ML112500068

Diablo Canyon-2011-07-Notification of NRC Initial Operator Licensing Examination, 05000275-11-301; 05000323-11-301: Post Exam Material

ML112500068
Person / Time
Site:	Diablo Canyon
Issue date:	07/25/2011
From:	Welsch J M Pacific Gas & Electric Co
To:	Apger G W NRC Region 4
References
50-275/11-07, 50-323/11-07, DCL-11-087, IR-11-301
Download: ML112500068 (36)

See also: IR 05000275/2011301

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TEST ITEM ANALYSIS WORKSHEET -

L091 NRC Analysis Results

1 - Poorly Written Question

2 - Excessive Dificulty

3 - Knowledge Weakness

4 - Open Ref Question

5 - Poor Test Taking Skills

6 - Poor Job Validity Question

7 - Outdated/Invalid Question

50% Re q uires Anal

y sis 1 C CCCCCCDCCCCCCCCCCCCCC

95%1 2 B BBBBBBBBBBBBBBBBBBBAB

95%2 3 A AAAAABAAAAAAAAAAABABA

86%3 4 BCBABBBBBBBBBABBBBBBBA

81%4 5 D DDDDDDDDDDDDDDDDDDDDD

100%5 6 BABCBBABDBAABBABBBABAB

57%6 7 BBDBBBBBBBBBBBBBBBBBBB

95%7 8 D DDDDDCDDDDDDDDDDDDDDC

90%8 9 CACCCBCCCDCCCACCACDCCC

71%9 10 A AAAAAAAAABAAABAAAAABA

86%10 11 D DDDDDDDDDDDDDDDDDDDDD

100%11 12 ABADAABAADDDAADAADCAAA

57%12 13 DDBDADDDADDBADDDDDDDDD

76%13 14 A AAAAAAAAAAAAAAAAAAAAA

100%14 15 A AAAAAAAAAAAAAAAAAAABA

95%15 16 DDDCDDDBDCBDCCCCCDCCDC

43%16 17 A AAAAAABAAAAAABAAABAAA

86%17 18 CCCCCCCCCCCCACCCCCCCCC

95%18 19 CCCCCCCCCCCCCCACACCCDC

86%19 20 B BBBABBBBBBBBBBBBBBBBB

95%20 21 D DDDDDDDDDDCDDDDDDDDDD

95%21 22 C CCCCCCCCCCCCCCCCCCCCC

100%22 23 CCCCCCCCCCDCCCCCCCCBBB

81%23 24 CDDDCDADDDDDDDDCDCDCDD

19%24 25 CCCCCCCCCCCCCCCCCCACCC

95%25 26 CCCCCCCCCCCCCCDCBCCCCC

90%26 27 A AAAAAAAAAAAAAAAAAAAAA

100%27 28 AAAACAAAAAACAAAAAAAAAA

90%28 29 C CCCCCCCCCCCCDCCCCCCCC

95%29 30 DDDDDDCDDDDDBDDDDDDDDD

90%30 31 D DDDDDDDDDDDDDDDDDDDDD

100%31 32 BABBBBBBBBBBBDBCBBCBAC

71%32 33 CCCCCCCCCCCCCCCCCCBCCC

95%33 34 C CCCCCCCCCCCCCCCCCCCCC

100%34 35 DDDDDDACDDDDDDDDDDDDDD

90%35 36 B BBBBBBBBBBBBBBBBBBBBB

100%36 37 BBBBBBBBBBABBBBBBBBBBC

90%37 38 B BBBBBBBBBBBBBBBBBBBBB

100%38 39 A AAAAAAAAAAAAAAAAAAAAA

100%39 40 A AAAAAAAAAAAAAAAAAAAAA

100%40 41 CACCDCACCCCCCCCCDCDCDD

67%41 42 CBCCCCABCCCACCCCCCDCCA

71%42 43 DDDDDDBDDDDDDDDDDDDDDD

95%43 44 BBBBBBBCBBCBBBBBCCBBBB

81%44 45 C CCCCCCCCCCCCCCCCCCCCC

100%45 46 B BBBBBABBBBBBBBBBBBBBB

95%46 47 CACACCDBCCDCCCACCCCCBC

67%47Jeremy Cobbs (SRO)Charles Bowler (SRO)Henry Clardy (SRO)Brian Sawyer (RO)Darrell Johnson (SRO)

Adrion Van Beurden (S

R% CORRECTQUESTIONBill LaLone (SRO)Frank Lee (SRO)Shane Guess (SRO)Aaron Cortes (RO)John Clipperton (RO)Jacob Brancheau (RO)Mike Brown (RO)Bryan Galvan (SRO)Jim Knight (RO)Mike Lee (RO)Heather Lewis (SRO)Adam Peck (SRO)Josh Meade (RO)Lisa Upshaw (SRO)QUESTION CORRECT ANSWERBernie Buzzelli (RO)

