Text

04 Post Examination Analysis
	ML22133A292
Person / Time
Site:	Arkansas Nuclear
Issue date:	04/13/2022
From:	Heather Gepford; Operations Branch IV
To:	; Entergy Operations
References
	1CAN042202
	Download: ML22133A292 (8)
	v • d • e

) entergy 1CAN042202 April 19, 2022 ATTN: Clyde Osterholtz, Chief Examiner Operations Branch Division of Reactor Safety U.S. Nuclear Regulatory Commission 1600 E. Lamar Blvd Arlington, TX 76011-4511 Frederes, Ralph Jay Manager, Training Arkansas Nuclear One Tel 479-858-4175 10 CFR 55.40(b)(3)

Subject:

Initial Examination - Completion of Post-Examination Analysis and Transmittal of final examination materials for ANO, Unit 1 (B&W)

Arkansas Nuclear One - Unit 1 NRC Docket No. 50-313 Renewed Facility Operating License No. DPR-51 Contained in this transmittal are the post-examination materials as required per NU REG 1021 Rev. 12 for Arkansas Nuclear One Unit 1 initial license examination administered during the week of April 4th, 2022 and the written exam administered on April 13th, 2022. Also enclosed is a copy of the examination security agreement that has been finalized.

We also request that all examination materials related to the ANO Unit 1 2022 NRC Operator License Examinations be withheld from public disclosure for a period of two years from this date.

Should you have any questions or require additional information, please contact Kenny Smith Sr. Staff Operations Instructor at (479) 858-6825.

There are no new commitments contained in this submittal.

Entergy Operations, Inc. 1448 SR 333, Russellville, AR 72802

2022 AN0-1 NRC Exam Administered April 13, 2022 RO Final Written Examination Analysis The threshold for determination of questions to be analyzed was a percentage of greater than 50% incorrect responses. We also analyzed other questions based on candidate feedback following the examination.

9/13 total candidates incorrect (69.2%}

Nine chose "B". The correct answer is "A".

This question asks what action is taken first in OP-1203.015, Pressurizer Systems Failure for a degrading pressurizer level instrument. The correct answer "A" states to manually select the good level transmitter. Distractor B states to place CV-1235, Pressurizer Level Control Valve in Hand. This question is valid as written. No change to the key was made. The question is technically correct as written, with no construction problems. We will be performing training needs analysis on this question.

8/13 total candidates incorrect (61.5%)

Five chose "B", three chose "C". The correct answer is "D".

This question asks given a set of parameters on a Hydrogen Recombiner that indicate it is degraded, what must be performed in accordance with OP-1104.031, Containment Hydrogen Control, and what Hydrogen percentage is the maximum. The correct answer "D" states place the standby Hydrogen Recombiner in service and maximum hydrogen concentration is 3.0%. Distractor B states to raise the operating Hydrogen Recombiner KW by 4 KW with also 3.0% hydrogen max. Distractor "C" states to place the standby Hydrogen Recombiner in service but has the incorrect max hydrogen concentration of 2.0%. This question is valid as written. No change to the key was made. The question is technically correct as written, with no construction problems.

We will be performing training needs analysis on this question.

71 10/13 total candidates incorrect (76.9%}

Six chose "C", three chose "D", one chose "B". The correct answer is "A".

This question asks what at what power level on Intermediate Range monitors can the Point of Adding Heat (POAH) be expected and what is the maximum startup rate.

The correct answer "A" states the POAH can be expected at 4e-8 amps and max SUR is 0.5 dpm. Distractor "C" has the correct max SUR but incorrect power level. Distractor "D" has the incorrect max SUR and incorrect power level. Distractor "B" has the incorrect max SUR. This question is valid as written. No change to the key was made.

The question is technically correct as written, with no construction problems. We will be performing training needs analysis on this question.

2022 AN0-1 NRC Exam Administered April 13, 2022 SRO Final Written Examination Analysis The threshold for determination of questions to be analyzed was a percentage of greater than 50% incorrect responses. We also analyzed other questions based on candidate feedback following the examination.

3/6 SRO candidates incorrect (50.0%)

Three chose "B". The correct answer is "A".

This question asks what RT must be performed to ensure secondary heat removal given a set of indications of NNIX and NNIY. The correct answer "A" is RT-5, Proper EFW Actuation and control verification. Distractor "B" is RT-6 Proper MSLI and EFW Actuation and control verification. This question is valid as written. No change to the key was made. The question is technically correct as written, with no construction problems. We will be performing training needs analysis on this question.

82 3/6 SRO candidates incorrect (50.0%)

Two chose "A", one chose "C". The correct answer is "B".

This question asks given a set of Nuclear Instrument readings, what actions are required per OP-1203.021, Loss of Neutron Flux. The correct answer "B" states to suspend positive reactivity additions and open all CRD breakers. Distractor "A" states to insert all control rods in sequence. Distractor "C" states to verify SOM to be within the limit provided in the COLR. This question is valid as written. No change to the key was made. The question is technically correct as written, with no construction problems. We will be performing training needs analysis on this question.

