Mechanical Engineering MCQs

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

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

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

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

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

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

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

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

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

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