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.Management Sciences
Category: Nuclear Power Engineering
Artificially produced radioactive isotopes are used for____________________?
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A. Power generation
B. Treatment of certain diseases
C. Initiating nuclear fission and fusion
D. All A., B. and C.
A fast breeder reactor____________________?
A. Uses natural uranium as fuel
B. Does not require a moderator
C. Both A. and B.
D. Neither A. nor B.
Enriched uranium means that, it contains___________________?
A. More than 0.71% of U-235
B. Only fertile material
C. Only fissile material
D. No impurities
A radioactive isotope undergoes decay with respect to time following _____________ law?
A. Logarithmic
B. Exponential
C. Linear
D. Inverse square
Final product of uranium extraction plant at Jadugoda (Bihar) is________________?
A. Uranium
B. Uranium oxide
C. Uranium carbide
D. Magnesium diuranate
In β-decay of radioactive material, the ratio of neutron to proton____________________?
A. Increases
B. Remain same
C. Decreases
D. Is unpredictable; may increase or decrease
Percentage of U-238 in natural uranium is around__________________?
A. 0.71
B. 99.29
C. 0.015
D. 29.71
In the nuclear reaction, 93N239→ 94Pu239 + ?; the missing particle is a/an__________________?
A. Electron
B. Proton
C. Neutron
D. Position
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