Nuclear Power Engineering MCQ Questions & Answers

91

Hydrogen differs from deuterium in __________ properties.

A) Radioactive B) Physical C) Chemical D) All of the above

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Answer & Solution

Answer: Option B

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92

Pick out the wrong statement.

A) Isotopes have the same number of protons & electrons, but different number of neutrons B) Hydrogen has two isotopes C) In ordinary hydrogen, ₁H¹ and ₁H² are present in the ratio 6400:1 D) None of these

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Answer: Option B

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93

Hydrogen has __________ isotopes.

A) No B) One C) Two D) Three

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Answer & Solution

Answer: Option D

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94

Which of the following reactors is operated at high neutron flux and low power level?

A) Breeder reactor B) Research reactor C) Heterogeneous reactor D) Liquid metal (e.g., molten sodium) cooled reactor

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Answer & Solution

Answer: Option B

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95

Radioactive decay of a material involves a __________ order reaction.

A) Third B) Second C) First D) Zero

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Answer & Solution

Answer: Option C

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96

Which is used as a coolant in nuclear reactor due to its high capture cross-section?

A) H₂ B) N₂ C) He D) CO₂

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Answer & Solution

Answer: Option A

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97

Isotopes of an element have different

A) Mass number B) Electronic configuration C) Nuclear charge D) Chemical properties

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Answer & Solution

Answer: Option A

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98

Liquid metal (e.g, . molten sodium) is preferred as a coolant in case of a/an __________ reactor.

A) Homogeneous B) Graphite moderated C) Fast breeder D) Enriched uranium (3% U-235) fuelled

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Answer: Option C

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99

Ordinary water is not used as a moderator because, it

A) Has a low absorption cross-section B) Has a low scattering cross-section C) Absorbs neutrons D) Does not absorb neutrons

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Answer: Option C

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100

Pick out the wrong statement.

A) Atoms with same number of nucleons but different number of protons are called isobars B) Atoms with same number of protons but different number of nucleons are called isoters C) Out of α, β, and γ-rays, the one having maximum penetration power are γ-rays D) The product formed by emission of α-particle has mass number less by 4 units than the parent nuclide

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Answer: Option B

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Nuclear Power Engineering MCQ Questions & Answers | Chemical Engineering