1of3

TEST ITEM ANALYSIS WORKSHEET -

L091 NRC 1 - Poorly Written Question

2 - Excessive Dificulty

3 - Knowledge Weakness

4 - Open Ref Question

5 - Poor Test Taking Skills

6 - Poor Job Validity Question

7 - Outdated/Invalid Question

50% Re q uires Anal

y sisJeremy Cobbs (SR

OCharles Bowler (SR

OHenry Clardy (SROBrian Sawyer (RO

)Darrell Johnson (SR

O Adrion Van Beurden % CORRECTQUESTIONBill LaLone (SRO)Frank Lee (SRO)Shane Guess (SR

OAaron Cortes (RO)John Clipperton (R

OJacob Brancheau (R

OMike Brown (RO)Bryan Galvan (SR

OJim Knight (RO)Mike Lee (RO)Heather Lewis (SR

OAdam Peck (SRO)Josh Meade (RO)Lisa Upshaw (SROQUESTION CORRECT ANSWERBernie Buzzelli (R

O 48 DDDDDDBDCDDDDDDDDDDDAA

81%48 49 DDDDDDDDBDBDDDDDDDDDDD

90%49 50 D DDDDDDDDDDDDDDDDDDDCD

95%50 51 B BBBBABBBBBBBBBBBBBBBB

95%51 52 D DCCCDDDCDDDDCDDDDCCDD

67%52 53 DDDDDDCCDDDBDDDBDDCDCB

67%53 54 C CCCCCCCCCCCCCCCCCCCCC

100%54 55 DDDDDDDDDDADDDDDDDDDDA

90%55 56 A AAAAAAAAAAAAAAAAAAAAA

100%56 57 DDDBBDBBBDBDDDDDADDDDD

67%57 58 BACBCCCCCBCCBBBBBBCABB

48%58 59 DDDDDBDDDDDDDDDDDDDDDD

95%59 60 BBAABBDBBBBBBBBBABBBBB

81%60 61 DDDDDDDDDDDDDDDDDDDDAD

95%61 62 A AAAAAAAAAAAAABAAABAAA

90%62 63 BDBBBBBBBBCBBBBBBBBBDD

81%63 64 A AAAAAAAAAAAAAAAAAAAAA

100%64 65 ADAAAAAAAABACADDCAACCD

57%65 66 CCCBCCCCCCCCCCCCCCCCCC

95%66 67 A AAAAAAAAAAAAAAAAAAAAA

100%67 68 CAAACAAACCACCAAAACACDC

38%68 69 AAACAAAAAAABAAAABAAAAA

86%69 70 AAABAAAADAAAAAAAAAAADD

81%70 71 AAAAAABAADAAAAAAAAAABA

86%71 72 BDBDBDDBDDBDBDDDBDDDDD

29%72 73 BBBBDDDBBBBDBBBBBBBBBB

81%73 74 BBBBBBBBDBBBBBBBDBBBBB

90%74 75 B BBBBBBBBBBBBABBABBBBB

90%7581.3%90.7%81.3%89.3%89.3%

72.0%84.0%85.3%92.0%

78.7%84.0%92.0%86.7%82.7%92.0%81.3%96.0%

76.0%92.0%72.0%78.7%

84.6%5 Class Average (RO Exam)

Number 50% Correct (1-75)

2of3

TEST ITEM ANALYSIS WORKSHEET -

L091 NRC 1 - Poorly Written Question

2 - Excessive Dificulty

3 - Knowledge Weakness

4 - Open Ref Question

5 - Poor Test Taking Skills

6 - Poor Job Validity Question

7 - Outdated/Invalid Question

50% Re q uires Anal

y sisJeremy Cobbs (SR

OCharles Bowler (SR

OHenry Clardy (SROBrian Sawyer (RO

)Darrell Johnson (SR

O Adrion Van Beurden % CORRECTQUESTIONBill LaLone (SRO)Frank Lee (SRO)Shane Guess (SR

OAaron Cortes (RO)John Clipperton (R

OJacob Brancheau (R

OMike Brown (RO)Bryan Galvan (SR

OJim Knight (RO)Mike Lee (RO)Heather Lewis (SR

OAdam Peck (SRO)Josh Meade (RO)Lisa Upshaw (SROQUESTION CORRECT ANSWERBernie Buzzelli (R

