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Exams > 2023 Q61 — Liquid Radwaste Release / CW Circulators

2023 Q61 — Liquid Radwaste Release / CW Circulators

⚠️ DRAFT
Q61 — Liquid Radwaste Release / CW Circulators T2G2 068 K5.07 (2.6)
Given:
- Salem Unit 1 is at 100% power and Unit 2 is in MODE 5.
- Release of 11 CVCS Monitor Tank is in progress.
- The release path is through 11 CC Heat Exchanger and Unit 2 CW system
- 22A and 22B Circulators are the only circulators in service
Then:
- 22A Circulator trips

Based on the above condition, which one of the following describes the impact to the liquid release in progress?

1) The release (1) automatically isolate upon the loss of the circulator.
2) The release (2).
A. (1) will NOT (2) may continue
B. (1) will NOT (2) may NOT continue
C. (1) will (2) may NOT recommence
D. (1) will (2) may recommence
▶ Show Answer & Explanation
✓ A. Correct. Per S1.OP-SO.WL-0001 only one circulator is required to be in service to allow the release to continue. The 1R18 does not isolate or close the 1WL51 on loss of flow.
✗ B. Plausible because the operator may believe that you need both circulators in service to continue the discharge.
✗ C. Plausible because the operator may believe that the 1R18 radiation monitor will trip the 1WL51 closed when loss of flow is detected or may believe the operator may believe that you need both circulators in service to continue the discharge.
✗ D. Plausible because the operator may believe that the 1R18 radiation monitor will trip the 1WL51 closed when loss of flow is detected.
Ref: S1.OP-SO.WL-0001 (R29) | LO: NOS05WASLIQ-11, Objective 12 — Discuss the procedural requirements associated with the Radioactive Liquid Waste System, including an explanation of major precaution and limitations in the Radioactive Liquid Waste System procedures | Source: New | Cognitive: Comprehension/Analysis

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