DCL-21-017, DC-2021-01 Post Exam Comments Analysis
| ML21075A080 | |
| Person / Time | |
|---|---|
| Site: | Diablo Canyon  |
| Issue date: | 02/12/2021 |
| From: | James Smith Pacific Gas & Electric Co |
| To: | Division of Reactor Safety IV |
| References | |
| DCL-21-017 | |
| Download: ML21075A080 (21) | |
Text
High Miss Questions RO Question #3 Correct Answer - A selected by 8 of 20 (40%)
11 selected C.
1 selected B.
- 1) All Pressurizer Hot Cal level indications on VB2, ___________ designated as Post Accident Monitoring instrumentation.
- 2) During an accident, if adverse containment conditions exist, the required Pressurizer level for SI termination, is __________________ the non-adverse containment value.
A. 1) are
- 2) higher than B. 1) are
- 2) unchanged from C. 1) are NOT
- 2) higher than D. 1) are NOT
- 2) unchanged from Question is valid. The material is covered in license class. Most knew the expected response (higher than) for SI termination if there is adverse containment. The instruments that are PAM are identified on the boards in the Control Room. The importance of PAM instrumentation is a stressed part of the program, however, which instruments are PAM, from memory, is not generally a highly stressed item during the program.
Included for program evaluation on SAPN 51108054
RO Question 23 Correct answer A selected by 9 of 20 (45%)
8 selected D 2 selected B 1 selected C Unit 1 is at 100% power.
Initial and current conditions for Battery Charger 1-1 and Battery 1-1 are indicated below:
Initial Conditions Current Conditions What caused the current conditions?
A. opening the input breaker to DC bus 1-1 B. a loss of 480 VAC bus H C. placing the battery on equalizing charge D. opening the battery charger DC output breaker to bus 1-1 Question and answer are valid, all others are incorrect. The subtle difference of loss of battery charger versus loss of DC bus coupled with the isolated indication given, (there would be multiple indications associated with the loss of DC) caused some confusion with the question. This will be captured in the post exam SAPN for evaluation if there are future classes.
Included for program evaluation on SAPN 51108054
SRO Question 83 2 of 5 (40%)
Correct answer - B (2 of 5) 2 selected A 1 selected D Unit 1 is at 100% power.
At 1620, fire alarms for Containment are received in the Control Room. At 1630 the alarm is confirmed and the fire is continuing.
The Shift Manager declared an Unusual Event per HU4.1 at 1636 hours0.0189 days <br />0.454 hours <br />0.00271 weeks <br />6.22498e-4 months <br />.
The declaration of HU4.1 was:
A. accurate and timely.
B. accurate but not timely.
C. timely but not accurate.
D. not accurate. The fire does not meet declaration criteria at this time.
Question is valid and answer is correct. Incorrect time used by those that missed it. Will be included in post exam SAPN for evaluation if there are future classes.
Included for program evaluation on SAPN 51108054
SRO Question 97 2 of 5 (40%)
Correct answer - D (2 of 5) 3 selected C In accordance with MA1.ID26, Troubleshooting:
- 1) Operator diagnostics such as alarm response and instrumentation validation __________
require entry into MA1.ID26.
- 2) Level A troubleshooting, (troubleshooting activities with high risk) shall be approved by the A. 1) do
- 2) Shift Foreman B. 1) do
- 2) Shift Manager C. 1) do NOT
- 2) Shift Foreman D. 1) do NOT
- 2) Shift Manager Question is valid and answer is correct. All knew the troubleshooting did not require entry into the procedure. The weakness was in who approves the troubleshooting. This is part of the in plant time and the procedure is covered.
Included for program evaluation on SAPN 51108054
Time Name Ques # Question Response Is the number here (part 1) in answer based on the question and 0818 17 relation to cavitation? information given.
read answer (A) input breaker to DC bus 1-0845 23 Is this the DC to the inverter?
1 read question statement - over the last 50 0855 44 is the 50 seconds from now?
seconds are we supposed to use our answer based on the question and 0859 31 thumbrules? (ie boron worth) information given. What is the concern?
the event started 50 seconds 0908 44 read question, over the last 50 seconds ago?
