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Exams > 2023 Q32 — PRT Level High / Drain Path via RCDT Pump

2023 Q32 — PRT Level High / Drain Path via RCDT Pump

⚠️ DRAFT
Q32 — PRT Level High / Drain Path via RCDT Pump 007 K1.06 (2.6)
Given:
• Salem Unit 2 is at 100% power
• Console Alarm PRT LEVEL HI-LO is LIT
• PRT level is 90%

Which of the following completes the statement?

PRT level will be lowered ...
A. Via RCDT Pump to Aux Building Sump
B. Via RCDT Pump to CVCS Hold-Up Tank
C. Gravity drain to CVCS Hold-Up Tank
D. Gravity drain to Aux Building Sump
▶ Show Answer & Explanation
✓ B. Correct. Per S2.OP-SO.PZR-0003: open 2PR14 to drain PRT to RCDT, which automatically opens 2WL12 and starts the RCDT pump (defeats low level cutoff). RCDT pumps discharge to: RWST, CVCS Hold-Up Tanks, or Waste Hold-Up Tanks.
✗ A. Incorrect. The PRT does drain via the RCDT pump, but the RCDT pump discharges to the RWST, CVCS Hold-Up Tanks, or Waste Hold-Up Tanks — not to the Aux Building Sump.
✗ C. Incorrect. The PRT does not gravity drain to the CVCS Hold-Up Tank. The drain path requires the RCDT pump to transfer the PRT contents.
✗ D. Incorrect. The PRT does not gravity drain, and the destination is not the Aux Building Sump. The RCDT pump is required, and it discharges to RWST, CVCS HUTs, or WHUTs.
Ref: S2.OP-SO.PZR-0003 (R17) | Source: New | Cognitive: Fundamental/Analysis

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