Power Plant Engineering Enriched uranium is required as a fuel in a nuclear reactor, if light water is used as moderator and coolant, because light water has Low moderating efficiency High neutron absorption cross-section High neutron scatter cross-section Low neutron absorption cross-section Low moderating efficiency High neutron absorption cross-section High neutron scatter cross-section Low neutron absorption cross-section ANSWER DOWNLOAD EXAMIANS APP
Power Plant Engineering A fast breeder reactor uses following as fuel U₂₃₅ Plutonium Thorium Enriched uranium U₂₃₅ Plutonium Thorium Enriched uranium ANSWER DOWNLOAD EXAMIANS APP
Power Plant Engineering Where reactor operation is designed with fast neutrons such as in reactors using highly enriched fuel, the moderator used is Carbon dioxide Graphite No moderator is needed Heavy water Carbon dioxide Graphite No moderator is needed Heavy water ANSWER DOWNLOAD EXAMIANS APP
Power Plant Engineering In order to have constant chain reaction to produce a constant rate of heat output, the value of ratio of the number of neutrons in one generation to the number of neutrons in the immediately preceding generation must be Equal to 1.0 Equal to zero Greater than 1.0 Less than 1.0 Equal to 1.0 Equal to zero Greater than 1.0 Less than 1.0 ANSWER DOWNLOAD EXAMIANS APP
Power Plant Engineering Isotopes of same elements have Different masses and different atomic numbers Same chemical properties but different atomic numbers Different chemical properties and same atomic numbers Same atomic number and different masses Different masses and different atomic numbers Same chemical properties but different atomic numbers Different chemical properties and same atomic numbers Same atomic number and different masses ANSWER DOWNLOAD EXAMIANS APP
Power Plant Engineering U238 will undergo fission by Medium energy neutrons Either fast or slow neutrons Low energy(slow) neutrons alone High energy(fast) neutrons alone Medium energy neutrons Either fast or slow neutrons Low energy(slow) neutrons alone High energy(fast) neutrons alone ANSWER DOWNLOAD EXAMIANS APP
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