Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

.JS Sim Phase USE THIS > Week 13-15 > Flashcards

Week 13-15 Flashcards

1
Q

Using Safety Function Set 1, the CRS has identified the success paths needed to mitigate the event in progress.

  • RC-2
  • MVAC-2 In Jeopardy
  • MVDC-1
  • IC-2 In Jeopardy
  • PC-3 In Jeopardy
  • HR-1
  • CI-1
  • CTPC-1

Using the table below identify the correct performance order.

A. MVAC-2, IC-2, PC-3, RC-2

B. MVAC-2, PC-3, IC-2, RC-2

C. RC-2, MVAC-2, MVDC-1, IC-2

D. MVAC-2, IC-2, PC-3, MVDC-1

A

A. MVAC-2, IC-2, PC-3, RC-2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Using LMFRP Safety Function Set 2, the CRS has identified the following success paths needed to mitigate the event in progress.

  • RC-1
  • MVDC-1
  • MVAC-3
  • IC-2 In Jeopardy
  • PC-7
  • HR-2 In Jeopardy
  • CI-2
  • CTPC-1

Which ONE of the following identifies the correct performance order?

A. IC-2, HR-2, RC-1, MVAC-3

B. PC-7, IC-2, HR-2, MVAC-3

C. MVAC-3, IC-2, HR-2, MVDC-1

D. IC-2, HR-2, MVDC-1, MVAC-3

A

D. IC-2, HR-2, MVDC-1, MVAC-3

NOTE - Look at shaded regions not having to readdress

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q
  • Tcold 210°F.
  • Pressurizer pressure 250 psi.
  • Pressurizer level 50%.
  • All rods inserted.
  • No radiation monitors in alarm.
  • Train “A” shutdown cooling is in service; “A” LPSI is the running pump.
  • “B” Diesel generator is tagged out for a maintenance outage.
  • Train “A” LTOP relief valve lifts to 100% open and will not reseat.
  • A loss of offsite power occurs, diesel generator “A” trips on differential and is damaged.

Which success path should be addressed first?

A. MVAC-2

B. HR-2

C. IC-2

D. MVAC-3

  1. What safety function criteria are not met?

A. MVAC, IC, HR.

B. IC, PC, CI.

C. MVAC, HR, CTPC.

D. HR, CI, CTPC.

A

D. MVAC-3

A. MVAC, IC, HR.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q
  • Mode 6.
  • Refueling operations in progress.
  • The refueling machine is moving to retrieve an irradiated fuel assembly in the upender.
  • The CRS notifies the LSRO that there is a rapidly lowering fuel pool level and has implemented the LMEOP.
  • The CRS directs the LSRO to place the fuel in a safe condition, and close PCN-V118 Fuel Transfer Tube Isolation Valve.

Which of the following describes the required actions for the proper safe location of the fuel and location of the upender/carriage?

The LSRO takes action to place the:

A. Fuel in the upender and retain the upender vertical. Fuel Carriage either on the Fuel poolside or Containment.

B. Fuel in the intermediate storage rack and send the fuel carriage to the Fuel Building.

C. Fuel in the reactor vessel and retain the fuel carriage in containment.

D. Fuel grappled at the uplimit on the RFM and lower the upender horizontal.

A

C. Fuel in the reactor vessel and retain the fuel carriage in containment.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q
  • Unit 1 is operating in Mode 5 with SDC in service.
  • The ‘A’ LPSI pump is operating.
  • An inadvertent Train ‘A’ RAS occurs.

Based on these conditions, what actions, if any, are necessary to maintain and/or restore the plant to a stable condition?

A. Override and open the minimum recirc valves to restore minimum flow protection for the ‘A’ LPSI pump.

B. Override and open the LPSI injection valves to restore SDC to service.

C. No actions should be necessary, since the RAS is only Train ‘A’.

D. Override and start the ‘A’ LPSI pump and restore SDC to service.

A

D. Override and start the ‘A’ LPSI pump and restore SDC to service.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q
  • A large break LOCA has occurred
  • 40EP-9EO03, LOCA is in use
  • All systems and components have operated as designed
  • RWT level lowers to 9.0% on channels “A” and “C”
  • RWT level lowers to 10.0% on channels “B” and “D”
  • Assume no further operator action.

What is currently the suction source of the High Pressure Safety Injection pumps?

A. Refueling Water Tank.

B. Containment sump.

C. Spent Fuel Pool.

D. Refueling Water Tank and Containment sump.

A

D. Refueling Water Tank and Containment sump.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

The HPSI cold leg injection orifice is used during simultaneous hot and cold leg injection to:

A. provide instrumentation to measure flow to the hot and cold leg injection headers.

B. prevent exceeding runout condition in the HPSI pumps to prevent pump cavitation.

C. help balance SI flow to the hot and cold leg injection headers by being sized to allow approximately 50% flow.

D. provide minimum recirculation flow for the HPSI pumps to prevent overheating.

A

C. help balance SI flow to the hot and cold leg injection headers by being sized to allow approximately 50% flow.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q
  • A LOCA has occurred on Unit 1.
  • Approximately one minute after the Train B Essential Chiller started, a fault locks out PBB-S04.
  • RCS pressure is 750 psig and lowering.

