ERFDADS

Question 1

What is the power supply to ERFDADS?
A.  PNA-D25
B.  PNB-D26
C.  NQN-D01
D.  NNN-D11

Answer 1

C

Question 2

While monitoring ERFDADS, the RO notes point SPDS0001 for Pressurizer Pressure is reading 1350 psia and is highlighted in white. Which of the following statements is true?
A. ERFDADS calculates this to be a good value
B. ERFDADS calculates this to be a suspect value
C. The value is out of range
D. The value has been manually inputted

Answer 2

B

Question 3

Containment Area Monitor RU-1 has an ALERT alarm.
The RO notes letdown flow is trending down, VCT level is trending down, and Pressurizer level is stable.
ERFDADS calculated RCS leakrate is 5 gpm and trending up.
The ERFDADS leakrate is currently ___(1)___ than actual leakrate. If the leakrate is stable, ERFDADS will have an accurate calculation in ___(2)___ minutes.
A. (1) less; (2) 7.5
B. (1) less; (2) 15
C. (1) greater; (2) 7.5
D. (1) greater; (2) 15

Answer 3

A

Question 4

On September 1, Unit 1 reactor tripped. The STA saved the PTARS data in the SECONDARY file.
On September 7, Unit 1 reactor tripped. The STA did not save the PTARS data.
On September 12, Unit 1 reactor tripped. At this time, data in the STANDBY PTARS file is from ___(1)___ and data in the SECONDARY PTARS file is from ___(2)___.
A. (1) September 7; (2) September 1
B. (1) September 12; (2) September 1
C. (1) September 7; (2) September 12
D. (1) September 12; (2) September 12

Answer 4

B