Nuclear Power Engineering MCQ Questions & Answers

1

Emission of β-particles during radioactive decay of a substance is from

A) Innermost shell B) Nucleus C) Outermost shell D) None of these

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Answer & Solution

Answer: Option B

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2

The half life period of a radioactive substance is best determined by counting the number of alpha particles emitted per second in a Geiger Muller counter from its known quantity. If the half life period of a radioactive substance is one month, then

A) $${\frac{3}{4}^{{\text{th}}}}$$ of it will disintegrate in two months B) It will completely disintegrate in two months C) It will completely disintegrate in four months D) $${\frac{l}{8}^{{\text{th}}}}$$ of it will remain intact at the end of four months

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Answer & Solution

Answer: Option B

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3

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

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Answer: Option B

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4

Pressure of CO₂ gas (which is a coolant) in the Calder-Hall nuclear reactor is __________ kgf/cm².

A) 0.2 B) 7 C) 35 D) 50

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Answer & Solution

Answer: Option B

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5

Research reactors are normally meant for

A) Producing high neutron flux 10¹² - 10¹³ neutrons/cm², sec and studying the effect of neutron bombardment on dif ferent materials B) Accelerating the neutrons C) Power generation D) None of these

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Answer: Option A

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6

The most commonly used nuclear fuel in boiling water reactor is

A) Enriched uranium B) Natural uranium C) Plutonium D) Monazite sand

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Answer: Option A

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7

The atomic mass of an element is fractional, because

A) Of uncertainty principle B) It may have isobars C) It contains neutrons D) It may have isotopes

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Answer & Solution

Answer: Option D

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8

Nuclear power generation capacity in India is

A) 3000 MW B) 10000 MW C) More than hydroelectric power generation capacity D) More than thermal power generation capacity

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Answer & Solution

Answer: Option A

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9

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

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Answer & Solution

Answer: Option D

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10

Percentage of heavy water in ordinary water is around

A) 0.015 B) 7.54 C) 0.71 D) 32.97

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Answer & Solution

Answer: Option A

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Nuclear Power Engineering MCQ Questions & Answers | Chemical Engineering