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Nuclear Power Engineering

Nuclear Power Engineering
Which is used as a coolant in nuclear reactor due to its high capture cross-section?

He
N₂
CO₂
H₂

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Nuclear Power Engineering
A moderator __________ the neutrons.

Accelerates
Slows down
Absorbs
Reflects

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Nuclear Power Engineering
The amount of a radioisotope remaining undecayed after a time equal to four times its half life, will be __________ percent.

6.25
12.5
3.125
25

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Nuclear Power Engineering
The mass number of an element is not changed, when it emits __________ radiations.

α, β, & γ
γ & α
β & γ
α & β

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Nuclear Power Engineering
Both tritium and deuterium have the same number of

Neutrons
Electrons
Nucleons
Protons

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Nuclear Power Engineering
The atomic number of an element is equal to the number of __________ present in its atom.

Neutrons
Either B or C
Protons
Electrons

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