Nuclear Power Engineering MCQ Questions & Answers

31

Solar energy results from __________ reaction.

A) Fission B) Combustion C) Thermonuclear D) None of these

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Answer & Solution

Answer: Option C

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32

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 & Solution

Answer: Option B

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33

Percentage of natural uranium present in uranium ore found in Jadugoda (Jharkhand) is

A) 0.1 B) 1 C) 3 D) 12

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Answer & Solution

Answer: Option A

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34

Unit of radioactivity is

A) Barn B) Fermi C) Angstrom D) Curie

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Answer & Solution

Answer: Option D

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35

A fast breeder reactor employs

A) Graphite as moderator B) Water as coolant C) Molten sodium as coolant as well as moderator D) U-235 as fuel

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Answer & Solution

Answer: Option D

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36

Specific gravity of uranium and plutonium is about

A) 9 B) 13 C) 19 D) 27

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Answer & Solution

Answer: Option C

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37

Quantity of fissionable material (i.e. U-235) in natural uranium is __________ percent.

A) 0.71 B) 6.31 C) 99.29 D) 12.73

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Answer & Solution

Answer: Option A

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38

Coolant present in the primary circuit of a pressurised water reactor is high pressure

A) Sub cooled water B) Saturated water C) Superheated steam D) Saturated steam

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Answer & Solution

Answer: Option B

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39

The atomic number of a radioactive element is not changed, when it emits __________ rays.

A) α B) β C) γ D) α & β

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Answer & Solution

Answer: Option C

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40

Which of the following is the best nuclear fuel?

A) N_p- 239 B) U-234 C) P_u-239 D) Th-236

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Answer & Solution

Answer: Option C

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Nuclear Power Engineering MCQ Questions & Answers | Chemical Engineering