A. MeV
B. curie
C. farads
D. MW
E. kWhr
Related Mcqs:
- A nuclear fission is initiated when the critical energy as compared to neutron binding energy of the atoms is_________________?
A. same
B. more
C. less
D. there is no such criterion
E. none of the above - 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 - 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 - A nuclear fission produces energy of following order in MeV___________________?
A. 20
B. 200
C. 2000
D. 20,000
E. 2 x 105 - 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 - In nuclear fission each neutron that causes fission releases_______________?
A. no new neutron
B. at least one new neutron
C. one new neutron
D. more than one new neutrons
E. many-fold neutrons - 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 - Which of the following can be used as a coolant in nuclear plant________________?
A. light or heavy water
B. molten lead
C. carbon dioxide
D. freon
E. carbon tetrachloride - 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 - 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
