A heterogeneous reactor is the one, in which the moderator and the________________?
Correct answer: A. Fuel are present in different phases (e.g. uranium and heavy water)
- A. Fuel are present in different phases (e.g. uranium and heavy water)
- B. Coolant are present in different phases (e.g., heavy water and graphite)
- C. Coolant are different materials
- D. None of these
Explanation
A heterogeneous reactor has the fuel and moderator in physically different phases or separate forms, such as solid uranium fuel and liquid heavy-water moderator. This distinguishes it from a homogeneous reactor, where they are uniformly mixed.
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