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Nuclear Power Engineering

Nuclear Power Engineering
A radioactive isotope undergoes decay with respect to time following __________ law.

Exponential
Linear
Inverse square
Logarithmic

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Nuclear Power Engineering
Nuclear fuel usually used in a Boiling Water Reactor (BWR) is

Natural uranium
Thorium
Enriched uranium
Plutonium

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Nuclear Power Engineering
Heavy water is used as a moderator in a

Candu reactor
Boiling water reactor (BWR)
Molten sodium cooled reactor
Pressurised water reactor (PWR)

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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
Acts both as an efficient coolant as well as a moderator
Is less prone to radiation damage

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Nuclear Power Engineering
Biological shield is provided in a nuclear power reactor to protect the __________ from radiation damage.

Walls of the reactor
None of these
Operating personnels
Fuel elements

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Nuclear Power Engineering
How many atoms are present in one gm-atom of an element?

6 x 10²³
2 x 10²³
6 x 10³²
5 x 10⁵
5 x 10?

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