Q56 — FRSM-1 Local Reactor Trip Breakers [EDITED]
029 ATWS-G2.4.35 (3.8)
Given:
• The crew is preparing to trip the reactor locally in accordance with 2-EOP-FRSM-1 (RESPONSE TO NUCLEAR POWER GENERATION) Step 6
Considering ONLY the following breakers:
1. Reactor Trip Breakers
2. Rod Drive MG Set Motor Breakers
3. Rod Drive MG Set Generator Breakers
Which ONE of the following completes the statements below?
When directed from the Control Room to locally TRIP the Reactor, the NEO will open ___
• The crew is preparing to trip the reactor locally in accordance with 2-EOP-FRSM-1 (RESPONSE TO NUCLEAR POWER GENERATION) Step 6
Considering ONLY the following breakers:
1. Reactor Trip Breakers
2. Rod Drive MG Set Motor Breakers
3. Rod Drive MG Set Generator Breakers
Which ONE of the following completes the statements below?
When directed from the Control Room to locally TRIP the Reactor, the NEO will open ___
A. 1 ONLY
B. 1 and 2 ONLY
C. 2 and 3 ONLY
D. 1, 2 and 3
▶ Show Answer & Explanation
✓ D. Correct. IAW 2-EOP-FRSM-1 Step 6, the crew will direct the NEOs to open the Reactor Trip Breakers, the Rod Drive MG Set Motor Breakers and the Rod Drive MG Set Generator Breakers.
✗ A. Incorrect but plausible. Since opening any one set of breakers (1, 2 or 3) will trip the reactor, any combination of 1, 2 or 3 is plausible.
✗ B. Incorrect but plausible. Since opening any one set of breakers (1, 2 or 3) will trip the reactor, any combination of 1, 2 or 3 is plausible.
✗ C. Incorrect but plausible. Since opening any one set of breakers (1, 2 or 3) will trip the reactor, any combination of 1, 2 or 3 is plausible.
Ref: 2-EOP-FRSM-1 | LO: NOS05FRSM00-04 (EOP-FRSM-1 AND 2 RESPONSE TO NUCLEAR POWER GENERATION) | Source: New | Cognitive: Lower
Connections
- Related systems: Control Rod Drive, RPS/SSPS
- Related EOPs: EOP-FRSM-1 — Response to Nuclear Power Generation
- Related exam: 2019 NRC Written Exam