POWER PLANT ENGINEERING QUIZ

Zero weight atoms

Light weight atoms

Heavy weight atoms

Critical atoms

Has powerful moderator

Uses ferrite material as moderator

Has no moderator

Uses graphite rods as moderator

Freon

Light or heavy water

Molten lead

Carbon dioxide

Maximum in centre and zero at side

Zero throughout

Maximum at side and zero in canter

Uniform throughout

Same

More

Less

May be less or mote depending on size

By neutron irradiation of Uz

By neutron irradiation of thorium

As basic raw material

Artificially

For boiling pi water in the core

To prevent the water coolant from boiling in the core

To use liquid sodium metal as coolant

To use intermediate coolant

Spring type

Level type

dead weight type

sliding type

Both (A) and (B)

By increasing the contents of U₂₃₅

By slowing down fast neutrons so that U₂₃₅ fission continues by slow neutron

None of these

2.46

2460

24.6

246