Nuclear Power Engineering MCQ Questions & Answers | Chemical Engineering

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1.
Which of the following gases has very high neutron capture cross-section, making it unsuitable as a coolant in nuclear reactor?

A. N₂

B. He

C. CO₂

D. H₂

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2.
Heavy water (D₂O) in a nuclear reactor serves as a

A. Coolant

B. Moderator

C. Both A & B

D. Neutron absorber

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3.
Moderating material used in a thermal-reactor should be a

A. Good absorber of neutrons

B. Solid substance

C. Poor absorber of neutrons

D. None of these

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4.
The ₉₂U²³⁸ emits an a-particle. The product is

A. ₉₀U²³⁴

B. ₉₀U²³⁸

C. ₉₀U²³⁶

D. ₉₂U²³⁶

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5.
Nuclear fuel generally used in reactors is uranium oxide instead of uranium, because the former has higher

A. Melting point, hence can be subjected to higher temperature

B. Density ; hence core volume for a given power output would be smaller

C. Resistance to effects of irradiation

D. All of the above

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