A. 1
B. 2
C. U
C. 3
E. 0
Related Mcqs:
- Isotopes of same elements have___________________?
A. same atomic number and different masses
B. same chemical properties but different atomic numbers
C. different masses and different atomic numbers
D. different chemical properties and same atomic numbers
E. same chemical properties and same atomic numbers - A reactor capable of converting a ferrite material into fissile isotopes is called____________________?
A. regenerative reactor
B. fast breeder reactor
C. breeder reactor
D. boiling water reactor
E. ferrite reactor - Artificial radioactive isotopes find application in________________?
A. power generation
B. nucleonic devices
C. nuclear fission
D. nuclear fusion
E. medical field - Hydrogen is preferred as better coolant in comparison to C02 because former_____________________?
A. is lighter
B. is inert
C. has high specific heat
D. is a good conductor
E. all of the above - Boiling water reactor employs__________________?
A. boiler
B. direct cycle of coolant system
C. double circuit system of coolant cycle
D. multi pass system
E. single circuit system - The fast breeder reactor uses the following moderator__________________?
A. demineralised water
B. carbon dioxide
C. heavy water
D. graphite
E. no moderator is used - Boiling water reactor uses the following as moderator, coolant and working fluid________________?
A. ordinary fluid
B. heavy water
C. molten lead
D. hydrogen gas
E. none of the above - Which of the following is secondary fuel ?
A. Th232andU238
B. U233andPu239
C. U233andPu238
D. non oh these - In triggering fission, the following types of neutrons are desirable_________________?
A. fast moving
B. slow moving
C. critical neutrons
D. neutrons at rest
E. none of the above - 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