95 5/6 SRO candidates incorrect (83.3%)

Five chose "C". The correct answer is "D".

This question asks how long the reactor must be subcritical prior to moving fuel and who grants permission. The correct answer "D" states reactor must be subcritical for 100 hrs and permission is granted by both the Reactor Engineer and the SRO in charge of fuel handling. Distractor "C" has the correct time of 100 hrs but the Shift Manager as being the one who grants permission. This question is valid as written. No change to the key was made. The question is technically correct as written, with no construction problems. We will be performing training needs analysis on this question.

96 3/6 SRO candidates incorrect (50.0%)

Two chose "D", one chose "B". The correct answer is "C".

This question asks what is the Shift Manager's responsibility for troubleshooting plans. The correct answer "C" states the SM determines the troubleshooting determination level based on risk significance. Distractor "D" states the SM ensures the troubleshooting plan is followed and documentation is accurate and thorough. Distractor "B" states the SM determines if a Failure Modes Analysis (FMA) is required for troubleshooting. This question is valid as written. No change to the key was made. The question is technically correct as written, with no construction problems. We will be performing training needs analysis on this question.

2022 AN0-1 NRC Exam Administered April 13, 2022 3/6 SRO candidates incorrect (50.0%)

Three chose "C". The correct answer is "D".

This question asks the lowest level of event classification that requires activation of the TSC and who assumes command and control of the TSC. The correct answer "D" states the event level is Alert and the Emergency Plant Manager assumes command and control of the TSC. Distractor "C" is also Alert level, but incorrectly states the Emergency Director assumes command and control of the TSC. This question is valid as written. No change to the key was made. The question is technically correct as written, with no construction problems. We will be performing training needs analysis on this question.

2022 IL T NRC Exam Analysis RO SRO Student Key Name Rl R2 R3 R7 RS R4 RO Ul U4 U3 U2 us U6 SRO CQmbined R6 Average Average Average

%MISSED Overall Score 67 65 61 63 65 69 64 83 85 84 90 90 89 Overall Total 75 75 75 75 75 75 75 86.4%

100 100 100 100 100 100 86.8%

86.6%

Overall Percentage 89.3%

86.6%

81.3%

84.0%

86.6%

92.0%

85.3%

83.0%

85.0%

84.0%

90.0%

89.0%

SRO Only Score 19 20 19 23 20 23 SRO Only Total 25 25 25 25 25 25 82.7%

SRO Only Percentage 76.0%

80.0%

76.0%

92.0%

80.0%

92.0%

TIME (hrs:mln) 3:21 5:39 4:34 3:24 3:41 4:34 4:08 4:11 4:26 3:51 3:32 4:21 4:29 4:52 4:.15 Q l D

D D

D Q2 C

C C

C Q3 A

A A

A Q4 C

C C

C QS D

D D

C D

D D

C 15.4%

Q6 D

C C

D A

D D

D 23.1%

Q7 A

A A

B A

A A

A 8

A A

A 15.4%

QS C

C C

C Q9 C

A C

C C

C 7.7%

QlO C

C C

C Q11 A

A A

A Q12 C

C C

C 8

C C

C 7.7%

Q13 D

D D

C D

D D

D 7.7%

Q14 A

A A

A QlS A

D A

A A

C C

D 30.8%

Q16 C

C C

C D

D D

C C

A C

D C

C 38.5%

Q17 B

8 8

8 B

B B

B Q18 C

C 8

C B

8 C

C C

C 23.1%

Q19 B

8 B

B 8

B A

8 B

B B

B 7.7%

Q20 A

A 8

A B

B A

B B

A B

B 69.2%

Q21 B

A B

B B

D 15.4%

Q22 D

D D

D A

A A

D D

A A

D D

D 38.5%

Q23 C

C 8

D C

C C

B B

C B

C C

D 46.2%

Q24 D

D D

D 8

D D

B D

D D

D 15.4%

Q2S A

D A

A A

A 7.7%

Q26 A

A A

D A

A A

A 30.8%

Q27 B

B B

B Q28 B

B B

e B

B B

B Q29 C

C C

C D

C C

C 7.7%

Q30 A

A A

B A

A A

A 7.7%

Q31 C

C C

C Q32 A

A A

A Q33 D

D D

D Q34 B

B B

e e

B B

B Q35 C

C C

C Q36 B

B B

B Q37 D

D D

D Q38 A

A A

A

RO SRO Student Key

~o Name Ul U4 U3 U2 us U6 SRO Combined R6 Rl R2 R3 R7 RS R4 Average Average Average

%MISSED Overall Score 67 65 61 63 6S 69 64 83 85 84 90 90 89 Overall Total 75 75 75 75 75 75 75 86.4%

