RQ-C-KNOW Reactor Trips

Question 1

Source Range High Flux Setpoint

Answer 1

90,000 CPS

Question 2

Source Range High Flux Coincidence

Answer 2

1 of 2

Question 3

Source Range High Flux Interock

Answer 3

P-6

Question 4

Intermediate Range High Flux Setpoint

Answer 4

22.5% (U1) 20% (U2)

Question 5

Intermediate Range High Flux Coincidence

Answer 5

P-10

Question 6

Intermediate Range High Flux Interlock

Answer 6

P-10

Question 7

Power Range High Flux, Low Setpoint (Setpoint)

Answer 7

20% RTP

Question 8

Power Range High Flux, High Setpoint (Setpoint)

Answer 8

107% RTP

Question 9

Power Range High Positive Rate Setpoint

Answer 9

4.5% Rise in 2 sec

Question 10

Power Range High Flux, Low Setpoint (Coincidence)

Answer 10

2 of 4

Question 11

Power Range High Flux, High Setpoint (Coincidence)

Answer 11

2 of 4

Question 12

Power Range High Positive Rate Setpoint Coincidence

Answer 12

2 of 4

Question 13

Overtemperature Delta T Coincidence

Answer 13

2 of 4

Question 14

Overpower Delta T Coincidence

Answer 14

2 of 4

Question 15

Pressurizer Pressure, High Setpoint

Answer 15

2385 psig rising

Question 16

Pressurizer Pressure, High Coincidence

Answer 16

2 of 4

Question 17

Pressurizer Pressure, Low, Setpoint

Answer 17

1950 psig rising

Question 18

Pressurizer Pressure, Low, Coincidence

Answer 18

2 of 4

Question 19

Pressurizer Pressure, Low, Interlock

Answer 19

P-7

Question 20

Pressurizer Water Level High Setpoint

Answer 20

92% raise

Question 21

Pressurizer Water Level High Coincidence

Answer 21

2 of 3

Question 22

Pressurizer Water Level High Interlock

Answer 22

P-7

Question 23

RCS Loss of Flow Setpoint

Answer 23

91% lowering

Question 24

RCS Loss of Flow Coincidence

Answer 24

2/3 on 1/4 loops >P-8

2/3 on 2/4 loops P-7

Question 25

RCS Loss of Flow Interlocks

Answer 25

P-7 and P-8

Question 26

UV- RCP Buses Setpoint

Answer 26

88V indicated

Question 27

UV- RCP Buses Setpoint Coincidence

Answer 27

1/2 on 2/4 buses

Question 28

UV- RCP Buses Interlock

Answer 28

P-7

Question 29

Underfrequency- RCP Busses Setpoint

Answer 29

58.2 Hz

Question 30

Underfrequency- RCP Busses Coincidence

Answer 30

1/2 on 2/4 buses

Question 31

Underfrequency- RCP Busses Interlock

Answer 31

P-7

Question 32

RCP Breaker Position Setpoint

Answer 32

Open Aux Switch

Question 33

RCP Breaker Position Coincidence

Answer 33

2 of 4

Question 34

RCP Breaker Position Interlock

Answer 34

P-7

Question 35

SG Water Level Low-Low Setpoint

Answer 35

5% (U1) 22% (U2)

Question 36

SG Water Level Low-Low Coincidence

Answer 36

2/3 on 1/4 SGs

Question 37

SG Water Level Low-with Feedflow < Steamflow Setpoint

Answer 37

15%, 0.71M (U1) | 26% 1.47M (U2)

Question 38

SG Water Level Low-with Feedflow < Steamflow Coincidence

Answer 38

1/2 on 1/4 SGs | 1/2 on same SG

Question 39

Safety Injection Setpoint

Answer 39

Any Either Train

Question 40

Turbine Trip Setpoint

Answer 40

Autostop oil pressure 800 psig lowering or Stop valves 1% and lowering

Question 41

Turbine Trip Coincidence

Answer 41

2 of 3

Question 42

Turbine Trip Interlock

Answer 42

P-8

Question 43

Manual

Answer 43

Manual Switch

Question 44

Manual Coincidence

Answer 44

1 of 2