Question based on GA Study Notes On Nuclear Reactors : SSC CGL Tier-1 2017

Nuclear Reactors

Dear SSC CGL Aspirants, you might have observed that every year a lot of questions are asked from the Chapter "Nuclear Reactors". Keeping in view the importance of the topic, We have provided notes on this topic. Now, it's time to check your knowledge. Based on notes you can answer these questions:

1. Atom Bomb is based on:
Ans: Nuclear fission

2. The role of the moderator:
Ans: To slow down the high-speed neutrons.

3. The function of coolant:
Ans: Extract heat from the reactor.

4. Who invented Nuclear Reactor?
Ans: Enrico Fermi.

5. The efficiency of a nuclear power plant in comparison to a conventional thermal power plant is:
Ans:  Less.

6. The nuclear energy is measured as:
Ans: MeV.

7. Enriched uranium is one in which:
Ans: %age of U235 has been artificially increased.

8. The commonly used material for shielding is:
Ans: Lead or concrete.

9. Reflector in nuclear plants is used to:
Ans: Return the neutrons back into the core.

10.The mass number of a substance represents the sum  of the total number of:
Ans: Protons and neutrons in a nucleus.

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