NRC Exam 02/12/2021 Applicant 1 2 3 4 5 6 7 8 9 10 RO-1 X C C X X X X X X X RO-2 X C X X X X X X A X RO-3 X X B X B X X X X X RO-4 X X C X X X X X X X RO-5 X X X X X X X X X X RO-6 X X C X C X X X B X RO-7 X X C X X X X X X X RO-8 X X X X X X X X X X RO-9 X X C X B X X X X X RO-10 X X X X X X X X X X RO-11 X C C C X D X X X X RO-12 X X C X X X X X X X RO-13 X X C X B B X X X X RO-14 X X C X X X X X X X RO-15 X X C X X X X X X X SRO-1 X A X X X X X X X X SRO-2 X X C X X A X X X A SRO-3 X X X X X X X X X X SRO-4 X X X X X X X X X X SRO-5 X X X X X X X X X X ANSWER B B A D D C C B D B 100.00% 80.00% 40.00% 95.00% 80.00% 85.00% 100.00% 100.00% 90.00% 95.00%
NRC Exam 02/12/2021 Applicant 11 12 13 14 15 16 17 18 19 RO-1 X X X X X X X X X RO-2 X X X X X X X X X RO-3 X X X X X X X X X RO-4 X X X X X X X X X RO-5 X X X X X X C X X RO-6 X X B X X X X B X RO-7 X X X X X X X X X RO-8 X X X X X X X X X RO-9 X X X X X X X X X RO-10 X X X X X X X X X RO-11 X X X X X X A X A RO-12 X X X X X X X X X RO-13 X X X X X X X X X RO-14 X X X X X X X X X RO-15 X X X X X X C X X SRO-1 X X X X X X X X X SRO-2 X X D X X X X X X SRO-3 X X X X X X X X X SRO-4 X X X X X X X X X SRO-5 X X X X X X C X X ANSWER A B D A C C D A C 100.00% 100.00% 90.00% 100.00% 100.00% 100.00% 80.00% 95.00% 95.00%
NRC Exam 02/12/2021 Applicant 20 21 22 23 24 25 RO-1 X X X X X X RO-2 X X X D X X RO-3 X X X X X X RO-4 X X X D X X RO-5 X X X X X X RO-6 X X X D X X RO-7 X X X B X X RO-8 X X X C X X RO-9 X X X D X X RO-10 X X X D X X RO-11 X X X X X X RO-12 X X X X X X RO-13 X X X X X X RO-14 X X X B X X RO-15 X X X D X X SRO-1 X X X X X X SRO-2 X X X X X X SRO-3 X X X X X X SRO-4 X X X D X X SRO-5 X X X D X X ANSWER A D C D D D 100.00% 100.00% 100.00% 45.00% 100.00% 100.00%
NRC Exam 02/12/2021 Applicant 26 27 28 29 30 31 32 33 34 RO-1 X D X X X X A X X RO-2 X X A X X X X X D RO-3 X X X X X B X X X RO-4 X X X X X X X X X RO-5 X X X X X X X X D RO-6 X X X C X X X X D RO-7 X X X X X X X X X RO-8 X X X X X D X X X RO-9 X X X X X D X X X RO-10 X X X C X D X X X RO-11 X X X X X X X X X RO-12 X X X X X X X X X RO-13 X X X X X X X X D RO-14 X X X X X X A X D RO-15 X X X X X X X X X SRO-1 X X X X X X X X X SRO-2 X X X X X D X X X SRO-3 X X X X X X X X X SRO-4 X X X X X X X X X SRO-5 X X X C X X X X X ANSWER C B D A A A C D C 100.00% 95.00% 95.00% 85.00% 100.00% 75.00% 90.00% 100.00% 75.00%
NRC Exam 02/12/2021 Applicant 35 36 37 38 39 40 41 42 43 RO-1 B X X C X X X D X RO-2 X X X X X X X X X RO-3 B X X X X X X X X RO-4 C X X X X X X X X RO-5 X X X X X X X X X RO-6 B X X C X X X X X RO-7 X X X X X X X X X RO-8 X X X X X X X X X RO-9 B X X X X X X X X RO-10 X X X D X X X X X RO-11 X X X X X X X X X RO-12 X X X X X X X X X RO-13 B X X X X X X X X RO-14 X X X X X X X X X RO-15 X X X X X X X X X SRO-1 X X X X X X X X X SRO-2 B X X X X X X X X SRO-3 X X X X X X X X X SRO-4 X X X X X X X X X SRO-5 X X X X X X X X X ANSWER A A C A C B D C B 65.00% 100.00% 100.00% 85.00% 100.00% 100.00% 100.00% 95.00% 100.00%
