RIA alarm, Spent Fuel Pool level will (1)

2) When the RB Main Purge fan trips above, PR valves (2) will automatically close.

Which ONE of the following completes the statements above?

A. 1. increase

2. 2 through 5 ONLY B. 1. increase

2. 1 through 6 C. 1. decrease

2. 2through5ONLY D. 1. decrease

2. 1 through 6 Page 59 of 75

Oconee Nuclear Station Question:

60 1LT45 ONSRONRCExamination (1 point)

Given the following plant conditions:

Initial conditions:

Time=0400

A SFP pump operating Current conditions:

Time=0401

Spent Fuel Storage Cask has been dropped in Unit 1&2 SFP

Spent Fuel damage is visible

RA-6 and RIA-41 HIGH alarms actuate

Spent Fuel Pool level = -3.5 feet decreasing

1) The Unit (1) Reactor Building Purge filters will be used to reduce off site releases.

2) At 0401 the A SEP pump is (2)

Which ONE of the following completes the statements above?

A. 1.1 2.ON B. 1.1

2. OFF C. 1.2 2.ON D. 1.2

2. OFF Page 60 of 75

Oconee Nuclear Station Question:

61 1LT45 ONSRONRCExamination (1 point)

Given the following Unit I conditions:

Reactor power 100%

ISA-02/B-1 1 (ICS AUTO POWER FAILURE)

As a result of the above failure:

1) IHP-120 (RC Volume Control) is operable in (1)

2) The Turbine Bypass Valves are operable in (2)

Which ONE of the following completes the statements above?

A. 1. HAND ONLY

2. HAND orAUTO B. 1. HAND ONLY

2. HAND ONLY C. 1. HAND orAUTO

2. HAND orAUTO D. 1. HAND orAUTO

2. HAND ONLY Page 61 of 75

Oconee Nuclear Station Question: 62 1LT45 ONS RO NRC Examination (1 point)

Given the following Unit 1 conditions:

Time = 1200:00

Reactor power = 80% stable

IA and I B CBP operating Time = 1201:00

lACBPtrips

Feedwater Pump suction pressure = 225 psig slowly decreasing Time = 1203:00

Feedwater Pump suction pressure = 220 slowly increasing Which ONE of the following describes the:

1) runback rate (%/min) inserted at 1201 :00 to ICS?

2) procedure that will be directed by the Procedure Director at 1203:00?

A. 1.25

2. AP/1 IA/I 700/001 (Unit Runback)

B. 1.25

2. EOP C. 1.20

2. AP/1/A11700/001 (Unit Runback)

D. 1.20

2. EOP Page 62 of 75

Oconee Nuclear Station Question:

63 1LT45 ONSRONRCExamination (1 point)

Given the following Unit I conditions:

Initial conditions:

Reactor power = 75% stable

Diamond and BOTH FDW Masters in MANUAL Current conditions:

Reactor power = 63% decreasing

Control Rod Group 5 Rod 6 Asymmetric Alarm light on the P1 panel is lit

Control Rod Group 5 Rod In Limit light on the P1 panel is lit

Asymmetric Fault light on Diamond Panel is lit

1) The Asymmetric Alarm light indicates that the rod is misaligned from the group averagebyaMiNiMUMof (1) inches.

2) In accordance with AP/1 (Plant Runback), a MANUAL power reduction (2) required.

Which ONE of the following completes the statements above?

A. 1.7

2. is B. 1.7

2. is NOT C. 1.9

2. is D. 1.9

2. is NOT Page 63 of 75

Oconee Nuclear Station Question: 64 1LT45 ONSRONRCExaminaiion (1 point)

Given the following Unit I conditions:

A unit shutdown is in progress due to a primary to secondary leak

Reactor power = 32% decreasing

1) (1) provides the operator with a readout in GPM.

2) At this time, the above RIA (2) procedurally allowed to be used to determine the primary to secondary leak rate.

Which ONE of the following completes the statements above?

A. 1. IRIA-16 (Main Steam Line Monitor)

2. is B. 1. IRIA-16 (Main Steam Line Monitor)

2. is NOT C. 1. IRIA-59 (N-16 monitor)

2. is D. 1. IRIA-59 (N-16 monitor)

2. is NOT Page 64 of 75

Oconee Nuclear Station Question:

65 1LT45 ONSRONRCExamination (1 point)

Given the following Unit 2 conditions:

Initial conditions:

Reactor power = 100%

A and B LPSW pumps operating

Switchyard Isolate occurs Current conditions:

Unit 2 MFB I & 2 energized

1) Unit I & 2 LPSW is supplied via the ECCW (1)

2) A and B LPSW pumps will restart (2) after power is restored.

