A. electrons
B. protons
C. neutrons
D. nulceus
E. atom
Related Mcqs:
- The energy required to be applied to a radioactive nucleus for the emission of a neutron is________________?
A. 1 MeV
B. 2.4 MeV
C. 4.3 MeV
D. 7.8 MeV
E. 20 MeV - The risk of radioactive hazard is greatest in the turbine with following reactor___________________?
A. pressurised water
B. boiling water
C. gas cooled
D. liquid metal cooled
E. all of the above. - Artificial radioactive isotopes find application in________________?
A. power generation
B. nucleonic devices
C. nuclear fission
D. nuclear fusion
E. medical field - Amongst the following, the fissionable materials are________________?
A. U233andPu239
B. U23iandPu233
C. U235andPu235
D. U238andPu239
E. U243andPu235 - Gas cooled reactor uses following materials as moderator, and coolant____________________?
A. graphite, C02
B. graphite, air
C. heavy water, C02
D. lead, H2
E. concrete, N2 - 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 - A boiling water reactor uses following as fuel________________?
A. enriched uranium
B. plutonium
C. thorium
D. U
E. natural uranium. - Which of the following type of pump is used in liquid metal cooled reactor for circulation of liquid metal_________________?
A. centrifugal
B. axial
C. reciprocation
D. electromagnetic
E. diaphragm
