Multiple choice

In a nuclear reactor, the elements Cd & B are used to make:

  1. moderators

  2. turbines

  3. control rods

  4. generator
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

These rods absorb neutrons and stop the chain reaction to proceed further. These are made up of steel containing a high percentage of material like cadmium or boron which can absorb neutrons. When control rods are completely inserted into the moderator block then all the neutrons is absorbed and reaction comes to halt.   

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