A. as basic raw material
B. by neutron irradiation of Uz
C. by neutron irradiation of throium
D. artificially
E. in high capacity furnace
Related Mcqs:
- Plutonium-239 is produced__________________?
A. as basic raw material
B. by neutron irradiation of IT*
C. by neutron irradiation of thorium
D. artificially
E. in high capacity furnaces - Fast breeder reactor uses___________________?
A. boiler
B. direct cycle of coolant system
C. double circuit system of coolant cycle
D. multi pass system
E. single circuit system - The nuclear energy is measured as__________________?
A. MeV
B. curie
C. farads
D. MW
E. kWhr - The breeding gain in case of thermal breeder reactor as compared to fast breeder reactor is________________?
A. same
B. lower
C. higher
D. unity
E. higher/lower depending on the size of reactor - 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 - U235 will undergo fission by__________________?
A. high energy (fast) neutrons alone
B. low energy (slow) neutrons alone
C. either fast or slow neutrons
D. medium energy neutrons
E. none of the above - Natural uranium is made up of__________________?
A. 99.282% U238, 0.712% U235, 0.006% U234
B. 99.282% U235, 0.712% U238, 0.06%’ U234
C. 99.282% U234, 0.712% U238, 0.006% U235
D. 99.282% U235, 0.712% U234, 0.006% U238
E. none of the above - In triggering fission, which type of neutrons are more effective_________________?
A. fast
B. slow
C. in bulk
D. static
E. activated - The following present serious difficulty in designing reactor shield_________________?
A. alpha particles
B. beta particles
C. thermal neutrons
D. fast neutrons and gamma rays
E. none of the above - 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