Based on this, the expected safety injection would be:

A. increasing LPSI and HPSI flow into all reactor coolant loops.

B. increasing HPSI flow into all reactor coolant loops.

C. increasing HPSI flow into reactor coolant loops 1A and 1B only.

D. increasing LPSI and HPSI flow into reactor coolant loops 1A and 1B only.

A

B. increasing HPSI flow into all reactor coolant loops.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q
  • Pressurizer pressure is 1250 psia.
  • Pressurizer level is 45% and rising.
  • HPSI injection is 330 gpm/cold leg (acceptable flow).
  • Reactor coolant system is 28°F subcooled.
  • Reactor vessel level monitoring system indicates 100% in plenum and upper head.
  • No reactor coolant pumps are running.
  • Containment temperature and pressure are 195°F and 11 psig, respectively.
  • SIAS, CIAS, MSIS, and CSAS have actuated.
  • A cooldown is in progress using steam generators, both WR levels are 50% and rising.

WHICH ONE of the following identifies the action the Control Room Supervisor is to direct concerning high pressure safety injection use?

A. HPSI flow may be throttled to stabilize pressurizer level .

B. HPSI flow may be throttled until HPSI flow is the same as break flow.

C. Continue maximum injection flow until subcooling is at least 24°F.

D. Continue maximum injection flow until subcooling is at least 44°F.

A

D. Continue maximum injection flow until subcooling is at least 44°F.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q
  • Unit 1 is operating at rated power.
  • LPSI “A” becomes inoperable at 1200 on 10-10.
  • LPSI “B” becomes inoperable at 1800 on 10-15.
  • LPSI “B” is restored to operable status on 2000 on 10-15.

Assuming extensions are applied (if applicable), when must LPSI ‘A’ be restored to operable status before further action is required?

A. 1200 on 10-17.

B. 1200 on 10-18.

C. 2000 on 10-18.

D. 1800 on 10-19.

A

A. 1200 on 10-17.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Shutdown cooling is used to cool the Reactor Coolant System from a maximum of _____ to the temperature required for refueling.

A. 250°F.

B. 350°F

C. 410°F

D. 500°F

A

B. 350°F

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

The Train ‘B’ Essential Chiller is declared inoperable and the crew begins to perform the required actions of 3.7.10, Condition A. Assuming LCO 3.0.6 is implemented, how should the Operating Crew treat AFW?

Train ‘B’ AFW is considered……

A. operable since EC provides minimal support for this safety function.

B. operable as long as the required actions for EC are being implemented.

C. inoperable and the required actions of 3.7.5 must be entered.

D. inoperable, however the conditions and required actions associated with AFW are not required to be entered.

A

D. inoperable, however the conditions and required actions associated with AFW are not required to be entered.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

A loss of safety function exists when, ….

A. assuming a single failure, a fission product barrier will be lost.

B. not assuming a single failure, a safety function assumed in the UFSAR cannot be performed.

C. assuming a single failure, a safety function assumed in the UFSAR cannot be performed.

D. not assuming a single failure, a fission product barrier will be lost.

A

B. not assuming a single failure, a safety function assumed in the UFSAR cannot be performed.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

When does entry into Mode 5 from Mode 6 occur?

A. The first reactor head closure bolt is de-tensioned.

B. All reactor head closure bolts are fully tensioned.

C. All reactor head closure bolts are fully tensioned and cold leg temperature > 210 degrees.

D. RCS cold leg temperature exceeds 135 degrees.

A

B. All reactor head closure bolts are fully tensioned.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Which of the following describes the operational bypass associated with the Core Protection Calculator trips?

These trips are automatically…

A. placed in service when power increases to 1E-4%.

B. bypassed when power drops to 1E-2%.

C. bypassed when power drops to 1E-4%.

D. placed in service when power increases to 1E-2%.

A

A. placed in service when power increases to 1E-4%

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q
  • A loss of offsite power
  • Both diesel generators started and carried the loads on their respective PB busses.
  • The “A” DG received “HIGH PRIORITY TROUBLE” High Crankcase Pressure.
  • The “B” DG received a “LOW PRIORITY TROUBLE” alarm on Jacket Water Temperature (200°F) off normal
  • Both DGs continued to run.

What will happen when the “START/STOP” control switches on B01 are operated after offsite power has been restored to the class busses?

A. When the control switches are taken to start, then stop, both DGs will continue to run for 5 minutes.

B. When the control switches are taken to start, then stop, both DGs will immediately stop.

C. After taking the control switches to start, then stop, the “A” DG will immediately stop, but the “B” DG will continue to run for 5 minutes.

D. When the control switches are taken to start, the “B” DG will immediately stop, but the “A” DG will continue to run for 5 minutes.

A

C. After taking the control switches to start, then stop, the “A” DG will immediately stop, but the “B” DG will continue to run for 5 minutes.

17
Q

Which of the following actuation signals will result in an automatic start of DG “A”?

