ML17276B833
| ML17276B833 | |
| Person / Time | |
|---|---|
| Site: | Vogtle  |
| Issue date: | 10/03/2017 |
| From: | NRC/RGN-II |
| To: | |
| References | |
| Download: ML17276B833 (80) | |
See also: IR 05000424/2017301
Text
RO Answer Key
1
D
26
A
51
C
2
B
27
C
52
B
3
A
28
A
53
C
4
A
29
C
54
B
5
D
30
D
55
A
6
D
31
B
56
C
7
B
32
B
57
B
8
A
33
B
58
D
9
B
34
B
59
A
10
C
35
C
60
A
11
A
36
A
61
C
12
D
37
B
62
B
13
A
38
C
63
A
14
B
39
D
64
D
15
A
40
D
65
B
16
B
41
B
66
B
17
B
42
A
67
C
18
C
43
C
68
A
19
B
44
C
69
B
20
A
45
D
70
D
21
B
46
D
71
B
22
C
47
B
72
A
23
D
48
B
73
A
24
D
49
C
74
C
25
C
50
C
75
C
Name: ________________________
ILT-21 RO NRC
Student Test
Start Time: _______
Stop Time: _______
ILT-21 RO NRC
1.
Initial conditions:
- Unit 2 is at 52% reactor power.
- Tavg and Tref are matched.
- AFD is +0.3%.
Current conditions:
- Reactor power is 56% and rising.
- Tavg is 3 °F higher than Tref and rising.
- AFD is +1.0% and rising.
Which one of the following completes the following statement?
An __(1)__ is occurring,
and
per Tech Spec 3.2.3, "Axial Flux Difference (AFD)," the AFD is considered outside
limits when a minimum of __(2)__ OPERABLE Power Range NI channels indicate
outside AFD limits.
__(1)__
__(2)__
inadvertent dilution
1
inadvertent dilution
2
uncontrolled continuous rod withdrawal
1
uncontrolled continuous rod withdrawal
2
A.
B.
C.
D.
Page 1 of 75
ILT-21 RO NRC
2.
Initial condition:
- Unit 1 is at 100% reactor power.
Current condition:
- 1CD1 is de-energized due to a fault.
Which one of the following completes the following statements?
The Rod Control Logic Cabinet's normal power supply __(1)__ available.
The Rod Control Logic Cabinet's alternate power supply is __(2)__.
__(1)__
__(2)__
is
Vital 120 VAC Panel
(1CY1A)
is
Regulated 120 VAC Panel
(1NYS)
is NOT
Vital 120 VAC Panel
(1CY1A)
is NOT
Regulated 120 VAC Panel
(1NYS)
A.
B.
C.
D.
Page 2 of 75
ILT-21 RO NRC
3.
Initial conditions:
- Unit 1 is in Mode 5.
- RCS temperature is 150 °F.
- RCS pressure is 350 psig.
Current conditions:
- Crew initiated an RCS heatup at 60 °F/hour.
- RCS temperature is 152 °F.
- RCS pressure rises to 1000 psig due to an unplanned pressure excursion.
Which one of the following completes the following statements?
Consider each statement separately.
Based on the given conditions, Tech Spec LCO 3.4.3, "RCS Pressure and
Temperature (P/T) Limits," __(1)__ met.
For the given conditions, if Tech Spec LCO 3.4.3 is NOT met, the crew is required to
initiate action to restore the parameter(s) to within limits __(2)__.
REFERENCES PROVIDED
__(1)__
__(2)__
is
immediately
is
in no later than 30 minutes
is NOT
immediately
is NOT
in no later than 30 minutes
A.
B.
C.
D.
Page 3 of 75
ILT-21 RO NRC
4.
Initial condition:
- Unit 2 is at 100% reactor power.
Current conditions:
- The following alarms are received:
- ALB07-A05 REGEN HX LTDN HI TEMP
- ALB07-D03 LTDN HX OUT HI TEMP
- ALB08-E06 RCP SEAL WATER INJ FILTER HI DELTA P
Which one of the following completes the following statement?
Based on the current conditions, __(1)__ has failed closed,
and
the identified failure is the result of a __(2)__.
__(1)__
__(2)__
2HV-182, Seal Flow Control
controller malfunction
2HV-182, Seal Flow Control
loss of instrument air
2FV-121, Charging Flow Control
controller malfunction
2FV-121, Charging Flow Control
loss of instrument air
A.
B.
C.
D.
Page 4 of 75
ILT-21 RO NRC
5.
Initial conditions:
- Unit 2 is at 4% reactor power following an outage.
- 12004-C, "Power Operation (Mode 1)," is in progress.
Current condition:
- RCP #2 trips.
Which one of the following completes the following statement?
Following the RCP trip, as RCP speed lowers, the DNBR will __(1)__,
and
based on the given conditions, per 18005-C, "Partial Loss of Flow," the crew is required
to __(2)__.
__(1)__
__(2)__
rise
immediately trip the reactor
rise
initiate a reactor shutdown per 12004-C
lower
immediately trip the reactor
lower
initiate a reactor shutdown per 12004-C
A.
B.
C.
D.
Page 5 of 75
ILT-21 RO NRC
6.
Given the following:
- Unit 1 is performing 13701-1, "Boric Acid System," to startup the system.
- The crew is at the step to "Verify heat tracing for the Boric Acid System is
available as required."
Which one of the following completes the following statement?
The Heat Trace System is designed to __(1)__,
and
Heat Trace System panel alarms __(2)__ be acknowledged by the operator on the
QMCB 'A' panel.
__(1)__
__(2)__
provide freeze protection
will
provide freeze protection
will NOT
maintain boric acid in solution
will
maintain boric acid in solution
will NOT
A.
B.
C.
D.
Page 6 of 75
ILT-21 RO NRC
7.
Initial conditions:
- Unit 1 is in Mode 6.
- RCS level is at 192 feet and stable.
- Both RHR pumps are running.
- Letdown is aligned to RHR Train 'A'.
- RHR Train 'A' is in the following configuration:
1HIC-606A, RHR Heat Exchanger Outlet, is at 0% demand.
1FIC-618A, RHR Heat Exchanger Bypass, is in manual with 75% demand.
- RHR Train 'B' is in the following configuration:
1HIC-607A, RHR Heat Exchanger Outlet, is at 50% demand.
1FIC-619A, RHR Heat Exchanger Bypass, is in manual with 25% demand.
Current conditions:
- RHR pump 'A' trips.
- No operator action has been taken.
Which one of the following completes the following statement?
Based on the given conditions, RCS level will __(1)__,
and
RCS temperature will __(2)__.
__(1)__
__(2)__
rise
rise
rise
remain the same
remain the same
rise
remain the same
remain the same
A.
B.
C.
D.
Page 7 of 75
ILT-21 RO NRC
8.
Initial conditions:
- Unit 1 is in Mode 5 with solid plant conditions.
- Pressurizer bubble is being established.
Current conditions:
- A transient results in an RHR pressure excursion.
- ALB12-E02 PRZR REL TANK HI PRESS is received.
- ALB12-E03 PRZR REL TANK HI TEMP is received.
Which one of the following completes the following statement?
The RHR pump __(1)__ relief valve lifting caused the PRT high pressure condition,
and
per 13004-1, "Pressurizer Relief Tank Operation," PRT cooldown using spray and drain
to lower PRT temperature is expected to take approximately __(2)__ hour(s).
