Nuclear Engineering Interview Questions And Answers

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Enhance your Nuclear Engineering interview preparation with our set of 235 carefully chosen questions. Each question is crafted to challenge your understanding and proficiency in Nuclear Engineering. Suitable for all skill levels, these questions are essential for effective preparation. Access the free PDF to get all 235 questions and give yourself the best chance of acing your Nuclear Engineering interview. This resource is perfect for thorough preparation and confidence building.

235 Nuclear Engineering Questions and Answers:

Nuclear Engineering Job Interview Questions Table of Contents:

Nuclear Engineering Job Interview Questions and Answers
Nuclear Engineering Job Interview Questions and Answers

1 :: 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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2 :: 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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3 :: 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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4 :: 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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5 :: 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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6 :: 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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7 :: 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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8 :: 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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9 :: 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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10 :: 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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11 :: The second underground nuclear test was conducted by India at

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

Option B
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12 :: 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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13 :: 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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14 :: The decay product of tritium (a beta emitter) is

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

Option B
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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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16 :: 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

Option B
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17 :: Which of the following may not need a moderator?

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

Option B
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18 :: 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

Option B
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19 :: Commercial power generation from fusion reactor is not yet possible, because

A. it is difficult to control fusion reaction.
B. the fuel required (e.g. deuterium and tritium) is scarce.
C. it is difficult to initiate fusion reaction.
D. quantity of fuel required for initiating fusion reaction is prohibitively high.

Option A
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20 :: One 'amu' is equivalent to

A. 9.31 MeV
B. 931 eV
C. 931 Mev
D. 931J

Option C
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21 :: 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.

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

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

Option B
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23 :: 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.

Option D
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24 :: Spent fuel from the nuclear thermal reactor contains

A. fission products
B. plutonium
C. unused fuel
D. all (a), (b) & (c)

Option D
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25 :: A boiling water reactor is the one, in which the

A. coolant water is allowed to boil in the core of the reactor.
B. coolant water, after being heated in the reactor core, generates steam in a boiler.
C. pressurised water is pumped into the core.
D. fuel and the coolant are thoroughly mixed to form a homogeneous solution.

Option A
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