Estimated Critical Condition Flashcards
1
Q
What are the Transient Fission Products?
A
Xenon
Samarium (negative effect)
Plutonium (positive effect)
2
Q
What are the six terms used for ECC?
A
Xenon Soluble Boron Control Rod position Transient Fission Products Power Effect of Tc
3
Q
What are the time limits for determining Xenon worth for a startup when using XeRho OAP?
A
1 hour of ETOC if <96 hours
24 hours of ETOC if > 96 hours
4
Q
Who performs an ECC and who approves it?
A
RX ENGR performs
SM approves
5
Q
How are the -500/-750 pcm CEA positions determined?
A
Core Data Book
6
Q
What must the LOWER LIMIT for the -500/-750 CEA position be above?
A
The PDIL’s
7
Q
How are CEA Hold Points calculated?
A
CEA Worth from ALL REG CEA’s fully inserted to RG3 at 60”, then divide by 4
8
Q
When is Xenon considered to be COMPLETELY GONE from the core?
A
After 96 Hours