__(1)__
__(2)__
suction
1
suction
8
discharge
1
discharge
8
A.
B.
C.
D.
Page 8 of 75
ILT-21 RO NRC
9.
Initial conditions:
- Unit 1 reactor trip and SI occurred due to a large break LOCA.
- RWST SI TEST LIGHT 'A' white light is lit on the QMCB 'A' panel.
- RWST SI TEST LIGHT 'B' white light is NOT lit on the QMCB 'A' panel.
Current condition:
- RWST level is 28% on all channels and slowly lowering.
Which one of the following completes the following statement?
1HV-8811A, Containment Sump to RHR Pump 'A' Suction, will indicate __(1)__ on the
QMCB,
and
1HV-8811B, Containment Sump to RHR Pump 'B' Suction, will indicate __(2)__ on the
QMCB.
__(1)__
__(2)__
open
open
open
closed
closed
open
closed
closed
A.
B.
C.
D.
Page 9 of 75
ILT-21 RO NRC
10.
Given the following:
- Unit 1 is in Mode 4.
- RHR Train 'A' is aligned for shutdown cooling.
Which one of the following completes the following statement?
Per 13715A-1, "Component Cooling Water System Train 'A'," for RCS temperature
control, CCW flow __(1)__ allowed to be throttled to the RHR Train 'A' heat exchanger,
and
when RHR system temperature first lowers to less than __(2)__ °F, CCW flow is NO
longer required to be supplied to the RHR pump seal coolers.
__(1)__
__(2)__
is
150
is
195
is NOT
150
is NOT
195
A.
B.
C.
D.
Page 10 of 75
ILT-21 RO NRC
11.
Initial condition:
- Unit 2 is at 100% reactor power.
Current conditions:
- An inadvertent SI occurs.
- ALB12-E02 PRZR REL TANK HI PRESS is received.
Which one of the following completes the following statement?
The PRT high pressure condition was caused by __(1)__ relief valve lifting,
and
with no operator action, 2PI-469, PRT Pressure, on the QMCB will reach a maximum
of __(2)__ psig before the rupture disk fails.
__(1)__
__(2)__
100
115
100
115
A.
B.
C.
D.
Page 11 of 75
ILT-21 RO NRC
12.
Initial condition:
- Unit 1 is at 100% reactor power.
Current conditions:
- PRT pressure is 5 psig.
- 1PSV-8010A, Pressurizer Safety Valve 'A', fails 20% open.
- The OATC is monitoring 1TI-466, Pressurizer Safety Valve 'A'.
Which one of the following completes the following statement?
1TI-466, Pressurizer Safety Valve 'A', will initially indicate approximately __(1)__ °F,
and
as the safety valve continues to lift, 1TI-466 temperature indication __(2)__ increase
continuously until pressurizer temperature is reached.
__(1)__
__(2)__
212
will
212
will NOT
228
will
228
will NOT
A.
B.
C.
D.
Page 12 of 75
ILT-21 RO NRC
13.
Initial conditions:
- Unit 1 is at 100% reactor power.
- CCW pumps #1 and #3 are running.
- CCW pump #5 is tagged out.
Current conditions:
- ALB02-A05 CCW TRAIN A SURGE TK LO-LO LVL is received.
- CCW pump #3 trips.
- CCW pump #1 is running.
- The following alarms are received:
- ALB02-A06 CCW TRAIN A LO HDR PRESS
- ALB02-B06 CCW TRAIN A LO FLOW
- ALB02-D06 CCW TRAIN A RHR HX LO FLOW
- ALB02-E05 CCW TRAIN A RHR PMP SEAL LO FLOW
- 1FI-1876, CCW Train 'A' Supply Header Flow, indicates 4500 gpm.
Which one of the following completes the following statement?
A single level transmitter failing low on CCW Train 'A' surge tank __(1)__ CCW
pump #3 to trip,
and
the indicated flow on 1FI-1876 __(2)__ consistent with the given conditions.
__(1)__
__(2)__
caused
is
caused
is NOT
did NOT cause
is
did NOT cause
is NOT
A.
B.
C.
D.
Page 13 of 75
ILT-21 RO NRC
14.
Initial conditions:
- Unit 2 reactor tripped due to a small break LOCA.
- 19221-2, "Response to Inadequate Core Cooling," was entered.
Current condition:
- The crew is depressurizing all intact SGs to 120 psig.
Which one of the following completes the following statement?
The depressurization of all intact SGs is stopped when SG pressures reach 120 psig to
prevent ____________.
excessive cooldown of the SG U-tubes
injection of accumulator nitrogen into the RCS
a pressurized thermal shock condition of the reactor vessel
voiding in the reactor vessel head and loss of pressurizer level
A.
B.
C.
D.
Page 14 of 75
ILT-21 RO NRC
15.
Which one of the following completes the following statement?
Unit 1 Pressurizer Code Safety Valve position indications are available on __(1)__,
and
this display indication is powered from __(2)__.
__(1)__
__(2)__
PSMS 'A'
1AY1A
PSMS 'A'
1NYJ
QMCB, 'C' panel
1AY1A
QMCB, 'C' panel
1NYJ
A.
B.
C.
D.
Page 15 of 75
ILT-21 RO NRC
16.
Initial condition:
- Unit 1 experienced a LOCA.
Current conditions:
- The crew is in 19012-1, "Post-LOCA Cooldown and Depressurization."
- RCP #4 is running.
- Containment pressure is 4.5 psig and stable.
- RCS subcooling is 52 °F.
- CCP 'A' and 'B' are in service.
- SIP 'A' and 'B' are in service.
- The crew is at the following step:
Which one of the following completes the following statements?
Per 19012-1, the operators should stop the first CCP and then the first SIP in __(1)__.
Based on the given conditions, the crew __(2)__ required to stop one CCP.
(1) alternate ECCS Trains
(2) is
(1) alternate ECCS Trains
(2) is NOT
(1) the same ECCS Train
(2) is
(1) the same ECCS Train
(2) is NOT
A.
B.
C.
D.
Page 16 of 75
ILT-21 RO NRC
17.
Initial conditions:
- Unit 1 is at 8% reactor power.
- Pressurizer level control is selected to CH 459 / 460.
Current conditions:
- 1LT-459, Pressurizer Level, fails downscale low.
- No operator action has been taken.
Which one of the following completes the following statement?
Seal injection flow to the RCPs will __(1)__,
and
an automatic reactor trip __(2)__ occur on pressurizer level.
__(1)__
__(2)__
rise
will
rise
will NOT
lower
will
lower
will NOT
A.
B.
C.
D.
Page 17 of 75
ILT-21 RO NRC
18.
Initial condition:
- Unit 2 is at 70% reactor power.
Current condition:
- An inadvertent dilution occurs.
Which one of the following completes the following statement?
Based on the given conditions, the OT delta T reactor trip setpoint will __(1)__,
and
the OP delta T reactor trip setpoint will __(2)__.
__(1)__
__(2)__
rise
lower
rise
not change
lower
lower
lower
not change
A.
B.
C.
D.
Page 18 of 75
ILT-21 RO NRC
19.
Initial condition:
- Unit 1 is at 100% reactor power.
