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Nuclear Power Engineering

Nuclear Power Engineering
The half life period of a radioactive element depends on its

Amount
Temperature
Pressure
None of these

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Nuclear Power Engineering
The ratio of mass of a neutron to that of an electron is about 1839. What is the ratio of the mass of a proton to that of an electron?

159
10000
1837
2537

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

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Nuclear Power Engineering
Extraction of uranium from its ore is done using __________ methods.

Electrometallurgical
Pyrometallurgical
Chemical
Physical beneficiation

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Nuclear Power Engineering
Fast breeder nuclear reactors using enriched uranium as fuel may contain upto a maximum of __________ percent of U-235 (i.e. fissile material).

45
15
85
65

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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
5
10
30

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