Essential Cooling Water

Question 1

Normal system flow for the Essential Cooling Water system is closest to which of the following?
A.  12,500 gpm
B.  14,500 gpm
C.  16,500 gpm
D.  18,500 gpm

Answer 1

B

Question 2

Unit 3 is at 100% power with all systems in a normal lineup.
‘A’ NC pump trips on a motor ground.
‘B’ NC pump shaft shears when it auto starts.
The operating crew cross-ties ‘A’ EW to NC in accordance with 40AO-9ZZ03, Loss of Cooling Water.
Which of the following will cause a loss of cooling flow to the normal chillers?
A. Manual actuation of CSAS
B. Containment Pressure of 4 psig
C. Pressurizer Pressure of 1900 psia
D. NC surge tank low level

Answer 2

B

Question 3

Unit 1 is at 100% power with all systems in a normal lineup.
Which of the following will NOT cause an automatic start of ‘A’ EW pump?
A. RU-31, Spent Fuel Pool Area Monitor, has a HIGH alarm.
B. Pressing the TEST button on the ‘B’ CPIAS module at BOP-ESFAS
C. Starting the ‘A’ DG using DGA-HS-1 on B01
D. Initiating ‘A’ CREFAS from B05

Answer 3

C

Question 4

Nitrogen pressure of approximately ___(1)___ is maintained on the EW surge tanks in order to ___(2)___.
A. (1) 5 psig; (2) provide NPSH to EW pumps
B. (1) 5 psig; (2) minimize corrosion of EW piping
C. (1) 30 psig; (2) provide NPSH to EW pumps
D. (1) 30 psig; (2) minimize corrosion of EW piping

Answer 4

B