The fuel needed, with reflector in nuclear power plant, in order to generate sufficient neutrons to sustain a chain reaction, would be________________?

Related Mcqs:

1. In order to have constant clain reaction to produce a constant rate of heat output, the value of ratio of the number of neutrons in one generation to the number of neutrons in the immediately preceding generation must be________________?

   A. greater than 1.0
   B. less than 1.0
   C. equal to zero
   D. equal to 1.0
   E. equal to infinity

2. The presence of reflector in nuclear power plants results in___________________?

   A. increased production of neutrons
   B. complete absorption of neutrons
   C. controlled production of neutrons
   D. decreased leakage of neutrons
   E. decrease of speed of neutrons

3. Reflector in nuclear plants is used to________________?

   A. return the neutrons back into the core
   B. shield the radioactivity completely
   C. check polllution
   D. conserve energy
   E. is not used

4. The efficiency of a nuclear power plant in comparsion to a conventional thermal power plant is________________?

   A. same
   B. more
   C. less
   D. may be less or mote depending on size
   E. unpredictable

5. The efficiency of a nuclear power plant in comparison to conventional and nuclear consideration is__________________?

   A. higher cost of nuclear fuel
   B. high initial cost
   C. high heat rejection in condenser
   D. lower temperature and pressure condi-tions
   E. nuclear hazard risk

6. The most practical fuel for a thermo-nuclear reactor, both from econocical and nuclear consideration is____________________?

   A. plutonium
   B. uranium
   C. deuterium
   D. thorium
   E. lithium

7. The nuclear power plant at Tarapur has the following reactor________________?

   A. fast breeder
   B. pressurised water
   C. boiling water
   D. sodium graphite
   E. none of the above

8. 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

9. 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

10. In triggering fission, which type of neutrons are more effective_________________?

    A. fast
    B. slow
    C. in bulk
    D. static
    E. activated