Uranium enriched to about 3-5% U-235 is called reactor grade uranium. Which option names this correctly?

Uranium enriched to about 3-5% U-235 is called reactor grade uranium. Which option names this correctly?

• A. Reactor grade uranium
• B. Weapon grade uranium
• C. High enriched uranium
• D. Low enriched uranium

Answer: (A)

Uranium enriched to about 3-5% U-235 is described as reactor-grade uranium. This level sits in the low-enriched uranium range, which is below the 20% threshold used to define high enrichment. Reactor-grade is the conventional label for fuel with roughly 3-5% U-235 that is used in civilian power reactors, distinguishing it from weapon-grade or highly enriched uranium, which have much higher U-235 percentages (typically well above 85-90%) and are not used as reactor fuel. While 3-5% U-235 also falls under the broader low-enriched uranium category, the standard term for this specific enrichment level in reactor contexts is reactor-grade uranium.

Uranium enriched to about 3-5% U-235 is described as reactor-grade uranium. This level sits in the low-enriched uranium range, which is below the 20% threshold used to define high enrichment. Reactor-grade is the conventional label for fuel with roughly 3-5% U-235 that is used in civilian power reactors, distinguishing it from weapon-grade or highly enriched uranium, which have much higher U-235 percentages (typically well above 85-90%) and are not used as reactor fuel. While 3-5% U-235 also falls under the broader low-enriched uranium category, the standard term for this specific enrichment level in reactor contexts is reactor-grade uranium.