A. AFAS - 2

B. MSIS

C. FBEVAS

D. CREFAS

A

A. AFAS - 2

18
Q

The Diesel Generator is running in EMERGENCY MODE after a loss of power (LOP). What trips are enabled to protect the Diesel Generator?

A. Excess engine vibration, low lube oil pressure, overspeed.

B. Overspeed, reverse power, turbocharger low lube oil pressure.

C. Low lube oil pressure, overspeed, generator differential.

D. Main bearing high temperature, turbocharger bearing failure, generator differential.

A

C. Low lube oil pressure, overspeed, generator differential.

19
Q

The “CLEAR” indicating light on a 4160 Class breaker (cubicle door) indicates that the:

A. trip coil has continuity.

B. closing spring is charged.

C. protective relays are functioning.

D. anti-pump circuitry has continuity.

A

B. closing spring is charged.

20
Q
  • Unit is operating at rated power.
  • One Diesel Generator becomes inoperable.

Which one of the following Tech Spec actions must be completed within one hour?

A. Restore DG to operable status.

B. Verify correct breaker alignment and indicated power availability for two offsite power sources.

C. Determine that DG “B” is not inoperable due to a common cause failure.

D. Declare required feature(s) supported by DG inoperable when its redundant required feature(s) is inoperable.

A

B. Verify correct breaker alignment and indicated power availability for two offsite power sources.

21
Q
  • The Unit is at 300 Degrees and 350 psia
  • Heatup is in progress to NOP/NOT
  • PZR level is at 33% and stable

The following indications are received:

  • Steam Generator levels and pressures are stable
  • PZR level and pressure are rapidly lowering
  • RU-1 alert alarms annunciate for channels 1 and 3
  • Containment Pressure and Temperature are increasing
  • ESF Transformer NBNX03 trips due to Sudden Overpressure
  • SIAS/CIAS/MSIS actuations occur
  • HPSI “B” starts and trips on ground fault
  • DG”A” tripped on overspeed when it started

What procedure should now be implemented?

A. Loss of Coolant Accident

B. Lower Mode Functional Recovery Procedure

C. Functional Recovery Procedure

D. Excess Steam Demand

A

C. Functional Recovery Procedure

22
Q

During the performance of the Lower Mode Functional Recovery Procedure non-jeopardized safety functions can be delegated by the CRS to:

A. The reactor operator

B. The Shift Technical Advisor

C. A licensed operator from another unit

D. The area 2 auxiliary operator

A

C. A licensed operator from another unit

23
Q
  • The Unit is in mode 6 during refueling and the reactor head is fully detensioned in preparation for the head lift.
  • RVLMS level is 113’6”

The following indications are received:

  • Steam Generator levels and pressures are stable
  • RVLMS level is rapidly lowering
  • ESF Transformer NBNX03 trips due to Sudden Overpressure
  • HPSI “B” starts and trips on ground fault
  • DG”A” tripped on overspeed when it started

What procedure should now be implemented?

A. LMFRP SET-1 PZR MANWAY ON

B. LMFRP SET-2 PZR MANWAY OFF

C. LMFRP SET-3 REACTOR VESSEL HEAD REMOVED

D. Functional Recovery Procedure

A

B. LMFRP SET-2 PZR MANWAY OFF

24
Q

Each of the three Safety Function sets has its own ____________ even though the Safety Function sets share ________.

A. SFSC acceptance criteria; success paths

B. success paths; SFSC acceptance criteria

C. entry conditions; SFSC acceptance criteria

D. success paths; entry conditions

A

A. SFSC acceptance criteria; success paths

25
Q

Which of the following is the minimum allowable HPSI hot leg flow rate to compensate for boil off and maintain pump flow during LMFRP use?

A. 75gpm

B. 260gpm

C. 250gpm

D. 100gpm

A

B. 260gpm

26
Q

RCS level is at 101’10” during a hot core mid loop condition. Which of the following is an acceptable SDC flow rate during event mitigation per the LMFRP SDC success path?

A. 3850gpm 1 pump

B. 4950gpm 1 pump

C. 9000gpm 2 pumps

D. 4500gpm 1 pump

A

A. 3850gpm 1 pump

27
Q
  • The unit is at rate power.
  • “A” train inadvertent CSAS occurs.

Which of the following accurately describes what condition(s) will trip the “A” Diesel Generator?

A. Any valid trip signal.

B. Any emergency run trip signal.

C. Generator differential trip ONLY.

D. Low lube oil pressure trip ONLY.

A

A. Any valid trip signal.

28
Q
  • The CRS directs the Secondary Operator to manually trip the reactor.
  • The Secondary Operator depresses just two of the four manual trip pushbuttons on B05.

Which one of the following is true?

A. The reactor may fail to trip depending on which two buttons were depressed.

B. The reactor will not trip because no TCBs will open.

C. The reactor will trip regardless of which two pushbuttons were depressed.

D. The reactor will not trip but all four RPS initiation relay lights on B05 will extinguish.

A

A. The reactor may fail to trip depending on which two buttons were depressed.

.JS Sim Phase USE THIS (19 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions