RX Vessel and Core Construcrion Flashcards
1
Q
Number of Fuel Assemblies
A
157
2
Q
Number of fuel rods per assembly
A
204
3
Q
Number of Thimble tubes per assembly
A
20
4
Q
Number of instrument guide tubes
A
1
5
Q
State the vessel core areas where bypass occurs
A
- Nozzle bypass flow
- Control Rod and Instrument thimble bypass
- Baffle wall bypass
- Head Cooling bypass flow
6
Q
What makes up the secondary core support assembly.
A
Made up of an energy absorbing device connected to the core support for vertical stability.
7
Q
What are the control rods primarily made of.
A
Silver (Ag) 80%