O 76 BCCBBBBBBBBBB

83%76 77 BBCBBBBBBABBC

75%77 78 A AAAAAAAAAAAA

100%78 79 D CDDDDDDDDDDD

92%79 80 C CCCCCCCCDCCC

92%80 81 B BBBBBBBBBBBB

100%81 82 D DDDDDDDDDDDD

100%82 83 DDBDDDDDDADDD

83%83 84 DADDADDDDDDAD

75%84 85 C CCCCCDCCCCCC

92%85 86 C CCCCCCCCCCCC

100%86 87 AAAAAAACAAAAA

92%87 88 AABBDDBDBAADD

25%88 89 B BBBBBBBBBBBB

100%89 90 ABABAABAABBCB

42%90 91 DDDDBDDDDADDD

83%91 92 CACCCCCCCCCCD

83%92 93 BBBBBBBBBBBCB

92%93 94 DDDDDDDCDDDAD

83%94 95 B BBBBBBBBBBBB

100%95 96 ADBACCACAAACA

50%96 97 AACABACBAACCC

42%97 98 ACAAAAAAAAAAA

92%98 99 B BBBBBBBBBBBB

100%99 100 B BBBBBBBBBBBB

100%10072.0%76.0%92.0%80.0%92.0%84.0%80.0%96.0%80.0%92.0%72.0%80.0%83.0%77.0%82.0%92.0%85.0%85.0%90.0%81.0%96.0%

77.0%92.0%72.0%79.0%

84.0%49Total Questions 50% Correct

Class Ave (RO and SRO Exams)

Number 50% Correct (76-100)

Class Average (SRO Exam)

3of3

All NRC Written exam questions were re

viewed by the Training staff with the candidates. The following questions were missed by more than 50% of

the candidates and remediated with the class. Any additional actions are documented at the end of the

question.

Notification 50416268 written to capture the test item analysis and subsequent corrective actions.

16.

Unit 1 is at full power in a normal electric plant alignment.

A sudden power reduction on the 500 kV grid causes a small frequency oscillation to occur.

Which of the following will occur in response to the oscillation?

A. The Voltage Regulator will switch to MAN

UAL and operator action will be needed

to adjust generator frequency to 60 Hz.

B. Frequency will oscillate until

the operator takes the Vo

ltage Regulator to MANUAL to maintain generator frequency at 60 Hz.

C. The DEHC Load Loop will vary turbine load to dampen the oscillation.

D. The Power System Stabilizer will vary generator terminal voltage to dampen the

oscillation.

Missed by 57% (12 of 21)

9 selected the correct answer, D

10 selected answer C

2 selected answer B

Additional action: none

24.

Which of the following describes the sequence for stopping the ECCS CCPs and SI pumps in E-1.1, SI Termination?

A. Stop One ECCS CCP, realign charging, restore letdown; then stop both SI pumps

B. Stop both SI pumps, realign charging, rest

ore letdown; then stop one ECCS CCP

C. Stop one ECCS CCP; realign char

ging; then stop both SI pumps

D. Stop both SI pumps and one ECCS CCP; then

realign charging and restore letdown

Missed by 81% (17 of 21)

4 selected the correct answer, C

16 selected answer D

1 selected answer A

Additional action: Challenged by the utility. Refer to documentation.

58.

Which of the following is the maximum design core temperature that can be indicated by an Incore Thermocouple?

A. 1250°F

B. 2300°F

C. 4700°F

D. 5000°F

Missed by 52% (11 of 21)

10 selected the correct answer, B

9 selected answer C

2 selected answer A

Additional action: none, however, to

be clear, question needs to

state that it is core exit temperature, not core temperature.

68.

GIVEN: * Unit 1 is at full power

• Boron concentration is 150 ppm

Rod H-8 is discovered to be untrippable.

Which of the following describes the eff

ect, if any, on Shutdown Margin (SDM)?

A. No effect because one rod is already assumed to be stuck when calculating SDM.

B. SDM is less by 665 pcm.

C. SDM is less by 1236 pcm.

D. SDM is less by 1330 pcm.

Missed by 62% (13 of 21)

8 selected the correct answer, C

12 selected answer A

1 selected answer D

Additional action: none

72.

Unit 1 is at full power.

Power is lost to CCW radiation moni

tor, RM-17A and PK11-22, Rad Mon Sys Failure/CVI Bypass, alarms.

What action, if any, must be taken by the crew to maintain adequate sample flow through

RM-17B?

A. Verify CCW heat exchange

r 1-1 is in service.

B. Verify CCW heat exchange

r 1-2 is in service.

C. Place a second CCW heat exchanger in service.

D. No action required, there is adequate fl

ow through RM-17B with either heat exchanger in service.

Missed by 71% (15 of 21)

6 selected the correct answer, B

15 selected answer C

Additional action: challenged by utility. Refer to documentation.

88.

GIVEN: * The crew has just completed draining th

e RCS to 107 feet 8 inches, in accordance with OP A-2:III, Reactor Vessel - Draining to Half Loop/Half Loop Operations with Fuel in Vessel

• RCS temperature is stable

As the operator matches chargi

ng and letdown, RHR pump am

ps begin to rapidly swing approximately 10 amps, peak to peak.

