A. protons in the nucleus
B. electrons in me nucleus
C. neutrons in the nucleus
D. electrons in the atom
E. neutrons in the atom
Related Mcqs:
- 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 total energy released in fission of U is__________________?
A. 5 MeV
B. 10 MeV
C. 199 MeV
D. 168 MeV
E. 11 MeV - 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 process by which a heavy nucleus is splitted into two light nuclei is known as_________________?
A. splitting
B. fission
C. fusion
D. disintegration
E. chain reaction - Ideally the neutron flux in reactor should be__________________ ?
A. maximum in center and zero at side
B. maximum at side and zero in center
C. uniform throughout
D. zero throughout
E. none of the above - 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 function of control rods in nuclear plants is to__________________?
A. control temperature
B. control readioactive pollution
C. control absorption of neutron
D. control fuel consumption
E. none of the above - Solid- fuel for nuclear reactions may be fabricated into various small shapes such as___________________?
A. plates
B. pallets
C. pins
D. any one of the above
E. none of the above - A fast breeder reactor uses_______________?
A. 90% U-235
B. U-238
C. U-235
D. Pu-239
E. U-239 - A fast breeder reactor__________________?
A. uses graphite rods as moderator
B. has powerful moderator
C. has no moderator
D. uses ferrite material as moderator
E. uses pressurised water as moderator