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NRC Prep > After Thoughts > Flashcards

After Thoughts Flashcards

1
Q

What is the interlock with both CCP breakers open?

A

LD Orifice Valves will close

QRV-160, 161, and 162

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2
Q

What will close the LD Orifice Valves? (4 things)

A

Phase A

When either LD Isolation Valve is closed

Loss of both CCPs

PRZ Level at 17%

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3
Q

What is the interlock to open the LD Isolation Valves?

A

Will not open if any orifice isolation valve is open

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4
Q

What is the interlock with IMO-128?

A

NPS-122, Loop 1, Ch 3

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5
Q

What is the interlock with ICM-129?

A

NPS-121, Loop 2, Ch2

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6
Q

After swap to CL Recirc, how long do you have to isolated the SAT?

A

5 minutes to keep the NAOH from messing up the pH

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7
Q

How do you adjust the temperature for the H2 Recombiners?

A

Adjust the KW

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8
Q

What is the MFP low condenser vacuum trip?

A

U1 = 20” Hg

U2 = 20.3” Hg

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9
Q

What is the MFP Low Lube Oil pressure trip?

A

4# with a 5 second time delay

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10
Q

What is the Low Suction pressure MFP Trip?

A

180# with a 5 sec time delay

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11
Q

What is the Low Pressure auto start for CCW?

A

80#

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12
Q

What is the low pressure auto start for ESW?

A

40#

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13
Q

What is the Low Pressure auto start for NESW?

A

U1 = 55#

U2 = 60#

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14
Q

What are the design features to prevent SFP from draining?

A

No Gravity Drains

Suction’s 19.5” below surface

Return Lines > 6’ above fuel

Anti-Siphone Holes 4” below surface

Skimmer 6” below normal surface

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15
Q

What is the low pressure autostart for the CBP?

A

325#

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16
Q

What is the low pressure auto start for the hotwell pumps?

A

130# for unit 1
110# for unit 2

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17
Q

RCDT Inputs?

A

Accumulator Drains

RCS Loop Drains

Regen and XS LD HX Drains

RX Vessel Flange Leakoff

Refueling cavity

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18
Q

What is the U1 Turbine Low Vac Trip from DCS?

A

22.5” Hg at 100% power

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19
Q

What is the U1 Turbine Trip from Low Oil Pressure?

A

8 psig for > 5 secs

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20
Q

What is the U2 Turbine Trip from Low Vacuum?

A

22.5” Hg at 100% power

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21
Q

What is the U2 TUrbine Trip from Low Oil Pressure?

A

14.7 psig for > 5 secs

22
Q

What is the input to the RIL Computer?

A

Auctioneered high Delta T

23
Q

What are the PRT Inputs?

A

Seal Return Safety

ECCS Safeties

RHR Suction, HL Discharge and Hx Safeties

CCP Safeties

24
Q

What temperature does the Turbine Trip Steam Dump controller control at?

A

547* F

25
Q

What temperature does the Load Rejection Controller control at?

A

552* F

Rods take care of the other 5*

26
Q

What is the input for the MFP DP Setpoint?

A

Total Steam Flow

27
Q

What is the alternate power supply for the CRIDs?

A

600V thru the Isolimeter

28
Q

If the CRID is on the alternate source of power (600 V), what is the status of the Inverter and Bus?

A

Inverter = INOP

Bus = OPERABLE

29
Q

If the CRID is on CRP-3 power source, what is the status of the CRID Bus?

A

INOP

30
Q

What’s the MS pressures for U1 and U2 at 50% power?

A

U2 will be higher than U1 due to the higher temperature at which it operates

31
Q

Steam dumps are in steam pressure mode and fail open. What is the minimum action to stop the cooldown involving the switches?

A

Take 1 switch to off

32
Q

What’s the basis of the 46K FO Storage Tank Tech Spec?

A

1 EDG for 7 Days

33
Q

What is a DAC hour?

A

1 DAC Hr = 2.5 mrem

34
Q

How does IRV-311 fail on a loss of CA?

A

Open

35
Q

A High rad on which Rad Monitor meets entry Conditions for Irradiated Fuel Handling Accident in Containment - Control Room Actions?

A

VRS-1500, Vent Stack

36
Q

What are the SC requirements during NC with and without CRDMs?

A

90*F with CRDMs

220*F without CRDMs

37
Q

What would result in immediate suspension of core alts?

A

Loss of comms between the Control Room and Fuel Handling People

38
Q

When evacuating the CR, how is CVCS cross-tie done and how is it monitored?

A

Opp Unit CCP suction to the RWST. Flow is tracked by the U1/2 cross-tie flow indicator

39
Q

How does the AEO Trip the Rx Locally in FRS-1?

A

Rx Trip Breakers

Rx Trip Bypass Breakers

MG Set Output Breakers (2)

40
Q

Has significant fuel damage occurred when CETs are at 1200*F?

A

No

41
Q

Which procedures can you transition to from the immediate actions of E-0?

A

ES-0.1 if SI is not actuated or required

ECA-0.0 if no power to either A or D T bus

FR-S.1 if Rx Trip is unsuccessful

42
Q

What is the order of preference for depressurization in ES-1.2, Post LOCA Cooldown and Depressurization?

A
  1. Normal Spray
  2. PORV
  3. Aux Spray
43
Q

What is indicative of a RCP Thermal Barrier Hx Failure?

A

RCP Alarms

CCW Surge Tank Level Rising

RCP Cooling water flow mismatch

44
Q

Which pump is the CCW Misc Hdr aligned to first when splitting trains out to identify the leak?

A

East

45
Q

What is used to determine with PRZ PORV is leaking?

A

Rising PORV Discharge Temp

46
Q

During a SG Tube Leak, when would you trip the RX and SI?

A

RCS SC < 40*F

PRZ Level is not able to be maintained

SG Tube Leak of > 100 gpm

47
Q

What are the indications of #1 RCP Seal Failure?

A

1 Seal DP LOwering

SLO Flow Lowering or Raising (depending)

Lower Bearing Water Temp Rising

48
Q

What are the indications of a # 2 Seal Failure?

A

1 SLO Flow Lowering (usually) or Rising

RCDT Level / Temp Rising

RCP Standpipe Level High

Vibes rising

49
Q

If you lose a Train of 250 VDC, what will cause a Reactor Trip?

A

RCP Bus UF / UV

50
Q

A loss of which train 250 V DC will NOT trip the generator and why?

A

Train A bc it powers 33 VED

51
Q

Which Tain of 250 VDC powers annunciators?

A

Train A

52
Q

A loss of which train of 250 VDC will cause all 9 steam dump valves to be blocked closed?

A

Either Train

NRC Prep (10 decks)

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