In an LMFBR, are the fuel rods in the radial blanket the same width, smaller than, or larger than…


In an LMFBR, are the fuel rods in the radial blanket the same width, smaller than, or larger than the fuel rods in the heart?

What is the mediocre soft top of NaK, which is sometimes used as a coolant in dissipated scrutiny reactors?