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“Nuclear Engineering job preparation guide for freshers and experienced candidates. Number of Nuclear Engineering frequently asked questions(FAQs) asked in many interviews”

15 Nuclear Engineering Questions And Answers

1⟩ Do you know what does a nuclear engineer do?

Developing nuclear equipment, such as reactor cores and radiation shielding

Monitoring nuclear plant design, construction and operations to ensure that the plants meet safety standards

Writing instructions for the handling and disposal of nuclear waste

Testing whether methods of using nuclear material, reclaiming nuclear fuel or disposing of nuclear waste are acceptable

Taking corrective action or ordering plant shutdowns in emergencies

Examining nuclear accidents and gathering data that can be used to prevent future accidents

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2⟩ Do you know what is Nuclear Engineering?

Nuclear engineering is the branch of engineering concerned with the application of the breakdown (fission) as well as the fusion of atomic nuclei and/or the application of other sub-atomic physics, based on the principles of nuclear physics.

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3⟩ 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)

Option D

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4⟩ 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.

Option D

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5⟩ The second underground nuclear test was conducted by India at A. Jaisalmer B. Pokhran C. Kalpakkan D. Narora

Option B

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6⟩ 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

Option D

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7⟩ The decay product of tritium (a beta emitter) is A. lithium B. helium C. deuterium D. hydrogen?

Option B

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8⟩ Which is the most commonly used molten metal for cooling of nuclear reactors ? A. Calcium B. Sodium C. Mercury D. Zinc

Option B

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9⟩ Which of the following is not a naturally occurring nuclear fuel A. Uranium-238 B. Thorium-233 C. Plutonium-239 D. None of these

Option C

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10⟩ An electron has a mass that is approximately __________ that of the proton. A. 1836 (approximately) B. 1/1836 (approximately) C. 1 D. ∞?

Option B

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11⟩ The decrease in the atomic number is not observed in case of A. electron capture B. ?-emission C. ?-emission D. positron emission?

Option B

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12⟩ 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

Option B

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13⟩ What is the history of Nuclear Engineering?

Nuclear engineering was born in the 20th century with the announcement in 1939 of the discovery of nuclear fission by the German chemists.

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14⟩ Which of the following may be used to measure the rate of nuclear disintegration? A. Geiger-Muller Counter B. Cyclotron C. Cold chamber D. Mass spectrograph?

Option A

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15⟩ 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.?

Option D

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