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Q.1
Which material is used to purify ThO2?
a) Butyl phosphate
b) NaOH leaching
c) Butyl triphosphate
d) Acid leaching
Q.2
Why fluidized bed is used in Uranium gaseous conversion process?
a) Good heat transfer
b) Low turbulent mixing
c) Production of low bulk density
d) Batch processing
Q.3
Which type of reaction – UO2 +-> UC2 + 2CO
a) Uranium metal fuel elements
b) Reduction with alkali
c) Uranium carbide
d) Enrichment
Q.4
Which type of esters used in the solvent extraction process?
a) Inorganic phosphate
b) Phosphate
c) Organic phosphate
d) Low limestones ores
Q.5
Which one is the fertile fuel in nuclear industry?
a) Uranium-233
b) Uranium-235
c) Uranium-238
d) Plutonium-239
Q.6
Which coolant mentioned below is used to remove liberated energy?
a) Heavy water
b) Stainless steel
c) Zirconium
d) Aluminum
Q.7
In which ores U3O8 can be recovered as byproduct of phosphate fertilizer?
a) Pitchblende
b) Carnotite
c) Monazite sands
d) Phosphate rock
Q.8
Soda ash leaching’ comes into the picture in which type of removal of non-uranium constituents?
a) Ion exchange following acid leach
b) Leaching
c) Solvent extraction
d) Separation
Q.9
In which form deuterium exists in natural water?
a) HD
b) D2O
c) HDO
d) D
Q.10
Cryogenic process is coupled with which type of separating technique of deuterium?
a) Dual temperature exchange
b) Distillation
c) Electrolysis
d) Hydrogen distillation
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