Current conditions:
- The bistable(s) for 1PT-934, Containment Pressure Channel IV, are
de-energized.
- No Tech Spec actions have been taken.
Which one of the following completes the following statement?
The minimum number of additional channels required to initiate an actuation signal
on High-1 is __(1)__,
and
the minimum number of additional channels required to initiate an actuation signal
on High-3 is __(2)__.
__(1)__
__(2)__
1
1
1
2
2
1
2
2
A.
B.
C.
D.
Page 19 of 75
ILT-21 RO NRC
20.
Given the following:
- Unit 1 is preparing for a reactor startup per 12003-C, "Reactor Startup (Mode 3 to
Mode 2)."
Which one of the following completes the following statements?
When the OATC momentarily places 1HS-40038, Rod Control Startup Switch, to
START UP, all control rod demand step counters __(1)__ reset to zero.
Control rod demand step counter indications __(2)__ available on the IPC.
__(1)__
__(2)__
will
are
will
are NOT
will NOT
are
will NOT
are NOT
A.
B.
C.
D.
Page 20 of 75
ILT-21 RO NRC
21.
Initial conditions:
- Unit 2 reactor tripped.
- 19001-2, "Reactor Trip Response," is entered.
- Natural circulation verification is in progress.
Current condition:
- Two CETCs fail low.
Which one of the following completes the following statement?
Tech Spec LCO 3.3.3, "Post Accident Monitoring (PAM) Instrumentation," requires a
minimum of __(1)__ OPERABLE CETC channels per quadrant,
and
based on the current conditions, the failed CETCs __(2)__ be included in the
calculated subcooling margin displayed on the IPC.
__(1)__
__(2)__
2
will
2
will NOT
4
will
4
will NOT
A.
B.
C.
D.
Page 21 of 75
ILT-21 RO NRC
22.
Initial conditions:
- Unit 1 is at 100% reactor power.
- 18007-C, "Chemical and Volume Control System Malfunction," is in progress due
to a controller malfunction.
Current conditions:
- The controller has been repaired.
- Normal charging is being restored to service per 13006-1, "Chemical and Volume
Control System."
- Pressurizer level has been stable within 1% of program for 3 minutes.
- OATC is ready to return pressurizer level control to automatic.
Which one of the following completes the following statement?
Pressurizer level is maintained stable for at least 3 minutes prior to placing pressurizer
level control in automatic to ensure the large error signal in __(1)__ has time to decay,
and
per NMP-OS-007-001, "Conduct of Operations Standards and Expectations," Shift
Manager permission __(2)__ required prior to returning the level control system to
automatic.
__(1)__
__(2)__
1FIC-121, Charging Flow Control
is
1FIC-121, Charging Flow Control
is NOT
1LIC-459, Pressurizer Level Control
is
1LIC-459, Pressurizer Level Control
is NOT
A.
B.
C.
D.
Page 22 of 75
ILT-21 RO NRC
23.
Initial conditions:
- Unit 1 is in Mode 4.
- A loss of all NSCW occurs.
- RCS and containment temperatures are rising.
Current conditions:
- The crew determines that NSCW Train 'A' can be re-started in single pump
operation.
- 13150A-1, "Train 'A' Nuclear Service Cooling Water System," is in progress.
Which one of the following is (are) the NSCW Train 'A' load(s) that must be isolated
prior to the re-start of one NSCW pump to ensure adequate cooling is provided to
required NSCW loads?
Component Cooling Water Heat Exchanger
Diesel Generator Jacket Water Heat Exchanger
Control Building Engineered Safety Features Chiller
Containment Auxiliary Cooler and Reactor Cavity Cooler
A.
B.
C.
D.
Page 23 of 75
ILT-21 RO NRC
24.
Initial conditions:
- Unit 2 is in Mode 5.
- RHR pump 'A' is in service for shutdown cooling.
Current conditions:
- RCS level is 192 feet and slowly lowering due to a leak.
- RCS temperature is 190 °F.
- 18019-C, "Loss of Residual Heat Removal," is in progress.
Which one of the following completes the following statements?
Based on the current conditions and per 18019-C, the operating crew __(1)__ required
to stop RHR pump 'A'.
Per 18019-C, if no pump is available, the preferred gravity drain path to restore
inventory is through the __(2)__ pumps to the RCS Cold Legs.
__(1)__
__(2)__
is
is
is NOT
is NOT
A.
B.
C.
D.
Page 24 of 75
ILT-21 RO NRC
25.
Given the following:
- Unit 1 experienced a large break LOCA.
- 19010-1, "Loss of Reactor or Secondary Coolant," is in progress.
- Containment Spray has been aligned to the recirculation mode.
Which one of the following completes the following statement?
Control of containment fluid pH is accomplished by __(1)__,
and
per 19010-1, Containment Spray is required to operate in the recirculation mode for a
minimum of __(2)__ hours.
__(1)__
__(2)__
batch chemical addition
1.5
batch chemical addition
2
chemical storage baskets
1.5
chemical storage baskets
2
A.
B.
C.
D.
Page 25 of 75
ILT-21 RO NRC
26.
Given the following:
- Unit 2 is at 100% reactor power.
- 2PIC-455A, Pressurizer Pressure Master Controller, output demand fails low.
- 18000-C, "Pressurizer Spray, Safety, or Relief Valve Malfunction," is entered.
Which one of the following completes the following statement?
In response to the controller failure, the pressurizer backup heaters __(1)__ energize,
and
per 18000-C, the OATC __(2)__ allowed to operate 2PIC-455B and 2PIC-455C,
Pressurizer Spray Controllers, in manual to control pressurizer pressure.
__(1)__
__(2)__
will
is
will
is NOT
will NOT
is
will NOT
is NOT
A.
B.
C.
D.
Page 26 of 75
ILT-21 RO NRC
27.
Given the following:
- Unit 1 experiences a large break LOCA.
- Containment pressure is 26 psig.
- Containment Spray is operating.
Which one of the following completes the following statement?
One purpose of the Containment Spray system is to remove __(1)__ from the
containment atmosphere,
and
per 19013-1, "Transfer to Cold Leg Recirculation," the operating crew __(2)__ required
to reset the Containment Spray actuation signal prior to aligning the CS pumps for
recirculation.
__(1)__
__(2)__
noble gases
is
noble gases
is NOT
gaseous iodine
is
gaseous iodine
is NOT
A.
B.
C.
D.
Page 27 of 75
ILT-21 RO NRC
28.
Initial conditions:
- Unit 1 is at 100% reactor power.
- Pressurizer level control is selected to CH 461 / 460.
Current conditions:
- 1LT-461, Pressurizer Level, fails as-is.
- Reactor power is being lowered to 30%.
Which one of the following completes the following statement?
As reactor power lowers, with no additional operator action, ALB11-C01 PRZR
CONTROL HI LEVEL DEV AND HEATERS ON __(1)__ alarm,
and
CVCS letdown __(2)__ isolate.
__(1)__
__(2)__
will
will
will
will NOT
will NOT
will
will NOT
will NOT
A.
B.
C.
D.
Page 28 of 75
ILT-21 RO NRC
29.
Given the following:
- Unit 1 is at 100% reactor power.
- Containment pressure is +0.8 psig and stable.
- Containment pressure relief is being performed per 13125-1, "Containment
Purge System."
