A. as basic raw material
B. by neutron irradiation of Uz
C. by neutron irradiation of thorium
D. artificially
E. in high capacity furnaces
Related Mcqs:
- Plutonium-239 is produced__________________?
A. as basic raw material
B. by neutron irradiation of IT*
C. by neutron irradiation of thorium
D. artificially
E. in high capacity furnaces - One gram of uranium will produce energy equivalent to approximately____________________?
A. 1 tonne of high grade coal
B. 4.5 tonnes of high grade coal
C. 10 tonnes of high grade coal
D. 100 tonnes of high grade coal
E. 1000 tonnes of high grade coal - Enriched uranium is one in which__________________?
A. %age of U235 has been artificially in-creased
B. %age of U has been artificially increased
C. %age of U234 has been artificially in-creased
D. extra energy is pumped from outside
E. all impurities have been removed - Enriched uranium may contain fissionable contents of the order of__________________?
A. 1-99%
B. 1-25%
C. 1-50%
D. 1-75%
E. 1-90%. - Natural uranium is made up of__________________?
A. 99.282% U238, 0.712% U235, 0.006% U234
B. 99.282% U235, 0.712% U238, 0.06%’ U234
C. 99.282% U234, 0.712% U238, 0.006% U235
D. 99.282% U235, 0.712% U234, 0.006% U238
E. none of the above - A fission chain reaction in uranium can be developed by________________?
A. slowing down fast neutrons so that Uz fission continues by slow motion neutrons
B. accelerating fast neutrons
C. absorbing all neutrons
D. using moderator
E. enriching U235 - Which is not identical for an atom and an isotope_________________?
A. mass number
B. atomic number
C. chemical properties
D. position in periodic table
E. all of the above - Moderator in nuclear plants is used to__________________?
A. reduce temperature
B. extract heat from nuclear reaction
C. control the reaction
D. cause collision with the fast moving neutrons to reduce their speed
E. moderate the radioactive pollution - The number of isotopes of hydrogen are _________________?
A. 1
B. 2
C. U
C. 3
E. 0 - Reactors designed for propulsion applications are designed for_______________?
A. natural uranium
B. enriched uranium
C. pure uranium
D. any type of uranium
E. none of the above
