RQ-C Know

Question 1

What is P-6 permissive?

Answer 1

• Any IR ≥ 10e-10 amps (1/2) (On)
• Both any IR 6e-11 Amps (2/2) (Off)
• Auto Energizes SR

Question 2

What is P-7 permissive?

Answer 2

• P-10 Off AND P-13 On (On)

- P-10 On OR P-13 Off (Off)

Question 3

What is P-10 permissive?

Answer 3

• PR ≥ 10% (2/4) (On)
  
  • Deenergizes SR
  • Resets P-7
• PR < 10% (3/4) (Off)

Question 4

What is P-13 permissive?

Answer 4

• 1st Stage # < 10% (2/2) (On)
  
  • Inputs to P-7
• 1st Stage # > 10% (1/2) (Off)

Question 5

What is P-8 permissive?

Answer 5

• PR ≤ 29% (3/4) (On)
  
  • Blocks Trip of Rx due to 1 RCS loop low flow and turbine trip
• PR > 29% (2/4) (Off)

Question 6

What is P-11 permissive?

Answer 6

• Pzr # < 1910# (2/3) (On)
  
  • Permits block of SI due to Low Pzr #
• Pzr # ≥ 1910# (2/3) (Off)

Question 7

What is P-12 permissive? (Lo-Lo T-Ave)

Answer 7

• 2 RCS loops ≤ 541°F (On)
  
  • Permits block of SI due to Low SG #
  • Steam Line Isolation
  • Blocks Steam Dumps
• 3 RCS Loops > 541°F (Off)

Question 8

What are the non-blockable Reactor Trips?

Answer 8

• PR Flux High, High Setpoint at 107% (2/4)
• PR High + SUR 4.5% in 2 sec (2/4)
• Overpower ΔT (2/4)
• SI
• Overtemp ΔT (2/4)
• Pzr # High 2385# (2/4)
• P14 (Lo-Lo SG Lvl 67% 2/3 on 1 SG)
• Lo SG Lvl (15% (26%) 1/2 on 1 SG) with SF/FF mismatch (1/2 on same SG)

Question 9

What is the P-6 blockable Reactor Trip?

Answer 9

• SR Flux High 9e4 cps (1/2)

Question 10

What are the P-10 blockable Reactor Trips?

Answer 10

• IR Flux High at 22.5% (20%) (1/2)

- PR Flux High at 20% RTP (2/4)

Question 11

What are the P-7 blocked Reactor Trips?

Answer 11

• Pzr # low @ 1950# (2/4)
• Pzr Lvl High @ 92% (2/3)
• RCP Buss undervolt @ 88V (1/2 on 2 busses)
• RCP Buss Underfreq @ 58.2 Hz (1/2 on 2 busses)
• RCP bkrs open (2/4)
• RCS Flow Low @ 91% on 2 loops (2/3)

Question 12

What are the P-8 blocked Reactor Trips?

Answer 12

• RCS Flow low at 91% (2/3 on 2 loops)

- Turbine Trip blocks at 800# (2/3) or Turbine Stop valves < 1% (4/4)

Question 13

What will give you a Steam Isolation?

Answer 13

• 2.8# Cnt # (2/4)
• 500# SG # on 2 SGs (1/1)
• High Steam Flow on 2 SGs with P-12 (1/2) at:
  1. 42e6(1.6e6) pph at 0%

Question 14

What will give you a Turbine Trip with FW isolation?

Answer 14

• SG Lvl Hi-Hi at 67% on 1 SG (2/3)
• Rx Trip with Lo Tavg at 554°F 2 of 4 loops
• SI

Question 15

What will give you a SI?

Answer 15

• Cnt # high at 1# (2/3)
• Pzr # low at 1775# (2/3)
• SG # low at 500# on 2 SGs (1/1)
• Steam Line Diff @ 100 Δp (2/3)
• Manual

Question 16

What are the MDAFP Auto starts?

Answer 16

• Both MFP Trips (Auto)
• AMSAC
• Load Shed (94/93v)
• Lo-Lo SG Lvl (67% on 1 SG)
• SI

Question 17

What are the TDAFP Auto starts?

Answer 17

• Undervolt on RCP Buss at 88v (1/2)
• SG Lvl Lo-Lo at 5% (U1) and 22% (U2)
• AMSAC (3/4 FW Flow < 25%)

Question 18

What will give you a RW Sequence?

Answer 18

• 2.5% Lvl in VCT with Lo-Lo Lvl Alarm (2/2)

Question 19

What will start your CEQ fan?

Answer 19

• 1# in Lower Cnt (283 sec delay) (2/3)

Question 20

What 3 things do you use to determine mode?

1. RCS Auctioneered Low Tavg (°F)
2. Nuclear Instrument Power (%Pwr)
3. Average RCS Temp (Tavg) (°F)
4. Rated Thermal Power (%Pwr)
6. Keff

Answer 20

3,4,6

Question 21

What is P-4 permissive?

Answer 21

• Rx Trip bkr A and Bypass bkr A open
  OR
• Rx Trip bkr B and Bypass bkr B open

Question 22

What is the C-1 conditional?

Answer 22

• IR @ 18% (16%) (1/2)
• Auto and manual rod withdrawal stop
• Manually blocked above P-10
• Auto unblocked below P-10

Question 23

What is the C-2 conditional?

Answer 23

• PR > 103% (1/4)

- Auto and manual rod withdrawal stop

Question 24

What is the C-3 conditional?

Answer 24

• Overtemp ΔT at 3% < trip setpoint (2/4)
• Gives auto and manual rod withdrawal stops and initiates turbine runback
• No block

Question 25

What is the C-4 conditional?

Answer 25

- Overpower ΔT at 3% < trip setpoint (2/4) - Gives auto and manual rod withdrawal stop and initiates turbine runback. - No block

Question 26

What is the C-5 conditional?

Answer 26

- Turbine impulse # (MPC-253) < 15% (1/1) - Inhibits AUTO rod withdrawal - No block

Question 27

What is the C-7A conditional?

Answer 27

- 10% step change turbine impulse # (MPC 254) or 5%/min load ramp rate

Question 28

What is the C-7B conditional?

Answer 28

- 30% step change from turbine impulse # (MPC 254)

Question 29

What is the C-8 conditional?

Answer 29

- Turbine trip interlock - 4/4 Stop valves < 1% - 2/3 EHC ≤ 800# - Inhibits load rejection steam dump control

Question 30

What is the C-9 conditional?

Answer 30

- Blocking Signal - 3/3 Cond ≥ 20.6" Hg - 1 CW pump running - CRID II energized

Question 31

What is the C-11 conditional?

Answer 31

- Ctrl Bank D demand at 229 steps | - Blocks auto rod withdrawal

Question 32

What is the C-20 conditional?

Answer 32

- Turbine impulse #(MPC-253 and 254) > 40% Pwr (2/2) | - Enables AMSAC

Question 33

What is P-14 permissive?

Answer 33

- SG Lvl < 64% in all for SGs (4/4) (On) - High High SG Lvl > 67% on 1 SG (2/3) (Off) - No Light