Which of the following actions will be taken by the Shift Foreman?

A. Direct the operator

to immediately secure the running RHR pump and go to OP AP

SD-2, Loss of RCS Inventory.

B. Direct the operator

to immediately secure the running RHR pump and go to OP AP SD-5, Loss of Residual Heat Removal.

C. Direct the operator to incr

ease charging flow and raise le

vel to greater than 108 feet, if vortexing continues, secure the running RHR pump and

go to OP AP SD-2, Loss of

RCS Inventory

D. Direct the operator to incr

ease charging flow and raise le

vel to greater than 108 feet, if vortexing continues, secure the running RHR pump and

go to OP AP SD-5, Loss of Residual Heat Removal.

Missed by 75% (9 of 12)

3 selected the correct answer, A

4 selected answer B

5 selected answer D

Additional action: as test item enhancement, add indication of lowering RCS level.

96.

Under what condition may LCO 3.0.5 be used to restore inoperable equipment to service and what is the reason the LCO is used?

A. Demonstrating the OPERABILITY of the equipment, because the applicable LCO Required Action is not being met while the equipment is in service and not OPERABLE.

B. Performing corrective maintenance or troub

leshooting, because the applicable LCO Required Action is not being met while the equipment is in service and not OPERABLE.

C. Demonstrating the OPERABILITY of the equipment, because without the exception, the Required Action is to enter LCO 3.0.3.

D. Performing corrective maintenance or

troubleshooting, because without the

exception, the Required Acti

on is to enter LCO 3.0.3.

Missed by 50% (6 of 12)

6 selected the correct answer, A

1 selected answer B

4 selected answer C

1 selected answer D

Additional action: none.

97.

GIVEN: * Unit 1 is at full power

• Unit 2 is in MODE 3

• Control Room Ventilation Supply Fans

S-38 and S-40 are out of service

Control Room Ventilation Supply Fan S-36 trips.

Which of the following Required Actions, if any, must be taken?

A. No action required for either unit, LCO 3.7.10 is satisfied.

B. Unit 1 must enter LCO 3.7.10 Condition A. No Action required for Unit 2.

C. Both Unit 1 and Unit 2 must enter LCO 3.7.10 Condition A.

D. Both Unit 1 and Unit 2 must enter LCO 3.7.10 Condition B.

Missed by 58% (7 of 12)

5 selected the correct answer, A

2 selected answer B

5 selected answer C

Additional action: evaluate if position of

switches A-2 and D-2 should be added to

question setup.

L091 Exam Questions

07/08/2011

Time Name Number Question/Answer

1.

0820 Cortes 13

When it says "any other alarms" is that

at the inverter or PK's (control room)? Ans. PKs

2.

0855 Sawyer 32 Is RCS pressure lowering because the PORV is lowering (pressure) or is it

something else, such as AFW flow? Ans. Answer question based on the information given in the question.

3.

0855 Cortes 18 How close should I read the graph, interpolate, or round? Ans. Answer the

question using the graph as you would in the plant.

4.

0926 Lewis 31 "fails to close" does that mean the valve fails to close (as in the valve position) or fails to close as in its still open? Ans. The valve fails to close (open). 5.

0935 Peck 44 Lower setpoint, does that mean taki

ng the controller setpoint or the raise/lower pushbuttons? Ans. As

it says, lower the setpoint.

L091 Exam Questions

07/08/2011

Time Name Number Question/Answer

6.

0937 Galvan 29

PCV-135 initial response? Ans. Response to the plant conditions given.

7.

0952 Guess 46

Problem with the inverter or upstream of the inverter? Ans. Read the

question, again.

8.

1015 Meade 53

Do both units lose offsite power? Question doesn't make sense. Ans.

Assume only what question tells you.

9.

1052 Cortes 60

Does AIR-S-1 supply the Containm

ent Service Air header or the environment? Ans. Supplying air to Containment.

10.

1310 Peck 88

Is level stable at 107'8", can I assume it is still at that level? Ans. Answer the question based on the information given.

L091 Exam Questions

07/08/2011

Time Name Number Question/Answer

11.

1310 Bowler 89

What is the containment pressure trend when App E was performed? Ans.

Answer the question based on the

pressure given in the question.

12.

1310 LaLone 97

What about the other Control Room Vent equipment? Ans. Based your answer on the information

given in the question.

13.

1315 Upshaw 97

What about the CRVS transfer switches? Ans. System is in a normal

alignment for the conditions given.

14.

1316 Van Beurden

97

What about the CRVS transfer switches? Ans. System is in a normal

alignment for the conditions given.