A. alpha particles
B. beta particles
C. thermal neutrons
D. fast neutrons and gamma rays
E. none of the above
A. kinetic energy of neutrons
B. kinetic energy of fission products
C. instantaneous release of gamma rays
D. gradual readioactive decay of fission products
E. none of the above
A. fast moving
B. slow moving
C. critical neutrons
D. neutrons at rest
E. none of the above
A. does not absorb neutrons
B. absorbs neutrons
C. accelerates neutrons
D. eats up neutrons
E. regenerates neutrons
A. plates
B. pallets
C. s
D. any one of the above
E. none of the above
A. natural uranium
B. enriched uranium
C. pure uranium
D. any type of uranium
E. none of the above
A. infinite
B. zero
C. exactly balanced by the loss of neutrons through leakage
D. initiated
E. stopped
A. at the lower rate than the consumption
B. at a higher rate than the constuption
C. at an equal rate of the consumption
D. depends on other considerations
E. unpredictable
A. boiling water
B. gas cooled
C. pressurised water
D. all of the above
E. none of the above
A. almost same
B. slightly more
C. slightly less
D. much less
E. much more.