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Nuclear Power Engineering

Nuclear Power Engineering
Which is a fertile nuclear fuel?

U-235
Th-232
Pu-239
U-233

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Nuclear Power Engineering
Heavy water (D₂O) in a nuclear reactor serves as a

Moderator
Neutron absorber
Coolant
Both A & B

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Nuclear Power Engineering
Heavy water is preferred over ordinary water as a coolant, because it.

Can be heated to a higher temperature without pressurizing
All of these
Is less prone to radiation damage
Acts both as an efficient coolant as well as a moderator

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Nuclear Power Engineering
The time taken for a radioactive element to reduce to 50% of its original weight is __________ years, if its half life period is 12 years.

24
18
6
36

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Nuclear Power Engineering
Uranium percentage in monazite sand is about

1.2
0.01
7
0.25

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Nuclear Power Engineering
Molten sodium is used as a coolant in a fast breeder reactor, because of its

Capability to increase the reaction rate in the core
Faster heat removal capability from the core
Excellent moderating properties
Neutron breeding capability

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