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Nuclear Power Engineering

Nuclear Power Engineering
Radioactivity of an isotope is expressed in

Ergs
Barn
MeV
Curie

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Nuclear Power Engineering
In β-decay of radioactive material, the ratio of neutron to proton

Remains same
Decreases
Increases
Is unpredictable; may increase or decrease

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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
2200
1100
4400

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Nuclear Power Engineering
Spent fuel from the nuclear thermal reactor contains

Fission products
Plutonium
Unused fuel
All of these

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Nuclear Power Engineering
Fast breeder reactors do not

Use fast neutrons for fission
Convert fertile material to fissile material
Use molten sodium as coolant
Use Th-232 as fissile fuel

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Nuclear Power Engineering
Net efficiency of ordinary light water cooled nuclear reactor is about __________ percent.

72
32
52
88

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