PW (Plant Cooling Water)

Question 1

The reactor is at 100% power ‘A’ PW Pump is tagged out of service and disassembled. The ‘B’ PW Pump trips and locks out on instantaneous overcurrent due to a locked rotor. The crew should…

A. place the ‘B’ PW pump in ‘PULL TO LOCK’ and perform 40AO-9ZZ12, Degraded Electrical.
B. immediately cross tie EW to NC and SFP cooling.
C. immediately reset the 86 lock out and attempt to restart the ‘B’ PW pump.
D. immediately trip the reactor and perform SPTAs.

Answer 1

Answer: D