Residual Heat Removal Flashcards
1
Q
Why does the supply tap off A T-hot leg at a 45 degree angle
A
- Allows the RCS piping to be partially drained while continuing to operate the RHR system
- improves the suction head of the pump
2
Q
What are the automatic trips of the RHR pumps?
A
-UV/DV protection deenergizes the stub bus supply breaker and opens the RHR pump breakers.
3
Q
What are the fail positions of the following:
- RHR-FCV-1758
- RHR-HCV-1605
- RHR-HCV-1142
A
- 1758 - Open
- 1605 - Closed
- 1142 - closed
4
Q
What is the RHR relief setpoint and where does it relieve to?
A
600 PSIG
Relieved to the PRT