Which ONE of the following completes the statements above?

A. 1. flrstsiphon

2. immediately B. 1. second siphon

2. immediately C. 1. first siphon

2. 10 seconds D. 1. second siphon

2. 10 seconds Page 65 of 75

Oconee Nuclear Station Question: 66 1LT45 ONSRONRCExamination (1 point)

Given the following Unit I conditions:

B Shift is on duty

The OATC asks to be temporarily relieved to go to the canteen.

The BOP has previously received a formal turnover on the unit.

Which ONE of the following describes whose permission is required to turn over the OATC position to the BOP and items that are required to be included in the turnover per OMP 2-01 (Duties and Responsibilities of On-Shift Operations Personnel)?

A. Unit I Control Room SRO I review of Ops Guides and outstanding R&Rs B. Unit I Control Room SRO I review RCS temperature/pressure and operating band C. Any B shift SRO / review of Ops Guides and outstanding R&Rs D. Any B shift SRO / review RCS temperature/pressure and operating band Page 66 of 75

Oconee Nuclear Station Question:

67 1LT45 ONSRONRCExamination (1 point)

Given the following Unit I conditions:

Time = 0400

Generator output = 850 MWe stable

Generator Hydrogen pressure = 50 psig stable Time = 0500

Generator output = 600 MWe stable

Generator Hydrogen pressure = 30 psig stable I) At 0500 and in accordance with OP/I/NI 106/001 End. 4.5 (Capability Curve), the MAXIMUM MVARs allowed is approximately (I)

2) If needed, MVARs can be changed by using the (2)

Which ONE of the following completes the statements above?

REFERENCE PROVIDED A. 1. 340

2. Voltage Adjuster (AUTO)

B. 1. 340

2. Turbine Speed Changer C. 1. 370

2. Voltage Adjuster (AUTO)

D. I. 370

2. Turbine Speed Changer Page 67 of 75

Oconee Nuclear Station Question: 68 ILT4S ONSRONRCExamination (1 point)

Which ONE of the following is the LOWER limit on RCS activity that would require entry into AP/21 (RCS Activity)?

A. Xe-I 33 = 0.25 pCi/gm B. Xe-I 33 = 1 .0 pCi/gm C. DEl = 0.25 pCi/gm D. DEl = 1 .0 pCi/gm Page 68 of 75

Oconee Nuclear Station Question:

69 1LT45 ONSRONRCExamination (1 point)

Given the following Unit I conditions:

Time = 0000

Unit shutdown in progress

Reactor power = 2.5% decreasing Time = 2300

RCS Tave = 240°F decreasing

1) At 0000, the reactor is in MODE (1)

2) At 2300, the reactor is in MODE (2)

Which ONE of the following completes the statements above?

A. 1.1

2. 4 B. 1.1

2. 5 C. 1.2

2. 4 D. 1.2

2. 5 Page 69 of 75

Oconee Nuclear Station Question:

70 1LT45 ONSRONRCExamination (1 point)

Given the following Unit I conditions:

Reactor power = 100%

Group 3 Rod 6 drops into the core

Rod cannot be recovered Which ONE of the following describes action(s) required and the associated MAXIMUM completion time(s) in accordance with TS 3.1.5 (Safety Rod Position Limits)?

A. Verify SDM within 1 hour1.157407e-5 days 2.777778e-4 hours 1.653439e-6 weeks 3.805e-7 months ONLY B. Verify SDM within 30 minutes ONLY C. Verify SDM within 1 hour1.157407e-5 days 2.777778e-4 hours 1.653439e-6 weeks 3.805e-7 months AND reduce reactor power to less than 60%

within 1 hour1.157407e-5 days 2.777778e-4 hours 1.653439e-6 weeks 3.805e-7 months D. Verify SDM within 30 minutes AND reduce reactor power to less than 60%

within 1 hour1.157407e-5 days 2.777778e-4 hours 1.653439e-6 weeks 3.805e-7 months Page 70 of 75

Oconee Nuclear Station Question:

71 1LT45 ONSRONRCExamination (1 point)

Given the following Unit 1 conditions:

Reactor power = 100%

Which ONE of the following describes a condition that would require entry into a Tech Spec ACTIONS table?

