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ILT Review Often > Misc Signals > Flashcards

Misc Signals Flashcards

1
Q

What will a High Rad signal cause in the SFP Area? (R-5)

A
  1. Aux Fuel Supply Fans Trip

2. Aux Fuel Exhaust Fans go into Charcoal Filter Mode.

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2
Q

Will the AES Fan automatically go into Charcoal Filter Mode on a High Rad Signal?

A

No. It must be done manually. (Auto on phase B)

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3
Q

A high rad signal on which rad monitors will start the Control Room Pressurization Fans?

A

Unit 1 7401

Unit 2 8401

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4
Q

What will close the CCW Surge Tank Vent Valve?

A

High Rad on:
R17A/B
CRS-3301 and 3401
CRS-4301 and 4401

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5
Q

What will happen on a High Rad on R-19?

A
  1. DRV-350 Closes
  2. SG BD Isolates
  3. BD Sample Valves Close
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6
Q

What will happen on a High Rad on R-24?

A
  1. DRV-350 Closes
  2. SG BD Isolates
  3. BD Sample Valves Close
  4. BD Treatment Pump Trips
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7
Q

What gives a Feed Water Isolation Signal?

A
  1. SG Hi-Hi 67% 2/3 on 1 SG
  2. Rx Trip (P-4) with Low Tave 554*F
  3. SI
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8
Q

What happens on a FWI Signal?

A
  1. FRVs Close

2. FMOs Close

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9
Q

What gives a Steam Line Isolation Signal?

A
  1. Hi-Hi Containment Pressure of 2.8 #s on 2/4
  2. Low Steam Line Pressure < 500 #s on 1/1 on 2/4 SGs
  3. Hi Steam Flow with P-12
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10
Q

What happens to Containment Ventilation on a Load Conservation Signal?

A

Several Fans Trip

  1. CPR Fans
  2. Upper Ctmt Vent Fans
  3. IR Vent Fan
  4. PZR Enclosure Fan
  5. Hot Sleeve Vent Fan
  6. Rx Cavity Supply Fans
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11
Q

How does the CRP realign on High Rad?

A

Damper 1, normal outside air closes

Damper 2, alt outside air part opens

Damper 3, Recirc stays open

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12
Q

An autostart of what gives an AFW flow conservation signal?

A

MDAFW pump

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13
Q

What is the purpose of an AFW flow conservation signal?

A

Conserves inventory and max flow to the SGs

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14
Q

What is the purpose of an AFW flow retention signal?

A

protects against runout (over-rides conservation signal)

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15
Q

What enables AMSAC?

A

C-20: Turbine 1st stage > 40% (2/2)

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16
Q

What are the Time Delays for AMSAC?

A

based on power from 40% - 100%, 220 sec - 27 sec

17
Q

What gives you a CVI?

A
  1. Ctmt Activity High

2. SI

18
Q

What gives you a Turbine Trip?

A
  1. SI

2. SG Hi-Hi 67% 2/3 on 1 SG

19
Q

What gives you a Reactor Trip?

A
  1. Turbine Trip
  2. SI
  3. Non-Safety Bus Undervoltage
  4. SG Level Lo-Lo

ILT Review Often (23 decks)

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