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Nuclear Power Engineering - Section 1 (6)

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  • Nuclear Power Engineering - Section 1
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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.

41. 

Gas cooling as compared to water cooling of nuclear reactors

A. can not attain a high temperature.
B. is more efficient as gas has a higher specific heat.
C. can produce only saturated steam for feeding to power turbine.
D. none of these.

Answer: Option D

Explanation:

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

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42. 

Which of the following is artificially produced as it does not occur in nature ?

A. Uranium-235
B. Uranium-233
C. Plutonium-239
D. Both (b) and (c)

Answer: Option D

Explanation:

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

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43. 

The second underground nuclear test was conducted by India at

A. Jaisalmer
B. Pokhran
C. Kalpakkan
D. Narora

Answer: Option B

Explanation:

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

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44. 

The amount of a radioactive material (having a half life of 100 years) remaining after 400 years will be __________ of its original weight.

A. 1/2
B. 1/4
C. 1/8
D. 1/16

Answer: Option D

Explanation:

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

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45. 

Which is the most commonly used molten metal for cooling of nuclear reactors ?

A. Calcium
B. Sodium
C. Mercury
D. Zinc

Answer: Option B

Explanation:

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

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46. 

An electron has a mass that is approximately __________ that of the proton.

A. 1836 (approximately)
B. 1/1836 (approximately)
C. 1
D. ∞

Answer: Option B

Explanation:

An electron has a mass that is approximately 1/1836.15267245(75) that of the proton.

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47. 

Which of the following is not a naturally occurring nuclear fuel ?

A. Uranium-238
B. Thorium-233
C. Plutonium-239
D. None of these

Answer: Option C

Explanation:

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

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48. 

The mass number of an element is not changed, when it emits __________ radiations.

A. α & β
B. β & γ
C. γ & α
D. α, β, & γ

Answer: Option B

Explanation:

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

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