Which of the following type of pump is used in liquid metal cooled reactor for circulation of liquid metal_________________? A. centrifugal B. axial C. reciprocationD. electromagnetic E. diaphragm
A boiling water reactor uses following as fuel________________? A. enriched uranium B. plutonium C. thorium D. U E. natural uranium.
In nuclear fission___________________? A. the original elements change into completely different elements B. the electrons of the element change C. the molecules rearrange themselves to form other molecules D. none of the above
For economical operation of a nuclear plant__________________? A. used fuel should be reprocessed B. moderator should be used C. coolant should be employed D. control rods should be used E. reflector should be used
Each fission of U235 produces following number of fast neutrons per fission________________? A. 1 neutron B. 1 — neutrons C. 1 – 2 neutronsD. 2 — neutrons E. infinite
A fast breeder reactor__________________? A. uses graphite rods as moderator B. has powerful moderatorC. has no moderator D. uses ferrite material as moderator E. uses pressurised water as moderator
A fast breeder reactor uses following as fuel_________________? A. enriched uranium B. plutonium C. thoriumD. U235 E. natrual uranium
Artificial radioactive isotopes find application in________________? A. power generation B. nucleonic devices C. nuclear fission D. nuclear fusionE. medical field
Half life of a radioactive isotope corresponds to the time required for half of the following to decay__________________? A. electrons B. protons C. neutrons D. nulceusE. atom
In boiling water reactor, moderator is__________________? A. coolant itself B. ferrite rod C. graphite rod D. liquid sodium metal E. blanket of thorium