Chemical Engineering - Nuclear Power Engineering

26. 

Commercial power generation from fusion reactor is not yet possible, because

A. it is difficult to control nuclear fusion reaction.
B. the fuel required (i.e., deuterium & tritium) is scarce.
C. it is difficult to initiate fusion reaction.
D. quantity of fuel required for initiating fusion reaction is prohibitively high.

Answer: Option A

Explanation:

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27. 

Candu reactor is a __________ nuclcear reactor.

A. natural uranium fuelled heavy water cooled & moderated
B. highly enriched uranium (85% U-235) fuelled
C. homogeneous
D. fast breeder

Answer: Option A

Explanation:

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28. 

Which of the following is a non-fissile material ?

A. Plutonium-239
B. Uranium-235
C. Uranium-233
D. Thorium-232

Answer: Option D

Explanation:

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29. 

Use of molten metal as a coolant in fast breeder reactor helps in

A. rapid heat transfer from the core.
B. accelerating the reaction rate in the core.
C. breeding neutrons.
D. accelerating the neutrons.

Answer: Option A

Explanation:

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30. 

What is the average life of a radioactive atom having a 'half life period' of T ?

A. 1.44 T
B. 0.144 T
C. 14.4 T
D. 2T

Answer: Option A

Explanation:

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