100 100 100 100 100 100 86.8%

86.6%

Overall Percentage 89.3%

86.6%

81.3%

84.0%

86.6%

92.0%

85.3%

83.0%

85.0%

84.0%

90.0%

89.0%

SRO Only Score 19 20 19 23 20 23 SRO Only Total 25 25 25 25 25 25 82.7%

SRO Only Percentage 76.0%

80.0%

76.0%

92.0%

80.0%

92.0%

Q39 C

C C

A C

C C

A C

C C

C 15.4%

Q40 D

D D

D Q41 B

B B

B Q42 B

B B

B Q43 8

B B

A B

B B

B 7.7%

Q44 D

D D

D C

D D

D 7.7%

Q45 D

D D

D C

D D

B D

D 15.4%

Q46 B

B B

B Q47 D

D D

A D

D D

D 7.7%

Q48 B

B B

C B

B B

B 7.7%

Q49 A

A C

A A

A B

A D

A A

D 30.8%

QSO B

B B

A B

B B

D 23.1%

Q51 D

C D

D D

D 15.4%

QS2 C

C D

C C

D C

C 15.4%

QS3 B

B B

B Q54 A

A A

B A

A A

A 7.7%

QSS D

D C

C D

D D

D C

C C

C D

D 46.2%

QS6 D

D C

B D

D D

D B

B C

B B

C 61.5%

QS7 B

B B

B QSB D

D D

D C

D D

D A

D 15.4%

Q59 B

B B

A B

B C

B B

B 23.1%

Q60 A

B A

B C

B A

A A

A 0

A 38.5%

Q61 B

B B

B Q62 A

A A

A B

A A

A 7.7%

Q63 B

B B

B Q64 D

D C

B C

0 D

D D

D 23.1%

Q65 C

C C

C Q66 C

C C

A C

C 7.7%

Q67 B

B B

D B

B B

B 7.7%

Q68 C

C C

C Q69 C

C C

B B

A C

C C

C D

C C

C 30.8%

Q70 A

A A

A D

A A

A 7.7%

Q71 A

C C

C D

A D

B C

C D

A A

C 76.9%

Q72 A

A A

A C

A A

D A

A A

A 15.4%

Q73 C

C C

A C

B C

C 15.4%

Q74 D

D D

D Q75 A

A A

A B

A A

A 7.7%

Q76 D

D D

Q77 A

A A

C A

A A

16.. 7%

Q78 D

D D

Q79 B

A B

B B

16.7%

RO SRO Student Key Name R6 Fil R2 R3 R7 RS R4 RO Ul U4 U3 U2 us U6 SRO Combined Average Average Average

%MISSED Overall Score 67 65 61 63 65 69 64 83 85 84 90 90 89 Overall Total 75 75 75 7S 75 75 75 86.4%

100 100 100 100 100 100 86.8%

86.6%

Overall Percentage 89.3%

86.6%

81.3%

84.0%

86.6%

92.0%

85.3%

83.0%

85.0%

84.0%

90.0%

89.0%

SRO Only Score 19 20 19 23 20 23 SRO Only Total 25 25 25 25 25 25 82.7%

SRO Only Percentage 76.0%

80.0%

76.0%

92.0%

80.0%

92.0%

Q80 A

B B

B A

A A

50.0%

Q81 B

B B

Q82 B

A A

B B

C B

50.0%

Q83 D

D D

Q84 D

D D

C D

D D

16.7%

Q85 B

B B

Q86 C

C C

D C

16.7%

Q87 B

B B

Q88 A

A A

C A

16.7%

Q89 A

A A

Q90 C

C C

Q91 C

C C

Q92 C

B C

C C

16.7%

Q93 B

D B

B B

16.7%

Q94 A

A A

Q9S D

C C

D C

83.3%

Q96 C

C C

C D

B D

50.0%

Q97 C

C D

D C

C C

33.3%

Q98 D

D D

Q99 D

D C

C D

50.0%

QlOO A

A A

2022 ILT NRC GFES ONLY Exam Analysis RO SRO Student Key Name R6 R2 R3 R7 RS R4 RO Ul U4 U3 U2 us U6 SRO Combined Rl Average Average Average

%MISSED Overall Score 5

5 5

4 6

4 s

4 3

5 s

6 5

Overall Total 6

6 6

80.9%

6 6

77.8%

79.5%

Overall Percentage 83.3%

83.3%

66.6%

100.0%

66.6%

83.3%

66.6%

50.0%

83.3%

100.0%

83.3%

Q70 A

A A

A D

A A

A 7.7%

Q71 A

C C

C D

A D

8 C

C D

A A

C 76.9%

Q72 A

A A

A C

A A

D A

A A

A 15.4%

Q73 C

C C

A C

8 C

C 15.4%

Q74 D

0 D

D 0

D D

D Q75 A

A A

A 8

A A

A 7.7%

ML22133A292

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