Which one of the following completes the following statement?
Based on the given conditions and per 13125-1, when the crew begins the pressure
relief, the Mini-Purge Exhaust Fan __(1)__ required to be started,
and
containment pressure __(2)__ be monitored on the QHVC panel.
__(1)__
__(2)__
is
can
is
can NOT
is NOT
can
is NOT
can NOT
A.
B.
C.
D.
Page 29 of 75
ILT-21 RO NRC
30.
Initial condition:
- Unit 1 is at 45% reactor power.
Current conditions:
- ATWT is in progress.
- The Main Turbine will NOT trip from the Control Room.
- The Reactor Trip Breakers can NOT be opened locally.
Which one of the following completes the following statement?
Per 19211-1, "Response to Nuclear Power Generation / ATWT," the Control Rod Drive
MG Set __(1)__ breakers will be opened,
and
ALB09-E02 TURBINE TRIP DUE TO REACTOR TRIP __(2)__ be received when the
MG Set breakers are locally opened.
__(1)__
__(2)__
input
will
input
will NOT
output
will
output
will NOT
A.
B.
C.
D.
Page 30 of 75
ILT-21 RO NRC
31.
Procedure titles as follows:
- 19231-1, "Response to Loss of Secondary Heat Sink"
- 19235-1, "Response to Steam Generator Low Level"
Given the following:
- Unit 1 reactor tripped.
- 19200-1, "Critical Safety Function Status Tree," is initiated by the OATC.
- Containment pressure is 0.4 psig.
- SG pressures are 1000 psig in each SG.
- Total AFW flow has been throttled to 530 gpm.
- SG NR levels are as follows:
- SG #1 is 8%
- SG #2 is 9%
- SG #3 is 7%
- SG #4 is 10%
Which one of the following completes the following statement?
To ensure the CSFSTs are indicating correctly for the given plant conditions, the OATC
is required to verify the IPC indicates Mode __(1)__,
and
the Heat Sink status tree indicates conditions are met for a transition to __(2)__.
__(1)__
__(2)__
0
19231-1
0
19235-1
3
19231-1
3
19235-1
A.
B.
C.
D.
Page 31 of 75
ILT-21 RO NRC
32.
Initial conditions:
- Unit 1 tripped due to a SGTR.
- 19030-1, "Steam Generator Tube Rupture," is in progress.
- All RCPs are stopped.
- RCS subcooling is 29 °F.
- The crew has commenced the RCS cooldown.
Current condition:
- IPC indicates a RED path on Integrity and is directing a transition to 19241-1,
"Response to Imminent Pressurized Thermal Shock Condition."
Which one of the following completes the following statement?
Per 19030-1, Attachment 2, "Verification of Natural Circulation," the minimum required
subcooling to support natural circulation flow __(1)__ currently available,
and
based on the given conditions, the crew __(2)__ required to immediately transition to
19241-1.
__(1)__
__(2)__
is
is
is
is NOT
is NOT
is
is NOT
is NOT
A.
B.
C.
D.
Page 32 of 75
ILT-21 RO NRC
33.
Given the following:
- Unit 2 is at 100% reactor power.
- 18009-C, "Steam Generator Tube Leak," is in progress.
- Total charging flow is 93 gpm.
- Letdown flow is 75 gpm.
- Total RCP seal leak-off flow is 12 gpm.
- 2RE-810, SJAE Rad Monitor, indicates a leak rate of change of 25 gpd/hour after
30 minutes of trend data.
Which one of the following completes the following statement?
Per 18009-C, the crew __(1)__ required to initiate a plant shutdown to Mode 3 using
18013-C, "Rapid Power Reduction,"
and
Tech Spec LCO 3.4.13, "RCS Operational Leakage," __(2)__ met.
__(1)__
__(2)__
is
is
is
is NOT
is NOT
is
is NOT
is NOT
A.
B.
C.
D.
Page 33 of 75
ILT-21 RO NRC
34.
Initial conditions:
- Unit 1 is at 60% reactor power and stable.
- MFP 'B' startup is in progress and has been idling at 1200 rpm for 15 minutes.
Current conditions:
- ALB15-D03 MFPT A TRIPPED is received.
- Feed flow indications indicate 0 MPPH on all SGs.
- MFP 'B' continues to idle in manual.
- All SG NR levels are 60% and lowering.
Which one of the following completes the following statement?
Per 18016-C, "Condensate and Feedwater Malfunction," the first action the crew is
required to perform is to __(1)__,
and
the MDAFW pumps will first receive a start signal on __(2)__.
__(1)__
__(2)__
trip the reactor
the trip of MFP 'A'
trip the reactor
SG low level
raise MFP 'B' speed
the trip of MFP 'A'
raise MFP 'B' speed
SG low level
A.
B.
C.
D.
Page 34 of 75
ILT-21 RO NRC
35.
Initial conditions:
- Unit 2 reactor tripped due to a loss of off-site power.
- 2AA02 and 2BA03 are de-energized.
- 19100-2, "Loss of All AC Power," is in progress.
- Instrument air header pressure is rapidly lowering.
Current condition:
- The crew is checking the status of CVCS valves.
Which one of the following completes the following statement?
With no operator action following the loss of instrument air, 2LV-459 and 2LV-460,
Letdown Isolations, will be __(1)__,
and
2HV-8105 and 2HV-8106, Charging to RCS Isolations, will be __(2)__.
__(1)__
__(2)__
open
open
open
closed
closed
open
closed
closed
A.
B.
C.
D.
Page 35 of 75
ILT-21 RO NRC
36.
Initial conditions:
- Unit 1 is at 100% reactor power.
- SJAE #1 is in standby.
- SJAE #2 is in service.
Current condition:
- SJAE #1 loop seal drain isolation valve fails open.
Which one of the following completes the following statement?
With no operator action, reactor power __(1)__ lower,
and
entry into 18040-C, "Partial Loss of Condenser Vacuum," __(2)__ required.
__(1)__
__(2)__
will
is
will
is NOT
will NOT
is
will NOT
is NOT
A.
B.
C.
D.
Page 36 of 75
ILT-21 RO NRC
37.
Initial conditions:
- Unit 1 is at 35% reactor power.
- MFP 'A' is running.
Current conditions:
- Both RATs de-energize due to a switchyard fault.
- Unit 1 reactor is tripped.
- 19001-1, "Reactor Trip Response," is in progress.
- Crew is at Step 9 to "Check SG levels."
- SG NR levels are 7% in each SG.
- MDAFW flow is throttled to 135 gpm to each SG.
Which one of the following completes the following statement?
Based on the current conditions, an adequate heat sink __(1)__ exist,
and
when the UO trips MFP 'A', the MDAFW pump discharge valves will __(2)__.
__(1)__
__(2)__
does
re-open fully
does
remain throttled
does NOT
re-open fully
does NOT
remain throttled
A.
B.
C.
D.
Page 37 of 75
ILT-21 RO NRC
38.
Initial conditions:
- Unit 2 is at 100% reactor power.
- A loss of off-site power occurs.
Current conditions:
- DG2A starts and re-energizes its associated bus.
- DG2B will NOT start.
- 2BD1 bus voltage is 103 VDC.
Which one of the following completes the following statements?