A. UST level =7.6 feet B. Pressurizer= 291 inches C. ID RPS channel in Manual bypass D. 230KV Dacus Black and White lines isolated Page 71 of 75

Oconee Nuclear Station Question:

72 1LT45 ONS RO NRC Examination (1 point)

Given the following Unit 1 conditions:

Reactor in MODE 5

Reactor Building Main Purge in operation Which ONE of the following will cause the RB Purge fan to trip?

A. Inadvertent actuation of ES Channel 5 B. 1 RIA-45 reaches HIGH alarm setpoint C. Suction piping pressure = 5 inches of water vacuum D. I PR-3 (RB PURGE CONTROL) 5% open Page 72 of 75

Oconee Nuclear Station Question: 73 1LT45 ONSRONRCExamination (1 point)

An RWP that you are preparing to work under states that the highest dose rate in a particular area (at 30 cm) is 325 mR/hr. When you arrive at the work site, a flashing yellow light is noted in the entry path to the area.

1. How would an area with the dose rate specified in the RWP be designated?

2. What is the significance of the flashing yellow light?

A. 1. Radiation Area

2. Radiography is in progress B. 1. High Radiation Area

2. Radiography is in progress C. 1. Radiation Area

2. The area has been designated as a Locked High Radiation Area D. 1. High Radiation Area

2. The area has been designated as a Locked High Radiation Area Page 73 of 75

Oconee Nuclear Station Question: 74 1LT45 ONSRONRCExamination (1 point)

Given the following Unit 1 conditions:

Initial conditions:

Time =0400

CTPB = 75% stable

1A HPI pump operating

Transient occurs Current conditions:

Time =0405

CTPB = 76% stable

Letdown Flow = 78 gpm stable

HPI Flow Train A= 176 gpm decreasing slowly In accordance with OMP 1-18 (Implementation Standard During Abnormal and Emergency Events) at 0405:

1) Unit 1 (1) considered stable.

2) RCS makeup flow (2) within normal makeup capability.

Which ONE of the following completes the statements above?

A. 1.is

2. is B. 1.is

2. is NOT C. 1. is NOT

2. is D. 1. is NOT

2. is NOT Page 74 of 75

Oconee Nuclear Station Question: 75 1LT45 ONSRONRCExamination (1 point)

1) The emergency facility that assumes responsibility for communications with offsite Agencies, including the NRC once it is activated, is the (1)

2) The lowest classification level that requires this facilitys activation is a/an (2)

Which ONE of the following completes the statements above?

A. 1. Technical Support Center (TSC)

2. Alert B. 1. Technical Support Center (TSC)

2. Site Area Emergency C. 1. Operations Support Center (OSC)

2. Alert D. 1. Operations Support Center (OSC)

2. Site Area Emergency Page 75 of 75

Reference Listfor: 1LT45 ONS RO NRC Examination OP/1106/OO1 End. 4.5 Printed 5/15/2014 1 :25:44 PM

Examination KEYfor: 1LT45 ONS RO NRC Examina Question Answer Number I B 2 A 3 B 4 D 5 D 6 B 7 D 8 C 9 B 10 C 11 B 12 D 13 C 14 B 15 D 16 B 17 B 18 A 19 C 20 C 21 B 22 C 23 D 24 B 25 C Printed5/15/2014 10:19:54AM Page 1 of3

Examination KEYfor: IL T45 ONS RO NRC Examina Question Answer Number 26 D 27 B 28 A 29 D 30 B 31 B 32 B 33 D 34 B 35 A 36 A 37 B 38 D 39 D 40 C 41 C 42 C 43 B 44 D 45 D 46 A 47 C 48 B 49 D 50 B Printed 5/15/2014 10:19:54AM Page 2 of3

Examination KEYfor: 1LT45 ONS RO NRC Examina Question Answer Number 51 A 52 A 53 D 54 D 55 B 56 A 57 D 58 A 59 A 60 D 61 D 62 D 63 A 64 D 65 A 66 B 67 C 68 C 69 C 70 A 71 B 72 B 73 D 74 C 75 A Printed5/15/2014 10:19:54AM Page 3 of3

ML14174A885

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