Related Questions

Percentage of natural uranium present in uranium ore found in Jadugoda (Jharkhand) is
A 0.1
B 1
C 3
D 12
Enrichment of uranium is done to increase the concentration of __________ in the natural uranium.
A U-235
B U-233
C U-238
D PU-239
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 of the above
In the gaseous diffusion process of uranium enrichment, the natural uranium is converted into gaseous
A Uranium oxide
B Uranium hexaflouride
C Uranium carbide
D Uranium sulphate
Among the following iron ores, the highest percentage of iron content is found in–
A Haemetite
B Magnetite
C Limnonite
D None of these
Enriched uranium means that, it contains
A > 0.71% of U-235
B only fertile material
C only fissile material
D no impurities
Percentage of uranium in carnotite ore found in Jadugoda (Jharkhand) is about
A 0.1 to 0.5
B 1 to 5
C 5 to 10
D 15 to 25
Uranium percentage in monazite sand is about
A 0.01
B 0.25
C 1.2
D 7
Department ores range form two to nine floors in height. If a store has more than three floors , it has a lift. If he statements above are true, which of the following must also be true?
A Second floors do not have lifts
B Fourth floors have lifts
C Only floors above third floor have lifts
D All floors may be reached by lifts
Corundum and Cryolite are important ores of which of the following metals?
A Silver
B Iron
C Aluminium
D Tin

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