Which of the following ores contains maximum percentage of uranium ?

Related Mcqs:

1. Thermal nuclear reactors using enriched uranium as fuel contains a maximum of ____________ percent fissile material i.e. U-235?

   A. 1
   B. 2
   C. 3
   D. 7

2. 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)

3. 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

4. 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

5. 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.

6. Percentage of U-238 in natural uranium is around__________________?

   A. 0.71
   B. 99.29
   C. 0.015
   D. 29.71

7. Uranium percentage in monazite sand is about________________?

   A. 0.01
   B. 0.25
   C. 1.2
   D. 7

8. Fast breeder nuclear reactors using enriched uranium as fuel may contain upto a maximum of ____________ percent of U-235 (i.e. fissile material)?

   A. 15
   B. 45
   C. 65
   D. 85

9. Which of the following isotopes is not present in natural uranium?

   A. U-238
   B. U-234
   C. U-235
   D. U-232

10. Which of the following is not an ore of uranium ?

    A. Pitchblende
    B. Kyanite
    C. Carnotite
    D. Rescolite