Mechanical Engineering Mcqs

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
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
In fast breeder reactors___________________?
  • (A)  any type of moderator can be used
  • (B)  graphite is used as the moderator
  • (C)  heavy water is used as the moderator
  • (D)  moderator may or may not be used
  • (E)  moderator is dispensed with