In nuclear fission each neutron that causes fission releases_______________?

A. No new neutron
B. At least one new neutron
C. One new neutron
D. More than one new neutrons

Which of the following particles is the lightest__________________?

A. Nucleus
B. Electron
C. Proton
D. Meson

In fast breeder reactors___________________?

A. any type of moderator can be used
B. graphite is used as the moderator
C. heavy water is used as the moderator
D. moderator may or may not be used

Ferrite material is____________________?

A. The most fissionable material
B. The basic fuel for nuclear paints
C. Basic raw material for nuclear plants
D. The material which absorbs neutrons and undergoes spontaneous changes leading to the formation of fissionable material

The energy required to be applied to a radioactive nucleus for the emission of a neutron is________________?

A. 1 mev
B. 2.4 mev
C. 4.3 mev
D. 7.8 mev

The commonly used material for shielding is__________________?

A. Lead or concrete
B. Lead and tin
C. Graphite or cadmium
D. Thick galvanised sheets

Reflector in nuclear plants is used to________________?

A. Return the neutrons back into the core
B. Shield the radioactivity completely
C. Check polllution
D. Conserve energy

The number of isotopes of hydrogen are _________________?

A. 1
B. 2
C. 0
D. 3

The nuclear power plant at Tarapur has the following reactor________________?

A. Fast breeder
B. Pressurised water
C. Boiling water
D. Sodium graphite

Ideally the neutron flux in reactor should be__________________ ?

A. Maximum in center and zero at side
B. Maximum at side and zero in center
C. Uniform throughout
D. Zero throughout