A. 92U238
B. 92U235
C. 92U234
D. None of these
Related Mcqs:
- Enrichment of uranium is done to increase the concentration of ______________ in the natural uranium?
A. U-238
B. U-233
C. U-235
D. Pu-239 - In the gaseous diffusion process of uranium enrichment, the natural uranium is converted into gaseous ________________?
A. Uranium oxide
B. Uranium hexafluoride
C. Uranium carbide
D. Uranium sulphate - Uranium Corporation of India Limited (UCIL) engaged in the mining & concentration of uranium ore is located at_______________?
A. Alwaye (in Kerala)
B. Jadugoda (in Jharkhand)
C. Kalpakkam (in Tamilnadu)
D. Gopalpur coast (in Orissa) - Nuclear fuel generally used in reactors is uranium oxide instead of uranium, because the former has higher _____________________?
A. Melting point, hence can be subjected to higher temperature
B. Density; hence core volume for a given power output would be smaller
C. Resistance to effects of irradiation
D. All A., B. and C. - Percentage of U-238 in natural uranium is around__________________?
A. 0.71
B. 99.29
C. 0.015
D. 29.71 - Quantity of fissionable material (i.e. U-235) in natural uranium is _____________ percent?
A. 0.71
B. 6.31
C. 99.29
D. 12.73 - Which of the following isotopes is not present in natural uranium?
A. U-238
B. U-234
C. U-235
D. U-232 - If 4 gm of a radioisotope has a half life period of 10 days, the half life of 2 gm of the same isotope will be ____________ days?
A. 5
B. 10
C. 20
D. 30 - A radioactive isotope undergoes decay with respect to time following _____________ law?
A. Logarithmic
B. Exponential
C. Linear
D. Inverse square - Which one is the radioactive isotope of hydrogen ?
A. Deuterium
B. Ortho-hydrogen
C. Tritium
D. None of these
