quiz 4 review

Question 1

Power Supply Nuke Service pump A

Answer 1

P 480V ES

Question 2

Power Supply Nuke Service pump B

Answer 2

S 480V ES

Question 3

NS V 15 power supply

Answer 3

1 C ESV MCC

Question 4

NS-V-35

Answer 4

1B ESV MCC

Question 5

NS-V-4

Answer 5

1A ESV MCC

Question 6

NS-V-32

Answer 6

1C ESV

Question 7

NS-V-52/53 a,b,c power supply

Answer 7

1E DC, 1F DC, 1M DC

Question 8

why shouldn’t you cross connect decay closed and nuke service?

Answer 8

because nuke service is pressurized, overflow decay closed

Question 9

what is NS-V-135 for?

Answer 9

excess flow check valve

Question 10

scenario: lowering level in nuke service, get low level alarm in, then get an ES.

Answer 10

you need to push the button to reset or that interlock will stay active

Question 11

IC-V-2,3,4, and 6 power supply

Answer 11

1B ES, 1E ES, M DC, M DC

Question 12

intermediate closed pump power supply

Answer 12

A and B ES MCC

Question 13

intermediate closed filters purpose

Answer 13

protect CRDM by trapping ferrous material

Question 14

if you lose CRDM cooling, how long to hit trip criteria (time) and temp, and how many?

Answer 14

about 7 mins, 2 stators of 180F +

Question 15

if IC-V-1’s are mid travel and lose power

Answer 15

it stops where it’s at

Question 16

RCDT cooler permissive IC-V-4 operating temp

Answer 16

90-105

Question 17

3 conditions to clsoe Ic-v-74

Answer 17

2 closes, 3 closes, or 4 and 6 both close

Question 18

RM-L-9 location

Answer 18

spent fuel pool as well as surge tank

Question 19

main steam stop check valves location and power supply

Answer 19

intermediate building, power supply C ES valves

Question 20

condensor vacuum interlock

Answer 20

less than 23” of vacuum or less than 2 circ water pumps, MS-V-3’s close and steam goes to atmosphere

Question 21

stop check valves location and alarm actions/setpoints

Answer 21

intermediate building. if alarm go to 90% if you can’t get it back open, go to 15%.

Question 22

MS-V-13a/B open sequence/time

Answer 22

a opens immediately, then 53 seconds later b opens to prevent overspeeding

Question 23

MS-V-10, DC operated when?

Answer 23

when you have low steam pressure

Question 24

normal conditions of ms-v-10a/b

Answer 24

valves closed, breakers open

Question 25

msv-2 and 8 power supply

Answer 25

C ES valves

Question 26

EFW spray in SG and why

Answer 26

high, develop thermal driving head

Question 27

6 circ water pump power supplies

Answer 27

A/D is A 4kv B/E is B 4kv C/F is C 4kv

Question 28

Normal makeup to hotwell?

Answer 28

CO-V-7

Question 29

if level in hotwell lowers then which go full open, which open if continues. if level is too high which opens? at what height will that valve close?

Answer 29

level lowers, CO 7 goes full open, if continues then 8 opens. if level is too high at 18.5' then 6 will open, close at 150k gallons

Question 30

condensate: if emergency pushbutton in control rool, what do i have to do?

Answer 30

break vacuum, 6 and 7 close, 8 will open.

Question 31

co-v-51 begins opening at what and closes at what pressure?

Answer 31

begin opening at 35 and full open at 50

Question 32

co-v-5 booster recirc valve conditions (2)

Answer 32

< 3000 gpm and > 100 psig condensate pressure

Question 33

aux oil pump start pressure, stop pressure, pressure to start booster pump

Answer 33

5# aux oil pump starts, stops at 12#. 6# needed for booster pump start.

Question 34

oil pressures in feed system and names

Answer 34

200# hydraulic, 55# control oil, 20# pump bearing, 12# turbine bearing

Question 35

aux oil pumps for feed pump setpoint and which can they maintain?

Answer 35

at 43# in 55# system will start LOP8 (aux oil pump) supply all 200#

Question 36

36# reaches then what starts and supplies what?

Answer 36

LOP9 starts and supplies up to 55# ones

Question 37

electrical turbine trips (6, we care about 5)

Answer 37

20" vacuum (2 of 3 logic), 4# lube oil pressure in 12# header, counting circuit, co-v-9a/b close, pushbutton in control room, (thrust bearing wear)

Question 38

Main feedwater isolation conditions. pressure in otsg, percent operating range, which 4 valve close?

Answer 38

< 600# OTSG, >97.5% in operating range, FW-V-16,92,17 and 5 will close

Question 39

how many CRD do we have? divide up to what?

Answer 39

61, divided up 7 groups. First 4 groups are safety (8 rods each) group 5 has 12, and 6 has 8, and 7 has 9.

Question 40

purpose of source interrupt?

Answer 40

protects control rods against stator damage (high temp) Protects against ratchet trip (low voltage)

Question 41

source interrupt: AC single rod power supply input

Answer 41

HI HI voltage on 2 phases of a train, shunt trip A and C (B and D)

Question 42

source interupt: Low voltage on 2 phases on each of both trains?

Answer 42

shunt traip all 4 AC breakers

Question 43

HI voltage on 1 phase of a train?

Answer 43

alarm and lock regulator

Question 44

low voltage on 1 phase of either train?

Answer 44

alarm

Question 45

9" asymmetric AND in limit or 0% causes what?

Answer 45

plant runback

Question 46

Asymmetric Rod will take diamond to manual? true or false

Answer 46

false

Question 47

pushing button takes diamond to manual?

Answer 47

true

Question 48

solid green for crd means what?

Answer 48

healthy, standby is good, it's educated

Question 49

if you lose E (F) DC then you lost control power for what?

Answer 49

for A (B) train ES components