Nuclear Power Engineering MCQ Questions & Answers

1

__________ moderator is used in a fast breeder reactor.

A) Graphite B) Heavy water C) Beryllium D) No

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Answer & Solution

Answer: Option D

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2

Critical mass is the minimum mass of nuclear fissile material required for the

A) Sustainment of chain reaction B) Power generation on commercial scale C) Economic power generation D) None of these

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Answer & Solution

Answer: Option A

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3

Mass of a positron is same as that of a/an

A) Electron B) α-particle C) Proton D) Neutron

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Answer & Solution

Answer: Option A

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4

__________ nuclear reactor does not require a heat exchanger to supply steam to power turbine.

A) Molten sodium cooled B) Helium cooled C) Boiling water D) Pressurised water

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Answer & Solution

Answer: Option C

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5

Which is not a fissile nuclear material?

A) U-233 B) U-235 C) U-238 D) Pu-239

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Answer & Solution

Answer: Option C

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6

Which of the following is not a good moderating material?

A) Concrete B) Boron C) 18/8 stainless steel D) All of the above

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Answer & Solution

Answer: Option D

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7

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

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Answer & Solution

Answer: Option B

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8

Thermal nuclear reactors using enriched uranium as fuel contains a maximum of __________ percent fissile material i.e. U-235.

A) 1 B) 2 C) 3 D) 7

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Answer & Solution

Answer: Option C

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9

An ideal coolant for a nuclear reactor should

A) Be a good absorber of neutrons B) Be capable of attaining high temperature, only when it is pressurised C) Have high density, but low heat transfer co-efficient D) Be free from radiation damage and non-corrosive

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Answer & Solution

Answer: Option D

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10

Which of the following isotopes is not present in natural uranium?

A) U-238 B) U-234 C) U-235 D) U-232

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Answer & Solution

Answer: Option D

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Nuclear Power Engineering MCQ Questions & Answers | Chemical Engineering