CVCS (Class room)

Question 1

1% in the PZR is equal to how many gallons?

Answer 1

50.56 gallons per percent

Question 2

1 inch in the VCT is equal to how many gallons?

Answer 2

23.99 gallons

Question 3

VCT levels from LT-112

Answer 3

30-39” Normal divert for LCV-115A
16.6” For Auto swap recovery.
12.4” For Auto swap LCV-115C/B

Need both LT-112 and LT-115 for swap

Question 4

VCT levels for LT-115

Answer 4

51.6” Full divert for LCV-115A
48.6” High alarm
45.6” LCV-115A back to VCT
24.4” Auto makeup stops
20.2” Auto makeup starts
16.6” Swap recovery
12.4” Swap

Both LT needed for Swap

Question 5

Tavg, Power, PZR level
corralation

Answer 5

Power- 0%-100%
Tavg-547-575.9 degrees
PZR lvl 22.2-53.3%

Question 6

What is the ratio needed for letdown to charging through the Regen heat exchanger

Answer 6

2:1
Letdown:charging

Question 7

Primary water pumps

Answer 7

MCC-1/2
20 starts with 2 minutes

Question 8

Boric Acid Pumps

Answer 8

Mcc-5/6
13 starts with 3 mins

Question 9

Charging pumps

Answer 9

DS/E1/E2
4 starts with 5 mins

Question 10

Phase A valves in CVCS

Answer 10

CVC-200A/B/C Letdown Orifice Isolation Valves
LCV-204A/B Letdown Line Isolation valves
CC-739 CCW to Seal Water Return Hx

Question 11

Phase B valves in CVCS

Answer 11

CVC-381 Seal Water Return Isolation Valve

Question 12

All 3 way valves in CVCS do what?

Answer 12

Fail to VCT

Question 13

All Letdown Valves fail Close except?

Answer 13

TCV-144 Non-regen HX temperature control valve
PCV-145 Low Pressure Letdown Valve

Question 14

All charging Valves fail Open except?

Answer 14

CVC-311 Aux PZR spray
CVC-307 Seal bypass

Question 15

Boric acid and makeup valves fail closed except

Answer 15

FCV-113A Boric Acid to Blender

Question 16

CVC-203A/B Letdown Relief Valves go where? whats the setpoint?

Answer 16

Relive to PRT
500 and 630psig

Question 17

CVC-209 Low Pressure Letdown Relief goes where at what setpoint?

Answer 17

Relieves to VCT at 200psig

Question 18

All Filters in CVCS have a setpoint of what?

Answer 18

20psid

Question 19

CVC-257 VCT relief valve goes where at what pressure?

Answer 19

Vent header, at 75psig

Question 20

CVC-382 RCP Seal Line return relief goes where at what setpoint?

Answer 20

Relieves to PRT at 150psig

Question 21

Boric Acid deviation
setpoint and closes what valve?

Answer 21

+/- 0.5gpm with a 45sec TD
Closes FCV-113B (Blended Makeup to Charging pump suction)

Question 22

5 Boration Flowpaths:

Answer 22

Through FCV-113A and 113B
Through LCV-115B or CVC-358 (close LCV-115C)
Through FCV-113A and 114B (not heat traced)
Through MOV-350
Through FCV-113A and CVC-356

Question 23

VCT normal pressure, ITS pressure?

Answer 23

22-28psig
ITS 15psig

Question 24

CVC-381, LCV-115C, MOV-350
Power Supplies?

Answer 24

MCC-5/6/5

Question 25

Boric Acid Heat trace primary and secondary power supplies?

Answer 25

Primary MCC-6
Seconday MCC-5
(Backwards)

Question 26

CVC-389 Excess Letdown Diversion can go where?

Answer 26

Normally to VCT, but can divert to RCDT

Question 27

MOV-350 flow rate?

Answer 27

60gpm