Based on the given conditions, per 18031-2, "Loss of Class 1E Electrical Systems," the
minimum required action(s) to take for 2BD1 is (are) to __(1)__.
The reason for removing 2BD1 from service is to prevent __(2)__.
(1) open its associated battery breaker
(2) cell reversal
(1) open its associated battery breaker
(2) an excessive buildup of hydrogen
(1) shutdown its associated inverter and then open its battery breaker
(2) cell reversal
(1) shutdown its associated inverter and then open its battery breaker
(2) an excessive buildup of hydrogen
A.
B.
C.
D.
Page 38 of 75
ILT-21 RO NRC
39.
Initial conditions:
- Unit 1 is at 100% reactor power.
- DG1B is running for a monthly surveillance.
Current conditions:
- 1BD1 de-energizes due to a fault.
- 18034-1, "Loss of Class 1E 125 VDC Power," is in progress.
Which one of the following completes the following statement?
Depressing the DG1B Emergency Stop pushbuttons on the QEAB __(1)__ stop DG1B,
and
the DG1B output breaker is required to be opened using the local breaker __(2)__.
__(1)__
__(2)__
will
handswitch
will
TRIP pushbutton
will NOT
handswitch
will NOT
TRIP pushbutton
A.
B.
C.
D.
Page 39 of 75
ILT-21 RO NRC
40.
Initial condition:
- Unit 1 is at 100% reactor power.
Current conditions:
- A 200 MWe load rejection occurs.
- Main turbine load has stabilized.
Which one of the following completes the following statement?
Based on the current conditions, the final MFRV positions will be more __(1)__ than
prior to the transient,
and
the final MFP speeds will be __(2)__ than prior to the transient.
__(1)__
__(2)__
open
higher
open
lower
closed
higher
closed
lower
A.
B.
C.
D.
Page 40 of 75
ILT-21 RO NRC
41.
Initial condition:
- Unit 1 Waste Gas Decay Tank release is in progress.
Current conditions:
- A diaphragm valve fails in the Waste Gas System.
- ARE-0014, Waste Gas Processing Effluent Monitor, is in intermediate alarm.
- No operator action has been taken.
Which one of the following completes the following statement?
ARV-0014, Plant Vent Radwaste Gas, isolation valve is __(1)__,
and
the position of ARV-0014 will be verified by the operators __(2)__.
__(1)__
__(2)__
open
on the IPC in the Control Room
open
locally on the Gaseous Waste Panel
closed
on the IPC in the Control Room
closed
locally on the Gaseous Waste Panel
A.
B.
C.
D.
Page 41 of 75
ILT-21 RO NRC
42.
Initial conditions:
- Unit 1 is in Mode 3.
- MDAFW pump 'A' is running.
- MDAFW pump 'B' and the TDAFW pump are in standby.
Current condition:
- Maintenance requests to simultaneously open both 1-1302-U4-055 and
1-1302-U4-056, MDAFW Pump Cross-Connect Valves, for a PM.
Per 13610-1, "Auxiliary Feedwater System," which one of the following completes the
following statements?
For the given conditions, opening both 1-1302-U4-055 and 1-1302-U4-056 at the same
time __(1)__ violate Tech Spec LCO 3.7.5, "Auxiliary Feedwater (AFW) System."
To prevent pump runout, MDAFW pump 'A' flow rate is required to be limited to a
maximum of __(2)__ gpm.
__(1)__
__(2)__
will
600
will
1260
will NOT
600
will NOT
1260
A.
B.
C.
D.
Page 42 of 75
ILT-21 RO NRC
43.
Initial conditions:
- Unit 1 experienced a loss of heat sink.
- TDAFW pump governor developed a hydraulic oil leak.
- TDAFW pump tripped on overspeed.
- 1HS-15111, TDAFW Trip and Throttle Valve, green and amber lights are lit.
Current condition:
- OAO is dispatched to reset the TDAFW pump mechanical overspeed trip.
Which one of the following completes the following statement?
The amber light on 1HS-15111 will extinguish when __(1)__,
and
with the failed governor valve, the TDAFW pump __(2)__ be operated locally.
(1) 1HS-5106A, TDAFW Steam Supply, is taken to the close position
(2) can
(1) 1HS-5106A, TDAFW Steam Supply, is taken to the close position
(2) can NOT
(1) the mechanical trip linkage is manually reset
(2) can
(1) the mechanical trip linkage is manually reset
(2) can NOT
A.
B.
C.
D.
Page 43 of 75
ILT-21 RO NRC
44.
Initial conditions:
- Unit 1 is at 100% reactor power.
- DG1A is paralleled with RAT '1A' for surveillance testing.
Current condition:
- Lockout relay 186C actuates due to reverse power on DG1A.
Which one of the following completes the following statement?
The DG1A engine __(1)__ automatically shutdown,
and
1AA02-19, DG1A Output Breaker, __(2)__ automatically trip open.
__(1)__
__(2)__
will
will
will
will NOT
will NOT
will
will NOT
will NOT
A.
B.
C.
D.
Page 44 of 75
ILT-21 RO NRC
45.
Initial conditions:
- Unit 2 is in Mode 3.
- CCP 'B' is running.
Current condition:
- 2BD1 is de-energized due to a fault.
Which one of the following completes the following statement?
If an overcurrent relay actuates in the CCP 'B' pump breaker, the breaker __(1)__
automatically trip open,
and
QMCB handswitch indication of the CCP 'B' breaker position __(2)__ be available.
__(1)__
__(2)__
will
will
will
will NOT
will NOT
will
will NOT
will NOT
A.
B.
C.
D.
Page 45 of 75
Name: ________________________
ILT21 RO NRC
Makeup
Student Test
Start Time: _______
Stop Time: _______
ILT21 RO NRC Makeup
46.
Initial condition:
- Unit 1 is at 100% reactor power and stable.
Current conditions:
- ALB10-D05 RPI URGENT ALARM is received.
- ALB10-C05 RPI NON URGENT ALARM is received.
- ALB10-E05 ROD AT BOTTOM is received.
- Control rod H8 Rod Bottom LED is lit.
- Control rod H8 General Warning LED is flashing.
- Data A and Data B Failure LEDs are flashing.
- No other alarms are received.
Which one of the following completes the following statements?
Control rod H8 __(1)__.
Automatic rod motion and manual rod motion __(2)__ inhibited.
__(1)__
__(2)__
dropped
are
dropped
are NOT
did NOT drop
are
did NOT drop
are NOT
A.
B.
C.
D.
Page 1 of 30
ILT21 RO NRC Makeup
47.
Initial condition:
- Unit 1 is at 45% reactor power.
Current conditions:
- RCP #1 trips.
- No operator action has been taken.
Which one of the following completes the following statement?
After RCP #1 stops and flow stabilizes, loop #1 RCS delta T will be __(1)__ than loops
- 2, #3, and #4 RCS delta Ts,
and
as a result of the RCP trip, the reactor __(2)__ automatically trip.
__(1)__
__(2)__
lower
will
lower
will NOT
higher
will
higher
will NOT
A.
B.
C.
D.
Page 2 of 30
ILT21 RO NRC Makeup
48.
At time 1500:
- Unit 1 is at 100% reactor power.
- 1PT-506, Turbine Power, fails downscale low.
At time 1502:
- Unit 1 reactor trips.
