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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?

H₂
CO₂
N₂
He

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Nuclear Power Engineering
If 4 gm of a radioisotope has a half life period of 10 days, the half life of 2 gm of the same istotope will be __________ days.

20
10
30
5

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Nuclear Power Engineering
Which is not a fissile nuclear material?

U-235
Pu-239
U-238
U-233

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Nuclear Power Engineering
The velocity of thermal (slow) neutrons triggering nuclear fission reaction (having energy equal to 0.025 eV) is about __________ metres/second.

3300
4400
2200
1100

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Nuclear Power Engineering
The specific heats of three gaseous coolants namely H₂, He and CO₂ in the increasing order are

CO₂, H₂, He
H₂, He, CO₂
H₂, CO₂, He
CO₂, He, H₂

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Nuclear Power Engineering
Thermal nuclear reactors using enriched uranium as fuel contains a maximum of __________ percent fissile material i.e. U-235.

2
1
7
3

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