In nuclear fission None of the listed here The original elements change into completely different elements The molecules rearrange themselves to form other molecules The electrons of the element change TRUE ANSWER : ? YOUR ANSWER : ?
Ideally the neutron flux in reactor should be Maximum in centre and zero at side Zero throughout Uniform throughout Maximum at side and zero in canter TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is not a safety valve for the boilers? dead weight type Spring type Level type sliding type TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following particles is the lightest? Nucleus Electron Meson Proton TRUE ANSWER : ? YOUR ANSWER : ?
Amongst the following, the fissionable materials are U₂₃₁ and Pu₂₃₃ U₂₃₅ and Pu₂₃₅ U₂₃₈ and Pu₂₃₉ U₂₃₃ and Pu₂₂₉ TRUE ANSWER : ? YOUR ANSWER : ?
The predominant isotope of the naturally occurring element is U₂₃₅ Pu₂₃₉ Pu₂₃₃ U₂₃₈ TRUE ANSWER : ? YOUR ANSWER : ?
Plutonium (Pu239) is produced When U238 is irradiated by neutrons Artificially As basic raw material By fission of Th232 TRUE ANSWER : ? YOUR ANSWER : ?
The most commonly used moderator in nuclear plants is Concrete and bricks Heavy water Graphite and concrete Graphite TRUE ANSWER : ? YOUR ANSWER : ?
The size of the reactor is said to be critical when It becomes uncontrollable It produces no power It explodes Chain reaction can be initiated TRUE ANSWER : ? YOUR ANSWER : ?