69) Which of the following is more appropriate for a moderator. One which

does not absorb neutrons

absorbs neutrons

accelerates neutrons

eats up neutrons

Answer is:

does not absorb neutrons

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70) A fission chain reaction in uranium can be developed by

slowing down fast neutrons so that Uranium fission continues by slow motion neutrons

accelerating fast neutrons

absorbing all neutrons

using moderator

Answer is:

slowing down fast neutrons so that Uranium fission continues by slow motion neutrons

71) In triggering fission, the following types of neutrons are desirable

fast moving

slow moving

critical neutrons

neutrons at rest

Answer is:

slow moving

72) Effective moderators are those materials which contain

light weight atoms

heavy weight atoms

critical atoms

zero weight atoms

Answer is:

light weight atoms

73) In a fission process, maximum %age of energy is released as

kinetic energy of neutrons

kinetic energy of fission products

instantaneous release of gamma rays

gradual radioactive decay of fission products

Answer is:

kinetic energy of fission products

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69) Which of the following is more appropriate for a moderator. One which

does not absorb neutrons

Nuclear Power Plants Questions with Answers

Related Nuclear Power Plants Questions with Answers

70) A fission chain reaction in uranium can be developed by

slowing down fast neutrons so that Uranium fission continues by slow motion neutrons

71) In triggering fission, the following types of neutrons are desirable

slow moving

72) Effective moderators are those materials which contain

light weight atoms

73) In a fission process, maximum %age of energy is released as

kinetic energy of fission products

Nuclear Power Plants Questions with Answers