In all naturally occurring uranium the isotopic abundance of fission fuel as U-235 is
A.99.29%
B.0.71%
C.10%
D.0.10%
Category: Nuclear Engineering Mcqs
Elements have different nuclear charge but the same mass number are called
A.isotones
B.isobars
C.isotopes
D.isosteres
The nucleus of any atom
A.is positively charged
B.is negatively charged
C.has no charge
The increasing order (lowest first) for the values of e/m (charge/mass) for electron (e) proton (p) neutron (n) and alpha particle (a) is
A.e p n a
B.n p e a
C.n p a e
D.n a p e
Isotopes of an element have same
A.mass number
B.number of neutrons
C.atomic weight
D.electronic configuration
Which is not a consitituent of atomic pile?
A.core
B.Moderator
C.Control rods
D.Ionization chamber
The disintegration constant of a radioactive element is 2.31 x 10-10 years. Its half-life period is about
A.1.15 x 10-10 years
B.3 x 109 years
C.4 x 109 years
D.4 x 10-9 years
The fuel used in nuclear reactor is
A.graphite
B.heavy water
C.cadmium
D.uranium
Tritium is Beta emitter. Its decay product is
A.hydrogen ion
B.deuterium
C.helium
D.lithium
