A. mass number
B. atomic number
C. chemical properties
D. position in periodic table
E. all of the above
Related Mcqs:
- In the breeder reactors the generation of new fissionable atom is_________________?
A. at the lower rate than the consumption
B. at a higher rate than the constuption
C. at an equal rate of the consumption
D. depends on other considerations
E. unpredictable - The mass number of a substance represents the sum of total number of___________________?
A. protons and neutrons in an atom
B. protons and electrons in an atom
C. neutrons and electrons in an atom
D. protons and neutrons in a nucleus
E. protons and electrons in a nucleus - The main interest of shielding in nuclear reactor is protection against_______________?
A. X-rays
B. infra-red rays
C. a, P, and y rays
D. neutrons and gamma rays
E. electrons - The fast breeder reactor uses the following moderator__________________?
A. demineralised water
B. carbon dioxide
C. heavy water
D. graphite
E. no moderator is used - Ferrite material is____________________?
A. the most fissionable material
B. the basic fuel for nuclear paints
C. basic raw material for nuclear plants
D. the material which absorbs neutrons and undergoes spontaneous changes leading to the formation of fissionable material
E. none of the above - Electron-volt is the unit of________________?
A. atomic power
B. energy
C. voltage
D. radio activity
E. there is no such unit. - Uranium-233 is produced__________________?
A. as basic raw material
B. by neutron irradiation of Uz
C. by neutron irradiation of thorium
D. artificially
E. in high capacity furnaces - The energy produced by a thermal reactor of same size as a breeder reactor is__________________?
A. almost same
B. slightly more
C. slightly less
D. much less
E. much more. - 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 - A fast breeder reactor uses_______________?
A. 90% U-235
B. U-238
C. U-235
D. Pu-239
E. U-239