Nitrogen (GA) Flashcards
1
Q
what pressures does the nitrogen system support
A
High Pressure ~650psig
Low Pressure ~ 115psig
2
Q
What high pressure components does the (GA) system support pressure to
A
Safety injection tanks
ADV’s
SG downcomer feedwater isolation valves & control valves (FWIV’s)
3
Q
What uses Nitrogen for opening
A
FWIV’s
4
Q
What 12 components uses Nitrogen for Blanketing
A
TC Surge tank
NC Surge tank
EW Surge tank
EC Surge tank
CST
DWST
EDT
RDT
VCT
BAC
Steam Generators
5
Q
What Is Nitrogen supplied based on
A
System Demand
6
Q
What pressure is the liquid nitro tank maintained at
A
150psia
7
Q
when do the relife valve lifet
A
245 psig
8
Q
when do AO’S manually relive pressure
A
220 psig
9
Q
When will the PLC send a start signal
A
when pressure in the active bank drops below 1400psig