- RTB 'A' does NOT open.
- No operator action has been taken.
Which one of the following completes the following statement?
RCS temperature will be controlled at approximately __(1)__ °F by the __(2)__.
__(1)__
__(2)__
557
557
steam dumps
559
559
steam dumps
A.
B.
C.
D.
Page 3 of 30
ILT21 RO NRC Makeup
49.
Initial conditions:
- Unit 2 is at 70% reactor power.
- Control rods are stepping out without demand.
- Reactor will NOT trip from the QMCB.
- 19211-2, "Response to Nuclear Power Generation / ATWT," is entered.
- Boric Acid Transfer Pump (BATP) 'A' is started for emergency boration.
Current condition:
- BATP 'A' trips.
Which one of the following completes the following statement?
When BATP 'A' trips, BATP 'B' __(1)__ automatically start,
and
per 19211-2, the minimum boric acid flow is required to be greater than __(2)__ gpm.
__(1)__
__(2)__
will
30
will
42
will NOT
30
will NOT
42
A.
B.
C.
D.
Page 4 of 30
ILT21 RO NRC Makeup
50.
Initial conditions:
- Unit 1 is at 9% reactor power during a startup.
- Pressurizer level is slowly lowering.
- 1RE-810, SJAE Rad Monitor, is in high alarm.
- 18009-C, "Steam Generator Tube Leak," is in progress.
Current condition:
- Crew is at Step 2 to "Maintain pressurizer level."
Which one of the following completes the following statement?
Based on the given conditions, the crew __(1)__ use 1RE-724, Steam Line Radiation,
for diverse indications during the performance of 18009-C,
and
per 18009-C, Step 2, the crew __(2)__ allowed to shut one orifice isolation valve at a
time.
__(1)__
__(2)__
can
is
can
is NOT
can NOT
is
can NOT
is NOT
A.
B.
C.
D.
Page 5 of 30
ILT21 RO NRC Makeup
51.
Given the following:
- Unit 1 is at 100% reactor power.
- ALB34-E02 INVERTERS 1AD1I1 1AD1I11 TROUBLE is received.
- ALB34-E03 120 VAC PANELS 1AY1A 1AY2A TROUBLE is received.
- Channel 1 Trip Status lights are NOT lit.
Which one of the following completes the following statements?
Based on the given conditions, the DG1A load sequencer __(1)__ energized.
If an SI were to occur, the DG1A engine __(2)__ automatically start.
__(1)__
__(2)__
is
would
is
would NOT
is NOT
would
is NOT
would NOT
A.
B.
C.
D.
Page 6 of 30
ILT21 RO NRC Makeup
52.
Given the following:
- Unit 1 is shutdown in preparation for an outage.
- RCS temperature is 450 °F and slowly lowering.
Which one of the following completes the following statement?
1HV-8701B, RHR Pump 'A' Suction from Hot Leg, __(1)__ powered from 1CD1I5,
and
based on the given conditions and per 12006-C, "Unit Cooldown to Cold Shutdown,"
1HV-8701B __(2)__ currently energized.
__(1)__
__(2)__
is
is
is
is NOT
is NOT
is
is NOT
is NOT
A.
B.
C.
D.
Page 7 of 30
ILT21 RO NRC Makeup
53.
Initial conditions:
- Unit 1 is at 100% reactor power.
- RAT '1A' and RAT '1B' de-energize due to a switchyard fire.
Current conditions:
- Unit 1 reactor is tripped.
- DG1B starts and re-energizes its associated bus.
- DG1B load sequence is complete.
- DG1A will NOT start.
- No operator action has been taken.
Which one of the following completes the following statements?
Based on the given conditions, pressurizer heater control group 'C' __(1)__ have power
available,
and
pressurizer heater back-up group 'B' __(1)__ have power available.
__(1)__
__(2)__
does
does
does
does NOT
does NOT
does
does NOT
does NOT
A.
B.
C.
D.
Page 8 of 30
ILT21 RO NRC Makeup
54.
Initial conditions:
- Spent fuel shuffle is in progress in the SFP.
- FHB Normal supply fan #1 and exhaust fan #1 are in service.
Current conditions:
- An irradiated fuel assembly is dropped.
- ARE-2532A and B, FHB Effluent, are in high alarm.
- ARE-2533A and B, FHB Effluent, are in alert alarm.
Which one of the following completes the following statement?
The radiation activity levels for ARE-2532A and B and ARE-2533A and B
__(1)__ be monitored on the Unit 1 SRDC panel,
and
based on the current conditions, the FHB Normal supply fan #1 and exhaust fan #1
__(2)__ running.
__(1)__
__(2)__
can
are
can
are NOT
can NOT
are
can NOT
are NOT
A.
B.
C.
D.
Page 9 of 30
ILT21 RO NRC Makeup
55.
Initial conditions:
- Unit 2 is at 100% reactor power.
- NSCW pumps #1, #2, #4, and #5 are running.
- ACCW pump #1 is running.
Current conditions:
- Unit 2 reactor trip and SI occur.
- SI has NOT been reset.
- Two minutes later, the normal incoming supply to 2AA02 trips open.
- DG2A starts and completes the load sequence.
Which one of the following completes the following statement?
Based on the given conditions, a total of __(1)__ NSCW pumps are running,
and
__(2)__ ACCW pump(s) is (are) running.
__(1)__
__(2)__
four
zero
four
one
five
zero
five
one
A.
B.
C.
D.
Page 10 of 30
ILT21 RO NRC Makeup
56.
Initial conditions:
- Unit 1 is at 100% reactor power.
- DG1A is paralleled with RAT '1A' for surveillance testing.
- Power Control Center reports grid instability.
- Grid frequency lowers to 59.2 Hz.
Current condition:
- 18017-C, "Abnormal Grid Disturbance / Loss of Grid," is in progress.
Which one of the following completes the following statement?
Based on the initial conditions, the DG1A governor will __(1)__ the amount of fuel
supplied to the engine,
and
per 18017-C, DG1A __(2)__ required to be secured and placed in standby alignment.
__(1)__
__(2)__
lower
is
lower
is NOT
raise
is
raise
is NOT
A.
B.
C.
D.
Page 11 of 30
ILT21 RO NRC Makeup
57.
Initial conditions:
- Unit 1 is at 100% reactor power.
- ALB01-C06 SERVICE AIR HDR LO PRESS is received.
- 1PV-9375, Service Air Dryer Inlet Isolation, is closed.
Current conditions:
- Service air header pressure is 102 psig and stable.
- System Operator is dispatched to reset 1PSL-9375, Service Air Pressure Switch,
in order to re-open 1PV-9375.
Which one of the following completes the following statement?
1PV-9375 automatically closed when service air header pressure first lowered to
__(1)__ psig,
and
1PSL-9375, Service Air Pressure Switch, __(2)__ located on the local PMEC panel.
__(1)__
__(2)__
80
is
80
is NOT
95
is
95
is NOT
A.
B.
C.
D.
Page 12 of 30
ILT21 RO NRC Makeup
58.
Given the following:
- Unit 1 is in Mode 6.
- Core re-load is in progress.
- Equipment hatch is closed and held in place by four bolts.
- Personnel airlock outer door is closed.
- Energized welding cables are running through the emergency escape airlock
doors.
Which one of the following completes the following statement?
