28) The function of moderator in a nuclear reactor is :

to absorb the excess neutrons

to increases the energy of the neutrons

to slow down the neutrons

none of these

Answer is:

to slow down the neutrons

CANDU type reactors

boiling water reactors

pressurized water reactors

gas cooled reactors

Answer is:

highly enriched uranium as fuel and light water as moderator and coolant

natural uranium as fuel and heavy water as moderator and coolant

enriched uranium as fuel and ordinary water as moderator and cooler

only fertile material

Answer is:

the rate at which fission reaction occurs

square root of the rate at which fission reaction occurs

square of the rate at which fission occurs

none of the above

Answer is:

large thorium deposits

large plutonium deposits

large uranium deposits

none of the above

Answer is: