Chemical Engineering - Nuclear Power Engineering

26. 

Extraction of uranium from its ore is done by __________ method.

A. chemical
B. pyrometallurgical
C. physical beneficiation
D. electrometallurgical

Answer: Option A

Explanation:

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27. 

75% of a radioactive element decays in 6 hours. Its half life period is __________ hours.

A. 3/4
B. 1/6
C. 3
D. 4

Answer: Option C

Explanation:

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28. 

Nuclear power plant is not located at

A. Talcher (Orissa)
B. Rawatbhata (Rajasthan)
C. Kalpakkam (Tamilnadu)
D. Kaiga (Karnataka)

Answer: Option A

Explanation:

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29. 

Heavy water is used as a moderator in a

A. pressurised water reactor (PWR).
B. boiling water reactor (BWR).
C. Candu reactor.
D. molten sodium cooled reactor.

Answer: Option C

Explanation:

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30. 

Which of the following is a fuel for a fusion reactor (thermonuclear reactor) ?

A. Deuterium and tritium
B. U-233
C. Thorium
D. Heavy water

Answer: Option A

Explanation:

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