Per 12007-C, "Refueling Operations (Entry Into Mode 6)," closing the equipment hatch
and holding it in place with four bolts __(1)__ required in order to move fuel,
and
based on the given conditions and per 12007-C, core re-load __(2)__ allowed to
continue.
__(1)__
__(2)__
is
is
is
is NOT
is NOT
is
is NOT
is NOT
A.
B.
C.
D.
Page 13 of 30
ILT21 RO NRC Makeup
59.
At time 1300:
- Unit 1 reactor trips.
- RCS pressure lowers to 1795 psig.
- Containment pressure rises to 2.6 psig.
- 1RE-002 and 1RE-003, Containment Area Radiation, are in high alarm.
- Containment Ventilation Actuation (CVI) did NOT automatically actuate.
At time 1302:
- OATC actuates CVI using the QMCB handswitch.
- CVI components align as required.
Which one of the following completes the following statement?
Based on the given conditions, Containment Isolation Phase 'A' (CI-A) first actuated at
time __(1)__,
and
1HV-9378, Instrument Air to Containment, receives a close signal directly from the
__(2)__ actuation.
__(1)__
__(2)__
1300
CI-A
1300
1302
CI-A
1302
A.
B.
C.
D.
Page 14 of 30
ILT21 RO NRC Makeup
60.
Given the following:
- Both units are at 100% reactor power.
- Unit 2 containment entry is planned to investigate a leak.
- RP will send the robot inside the bioshield to determine the source of the leak.
- The bioshield is posted as a "Very High Radiation Area."
Which one of the following completes the following statement?
Per 00008-C, "Plant Lock and Key Control," the Controlled Key used by the RP
Technician to open the bioshield lock will have a tag that is colored __________.
blue
white
yellow
red with a yellow dot
A.
B.
C.
D.
Page 15 of 30
ILT21 RO NRC Makeup
61.
Given the following:
- Unit 1 is in Mode 4 preparing for a reactor start-up.
- A valve in containment requires independent verification for a system line-up.
- An experienced System Operator (SO) is available to perform the verification.
- Heat stress stay time for the area in containment is 30 minutes.
Which one of the following completes the following statement?
Based on the given conditions and per NMP-GM-005-002, "Human Performance Tools
Instruction," the valve position verification ______________.
may NOT be waived
may be waived due to the experience level of the SO
may be waived due to established containment integrity
may be waived due to personal heat stress stay time limitations
A.
B.
C.
D.
Page 16 of 30
ILT21 RO NRC Makeup
62.
Initial condition:
- Unit 2 core off-load is in progress for a refueling outage.
Current conditions:
- Fuel Handling Supervisor reports damage to an irradiated fuel assembly.
- Containment area radiation monitors indicate rising dose rates.
- 18006-C, "Fuel Handling Event," is entered.
Which one of the following completes the following statement?
Per 93300-C, "Conduct of Refueling Operations," the OATC (Reactor Operator)
__(1)__ have the authority to suspend the refueling operations,
and
per 18006-C, "Fuel Handling Event," the evacuation page announcement will instruct
personnel to exit containment and __(2)__.
(1) does
(2) report to the Control Building RP Control Point for radiological monitoring
(1) does
(2) remain in the vicinity until radiological monitoring and accountability are
complete
(1) does NOT
(2) report to the Control Building RP Control Point for radiological monitoring
(1) does NOT
(2) remain in the vicinity until radiological monitoring and accountability are
complete
A.
B.
C.
D.
Page 17 of 30
ILT21 RO NRC Makeup
63.
Initial conditions:
- Both units are at 100% reactor power.
- System Operator discovers an error while performing a required SOP.
- The SOP has the correct noun name for a pressure indicator, but incorrectly
describes the indicator as 1PI-2098 instead of 1PI-2089.
- The correct indicator number is verified with the associated P&ID.
Current condition:
- System Operator requests a pen and ink change to continue performing the
procedure.
Which one of the following completes the following statements?
Consider each statement separately.
Based on the given conditions and per NMP-AP-001-003, "Review and Approval of
Site Procedures," a pen and ink change __(1)__ be used to correct the SOP error.
Per NMP-AP-001-003, a condition report __(2)__ required for a pen and ink change to
a procedure.
__(1)__
__(2)__
can
is
can
is NOT
can NOT
is
can NOT
is NOT
A.
B.
C.
D.
Page 18 of 30
ILT21 RO NRC Makeup
64.
Tech Spec LCO titles as follows:
- Tech Spec LCO 3.1.4, "Rod Group Alignment Limits"
- Tech Spec LCO 3.4.2, "RCS Minimum Temperature for Criticality"
Given the following:
- Unit 1 is at 4% reactor power with a power ascension in progress.
- One control rod drops to the bottom of the core.
- RCS loop #1 Tavg is 549 °F.
Which one of the following completes the following statement?
Based on the given conditions, Tech Spec LCO __(1)__ required action is the most
limiting,
and
this action has a required completion time of no later than __(2)__.
__(1)__
__(2)__
3.1.4
1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br />
3.1.4
30 minutes
3.4.2
1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br />
3.4.2
30 minutes
A.
B.
C.
D.
Page 19 of 30
ILT21 RO NRC Makeup
65.
Initial conditions:
- Both units are at 100% reactor power.
- System Operator (SO) is required to perform a system alignment.
- SO has 1.6 rem total exposure for the year.
Current conditions:
- SO must align system components in a 250 mr/hour area.
- No transit dose will be received.
Which one of the following completes the following statement?
Based on the given conditions and per NMP-HP-001, "Radiation Protection Standard
Practices," the maximum time the SO can work in the area without exceeding the
SNC administrative annual TEDE (whole body) exposure limit is _______ minutes.
Assume no dose extension was given.
48
96
576
696
A.
B.
C.
D.
Page 20 of 30
ILT21 RO NRC Makeup
66.
Given the following:
- Unit 1 is at 100% reactor power.
- System Operator (SO) is assigned to hang a Danger tag.
- A valve in the room where the tag will be hung is 1650 mr/hour on contact.
- General area dose rate in the room is 130 mr/hour.
Which one of the following completes the following statement?
Based on the given conditions and per 00930-C, "Radiation and Contamination
Control," the room containing the valve is required to be posted as a __(1)__ Area,
and
at a minimum, the SO will be required to log onto a __(2)__ RWP to hang the Danger
tag.
__(1)__
__(2)__
High Radiation
red
High Radiation
yellow
Locked High Radiation
red
Locked High Radiation
yellow
A.
B.
C.
D.
Page 21 of 30
ILT21 RO NRC Makeup
67.
Initial conditions:
- Unit 2 reactor trip and SI occur due to a SGTR on SG #3.
- 19030-2, "Steam Generator Tube Rupture," is in progress.
- Containment pressure is 0.4 psig.
- SG #3 NR level is 7%.
Current condition:
- Steps to isolate SG #3 are in progress.
Which one of the following completes the following statement?
Based on the given conditions and per 19030-2, the crew __(1)__ required to stop all
feed flow to SG #3,
and
the reason a CAUTION in 19030-2 states to maintain the ruptured SG pressure less
than 1160 psig is to minimize __(2)__.
