Chemical Engineering - Nuclear Power Engineering

21. 

Unit of radioactivity is

A. barn
B. Fermi
C. Angstrom
D. Curie

Answer: Option D

Explanation:

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22. 

Which of the following reactors is operated at high neutron flux and low power level ?

A. Breeder reactor.
B. Research reactor.
C. Heterogeneous reactor.
D. Liquid metal (e.g., molten sodium) cooled reactor.

Answer: Option B

Explanation:

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23. 

Uranium percentage in monazite sand is about

A. 0.01
B. 0.25
C. 1.2
D. 7

Answer: Option B

Explanation:

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24. 

Artificially produced radioactive isotopes are used for

A. power generation.
B. treatment of certain diseases.
C. initiating nuclear fission and fusion.
D. all (a), (b) and (c).

Answer: Option B

Explanation:

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25. 

In a homogeneous nuclear reactor, the __________ are mixed together.

A. fuel & coolant
B. fuel & moderator
C. coolant & moderator
D. none of these

Answer: Option B

Explanation:

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