Effective moderators are those materials which contain Light weight atoms Critical atoms Zero weight atoms Heavy weight atoms TRUE ANSWER : ? YOUR ANSWER : ?
The size of the reactor is said to be critical when Chain reaction can be initiated It explodes It produces no power It becomes uncontrollable TRUE ANSWER : ? YOUR ANSWER : ?
Solid fuel for nuclear reactions may be fabricated into various small shapes such as Pins Plates Any one of the listed here Pallets TRUE ANSWER : ? YOUR ANSWER : ?
Where reactor operation is designed with fast neutrons such as in reactors using highly enriched fuel, the moderator used is No moderator is needed Graphite Carbon dioxide Heavy water TRUE ANSWER : ? YOUR ANSWER : ?
The fuel mostly used in boilers is lignite bituminous peat anthracite TRUE ANSWER : ? YOUR ANSWER : ?
In triggering fission, which types of neutrons are more effective? Slow In bulk Static Fast TRUE ANSWER : ? YOUR ANSWER : ?
Artificial radioactive isotopes find application in Power generation Nucleonic devices Nuclear fission Medical field TRUE ANSWER : ? YOUR ANSWER : ?
The following present serious difficulty in designing reactor shield Beta particles Thermal neutrons Fast neutrons and gamma rays Alpha particles TRUE ANSWER : ? YOUR ANSWER : ?
The nuclear radiators produced in a reactor which must be shielded are Electrons α, β and γ rays Neutron and gamma rays None of these TRUE ANSWER : ? YOUR ANSWER : ?
Breeder reactor has a conversion ratio of More than unity Zero Unity Less than unity TRUE ANSWER : ? YOUR ANSWER : ?