NRC Exam 02/12/2021 Applicant 44 45 46 47 48 49 50 RO-1 X X X X X X X RO-2 X X X X X X X RO-3 X X X X D X X RO-4 X X X X X X X RO-5 A X X X X X X RO-6 X X X X X X X RO-7 X X X X D X X RO-8 X X X X X X X RO-9 X X X X X X X RO-10 X X X X X X X RO-11 X X X X X X X RO-12 X X X X X X X RO-13 X X X X X X X RO-14 X X X X X X X RO-15 X X X X X X X SRO-1 X X X X X X X SRO-2 X X X X X X X SRO-3 X X X X X X X SRO-4 X X X X X X X SRO-5 X X X A X X X ANSWER C A A B C D B 95.00% 100.00% 100.00% 95.00% 90.00% 100.00% 100.00%
NRC Exam 02/12/2021 Applicant 51 52 53 54 55 56 57 58 59 RO-1 X X X X D X X X X RO-2 X X X X D X X X X RO-3 X X X X X X X X X RO-4 X X A X X X X X X RO-5 X X X X X X X X X RO-6 X X X X X X X X X RO-7 X X X X X X X X X RO-8 X X X X X X X X X RO-9 X X X X X X X X X RO-10 X X X X X X X X X RO-11 X X D X X X X D X RO-12 X X X X X X X X X RO-13 X X X X X X X D A RO-14 X X X X X X X X A RO-15 X X X X X X X X X SRO-1 X X X X X D X X X SRO-2 X X X X X D X X X SRO-3 X X X X X X X X X SRO-4 X X X X X X X X X SRO-5 X X X X X X X X X ANSWER D A C B B B C C D 100.00% 100.00% 90.00% 100.00% 90.00% 90.00% 100.00% 90.00% 90.00%
NRC Exam 02/12/2021 Applicant 60 61 62 63 64 65 66 67 68 RO-1 X X X B X X X C X RO-2 X X X A X X X X X RO-3 X X X X X X X X X RO-4 X X X X X X X X X RO-5 X X X X X X X X X RO-6 X X X X X X X X X RO-7 X X X X X X X X X RO-8 X X X X X X X X X RO-9 X X X X X X X X X RO-10 X X X X X X X X X RO-11 X B X X X X X X X RO-12 X X X X X X X X X RO-13 X X X X X X X X X RO-14 X X X X X X X X X RO-15 X X X X X X X X X SRO-1 X X X X X X X X X SRO-2 X X X X X X X X X SRO-3 X X X X X X X X X SRO-4 X X X X X X X X X SRO-5 X X X X B X X X X ANSWER A D D D A A A B D 100.00% 95.00% 100.00% 90.00% 95.00% 100.00% 100.00% 95.00% 100.00%
NRC Exam 02/12/2021 Applicant 69 70 71 72 73 74 75 RO-1 X X X X X X X RO-2 X X X X X X X RO-3 X X X X X X X RO-4 X X D X X X X RO-5 X X X X X X X RO-6 X X X X X X X RO-7 X X X X X X X RO-8 X X X X X X X RO-9 X X X X X X X RO-10 X X X X X X X RO-11 X X X X X X X RO-12 X X X X X X X RO-13 X X D X X X X RO-14 X X X X X X X RO-15 X X X X X X X SRO-1 X X X X X X X SRO-2 X X X X X X X SRO-3 X X X X X X X SRO-4 X X X X X X X SRO-5 X X X X X X X ANSWER C C C C D A B 100.00% 100.00% 90.00% 100.00% 100.00% 100.00% 100.00%
NRC Exam 02/12/2021 Applicant 76 77 78 79 80 81 82 83 84 RO-1 X RO-2 X RO-3 X RO-4 X RO-5 X RO-6 X RO-7 X RO-8 X RO-9 X RO-10 X RO-11 X RO-12 X RO-13 X RO-14 X RO-15 X SRO-1 X X X X X X X D X SRO-2 X X X X X X X A X SRO-3 X X X X X X X A X SRO-4 X X X X X X X X X SRO-5 X X X X C X X X X ANSWER C D D C A B B B D 100.00% 100.00% 100.00% 100.00% 80.00% 100.00% 100.00% 40.00% 100.00%
NRC Exam 02/12/2021 Applicant 85 86 87 88 89 90 91 92 93 RO-1 RO-2 RO-3 RO-4 RO-5 RO-6 RO-7 RO-8 RO-9 RO-10 RO-11 RO-12 RO-13 RO-14 RO-15 SRO-1 X X X X X X X X X SRO-2 X X X X X X X X X SRO-3 X X X X X X X X X SRO-4 X D X X X X X X X SRO-5 X D X X X A X X X ANSWER A C B D A B D B A 100.00% 60.00% 100.00% 100.00% 100.00% 80.00% 100.00% 100.00% 100.00%
NRC Exam 02/12/2021 Applicant 94 95 96 97 98 99 100 RO-1 RO-2 RO-3 RO-4 RO-5 RO-6 RO-7 RO-8 RO-9 RO-10 RO-11 RO-12 RO-13 RO-14 RO-15 SRO-1 X X X C X X X SRO-2 X X X C X X X SRO-3 X X X C X X X SRO-4 X X X X X X X SRO-5 X X X X X X X ANSWER B B A D A A C 100.00% 100.00% 100.00% 40.00% 100.00% 100.00% 100.00%