Student Guide E-0 series

Question 1

List transitions from E-0?

Answer 1

FRS.1
ECA0.0
ES0.1

Question 2

List order of diagnostic transitions?

Answer 2

1- PORV stuck open
2- Easy to find / fix and mask other issues
3- Stop offsite dose / TCAs
1- Auto can handle

Question 3

What does uncontrolled mean?

Answer 3

Not within control of operator

Question 4

What are indications of:
Faulted SG
SGTR
LOCA

Answer 4

Faulted - SG P lowering, Tavg lowering, PRZ lvl and pressure lowering, SF>FF

SGTR - PRZ lvl and pressure lowering, rad monitors, SG lvl rising, SG sat temp vs RCS T

LOCA - PRZ lvl and pressure lowering, Tavg stable, CNMT parameters, SG pressure lowering

Question 5

What are SI termination criteria and why check prior to stopping SI?

Answer 5

> 40F subcooling
RCS pressure stable or rising
Heat sink
PRZ level 16 / 20%

Question 6

What are indications of Natural Circ?

Answer 6

CETC - stable or lowering
SG - pressure lowing
Subcooling > 40F and rising
CL at SG sat temp
RCS HL temps stable or lowering

Question 7

Why is head voiding a concern?

Answer 7

Could cause a loss of PRZ lvl

Question 8

What are indications of head voiding?

Answer 8

PRZ lvl fluctuating, RVLIS lvl