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Nuclear Power Engineering - Section 1 (5)

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Nuclear Power Engineering - Section 1

This is engineering branch and you will find many MCQs
available on this topic which are asked in tests and you will find these MCQs in this section.

33. 

Which of the following may not need a control rod ?

A. Liquid metal cooled reactor.
B. Fast breeder reactor.
C. Candu reactor.
D. None of these.

Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.

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34. 

Thorium-232 is converted into uranium-233 in a/an __________ nuclear reactor.

A. thermal
B. fast breeder
C. heavy water moderated
D. enriched uranium

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

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35. 

Fast breeder reactors do not

A. use Th-232 as fissile fuel.
B. convert fertile material to fissile material.
C. use fast neutrons for fission.
D. use molten sodium as coolant.

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

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36. 

The amount of a radioisotope remaining undecayed after a time equal to four times its half life, will be __________ percent.

A. 3.125
B. 6.25
C. 12.50
D. 25

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

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37. 

Which of the following may not need a moderator ?

A. Candu reactor
B. Fast breeder reactor
C. Homogeneous reactor
D. Pressurised water reactor

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

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38. 

The time taken for a radioactive element to reduce to 50% of its original weight is __________ years, if its half life period is 12 years.

A. 24
B. 18
C. 6
D. 36

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

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39. 

Heat is generated in a nuclear reactor (thermal) by

A. combustion of a nuclear fuel e.g. uranium.
B. fusion of atoms of uranium.
C. absorption of neutrons in uranium atoms.
D. fission of U-235 by neutrons.

Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.

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40. 

The decay product of tritium (a beta emitter) is

A. lithium
B. helium
C. deuterium
D. hydrogen

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

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