(1) is
(2) radiation releases through the ARV or MSSVs
(1) is
(2) primary to secondary leakage
(1) is NOT
(2) radiation releases through the ARV or MSSVs
(1) is NOT
(2) primary to secondary leakage
A.
B.
C.
D.
Page 22 of 30
ILT21 RO NRC Makeup
68.
Given the following:
- Unit 2 reactor trip and SI occur due to a steam line break.
- 19200-2, "Critical Safety Function Status Tree," is initiated by the STA.
- IPC indicates an ORANGE path on Integrity.
Which one of the following completes the following statement?
The IPC determines the status of the Integrity CSFST using the __(1)__ loop Tcold
temperature,
and
the __(2)__ RCS pressure.
__(1)__
__(2)__
lowest
highest
lowest
average
average
highest
average
average
A.
B.
C.
D.
Page 23 of 30
ILT21 RO NRC Makeup
69.
Initial conditions:
- Unit 2 Control Room has been evacuated due to a fire.
- 18038-2, "Operation From Remote Shutdown Panels," is in progress.
Current conditions:
- RCS temperature is 557 °F and slowly rising.
- Reactor Operator and I&C Technician are being dispatched for fire emergency
operation of the SG ARVs to control RCS temperature.
Which one of the following completes the following statement?
Fire emergency operation of the ARVs, to control RCS temperature, will be performed
locally _________.
at Shutdown Panel 'A'
at Shutdown Panel 'B'
in the North Main Steam Valve Room
in the South Main Steam Valve Room
A.
B.
C.
D.
Page 24 of 30
ILT21 RO NRC Makeup
70.
Initial conditions:
- Unit 1 reactor trip and SI occur due to a small break LOCA.
- Natural circulation has been established.
Current conditions:
- 19012-1, "Post-LOCA Cooldown and Depressurization," is in progress.
- Crew is preparing to depressurize the RCS.
Which one of the following completes the following statement?
Based on the given conditions and per 19012-1, the crew will first attempt to
depressurize the RCS using __(1)__,
and
during the depressurization, rapidly rising RCS hot leg temperatures __(2)__ the
expected response to upper vessel head voiding.
__(1)__
__(2)__
auxiliary spray
is
auxiliary spray
is NOT
a pressurizer PORV
is
a pressurizer PORV
is NOT
A.
B.
C.
D.
Page 25 of 30
ILT21 RO NRC Makeup
71.
Initial condition:
- Unit 1 reactor trip and SI occur.
Current conditions:
- 19112-1, "LOCA Outside Containment," is in progress.
- RCS pressure is 1600 psig and slowly lowering.
- The crew is at the step to close 1HV-8809A, RHR Pump 'A' to Cold Leg Isolation,
to attempt leak isolation.
Which one of the following completes the following statement?
Closure of 1HV-8809A __(1)__ require operation of an associated Lock-Out switch,
and
per 19112-1, to determine if the leak is isolated, the operator is directed to check for
rising __(2)__ pressure.
__(1)__
__(2)__
will
pressurizer
will
will NOT
pressurizer
will NOT
A.
B.
C.
D.
Page 26 of 30
ILT21 RO NRC Makeup
72.
Initial conditions:
- Unit 2 reactor trips due to a loss of main feedwater.
- 19231-2, "Response to Loss of Secondary Heat Sink," is in progress.
Current conditions:
- The crew determines that RCS bleed and feed is required.
- SI is actuated to establish a feed path.
Which one of the following completes the following statements?
Based on the initial conditions, with no AFW pumps available, 19231-2 will next direct
the operator to attempt to establish feed flow to a SG using a __(1)__.
Based on the current conditions and per 19231-2, to establish a bleed path, the
operator will first open the __(2)__.
(1) MFP
(2) pressurizer PORVs
(1) MFP
(2) reactor vessel head vent valves
(1) condensate pump
(2) pressurizer PORVs
(1) condensate pump
(2) reactor vessel head vent valves
A.
B.
C.
D.
Page 27 of 30
ILT21 RO NRC Makeup
73.
Initial conditions:
- Unit 1 reactor trip and SI occur due to a fault on SG #1.
- 19241-1, "Response to Imminent Pressurized Thermal Shock Condition," is in
progress.
- MDAFW pumps 'A' and 'B' are in service.
- TDAFW pump is in service.
Current conditions:
- Both Trains of COPS are armed.
- RCS average temperature is 318 °F.
- RCS lowest loop temperature is 215 °F.
- Pressurizer pressure is 500 psig.
- SG #1 pressure is 35 psig and slowly lowering.
Which one of the following completes the following statement?
Per 19241-1, to limit the cooldown, the crew __(1)__ allowed to isolate the steam
supply to the TDAFW pump,
and
based on the given conditions and per 19241-1, a pressurizer PORV __(2)__ required
to be open.
REFERENCES PROVIDED
__(1)__
__(2)__
is
is
is
is NOT
is NOT
is
is NOT
is NOT
A.
B.
C.
D.
Page 28 of 30
ILT21 RO NRC Makeup
74.
Initial conditions:
- Unit 2 reactor is tripped due to a loss of both RATs.
- DG2A starts and re-energizes its associated bus.
- 2BA03 is de-energized due to a fault.
- 19002-2, "Natural Circulation Cooldown," is entered.
Current conditions:
- RCS cooldown and depressurization is in progress.
- Available CRDM fans are running.
- RCS cooldown rate is 45 °F/hour.
- RCS subcooling is 84 °F.
Which one of the following completes the following statement?
Per 19002-2, the RCS cooldown rate is monitored using RCS loop __(1)__
temperatures,
and
the minimum subcooling required during the RCS cooldown and depressurization
__(2)__ affected by the number of CRDM fans running.
__(1)__
__(2)__
Tavg
is
Tavg
is NOT
Tcold
is
Tcold
is NOT
A.
B.
C.
D.
Page 29 of 30
ILT21 RO NRC Makeup
75.
Initial conditions:
- Unit 2 reactor trip and SI occur due to a large break LOCA.
- RHR pump 'A' is tagged out.
- RHR pump 'B' trips.
- 19111-2, "Loss of Emergency Coolant Recirculation," is entered.
Current conditions:
- RCS cooldown to cold shutdown is in progress.
- Crew is depressurizing all intact SGs to 190 psig.
Which one of the following completes the following statement?
Per 19111-2, the RCS cooldown rate __(1)__ allowed to exceed 100 °F/hour,
and
the depressurization of all intact SGs is stopped when SG pressures reach 190 psig to
prevent __(2)__, which would directly affect natural circulation flow.
(1) is
(2) injection of accumulator nitrogen into the RCS
(1) is
(2) voiding in the reactor vessel head
(1) is NOT
(2) injection of accumulator nitrogen into the RCS
(1) is NOT
(2) voiding in the reactor vessel head
A.
B.
C.
D.
Page 30 of 30
ILT-21 Makeup RO Exam Provided References Index
1. 19241-1, Response to Imminent Pressurized Thermal Shock Condition, Figure 3,
Cold Overpressure Limit (ver. 1.1)
FR - P . 1 RESPONSE IMMINENT PRESSURIZED
THERMAL SHOCK CONDITION
19241-1
VOGTLE
Version 1.1
Unit 1
Page 31 of 32
Printed 06/20/2017 at 13:55:00
FIGURE 3
Page 1 of 1
COLD OVERPRESSURE LIMIT