A. Neutrons
B. Electrons
C. Protons
D. Nucleons
Related Mcqs:
- The decay product of tritium (a beta emitter) is_________________?
A. Lithium
B. Helium
C. Deuterium
D. Hydrogen - Hydrogen differs from deuterium in _____________ properties?
A. Radioactive
B. Physical
C. Chemical
D. All A., B. and C. - Fuel for a nuclear reactor (thermal) is___________________?
A. Uranium
B. Plutonium
C. Radium
D. None of these - A nuclear reactor can’t be used for_________________?
A. The production of radioisotopes
B. Supplying intense fields or beams of neutron for scientific experiments
C. Marine ship propulsion
D. None of these - Which of the following nuclear reactors is the most efficient thermodynamically while operating between the same temperature and pressure limits of the reactor ?
A. Molten sodium cooled
B. CO2 gas cooled
C. Pressurised water
D. Boiling water - In β-decay of radioactive material, the ratio of neutron to proton____________________?
A. Increases
B. Remain same
C. Decreases
D. Is unpredictable; may increase or decrease - ____________ nuclear reactor does not require a heat exchanger to supply steam to power turbine?
A. Molten sodium cooled
B. Helium cooled
C. Boiling water
D. Pressurised water - Gas cooling as compared to water cooling of nuclear reactors___________________?
A. Cannot attain a high temperature
B. Is more efficient as gas has a higher specific heat
C. Can produce only saturated steam for feeding to power turbine
D. None of these - “Critical mass” is the minimum mass of nuclear fissile material required for the__________________?
A. Sustainment of chain reaction
B. Power generation on commercial scale
C. Economic power generation
D. None of these - Uranium is recovered from its ore (pitchblende) by________________?
A. Froth floatation technique
B. Leaching with sulphuric acid
C. Smelting in a furnace
D. Dissolving in water
