An element zMA undergoes an ?-emission followed by two successive ?-emissions. The element formed is
A.zMA-3
B.zMA-4
C.zMA-2
D.zMA-6
Category: Nuclear Engineering Mcqs
The process in a nuclear reactor is
A.controlled nuclear fission
B.uncontrolled nuclear fission
C.controlled nuclear fusion
D.uncontrolled nuclear fusion
The first atomic power plant in India was built at
A.Narora
B.Kalapakkam
C.Tasapur
D.Kota
The mass number of an element is equal to
A.the number of protons in the nucleus
B.the number of neutrons in the nucleus
C.the number of protons and neutrons in the nucleus
D.the difference in the number of protons and neutrons in the nucleus
The atomic number of an element corresponds to
A.its atomic volume
B.the number of electrons in its atom
C.the number of neutrons in the nucleus of its atom
D.its atomic weight
Graphite is used in nuclear reactors
A.as a lubricant
B.as a fuel
C.for lining the inside of the reactor
D.for reducing the velocity of neutrons
When a radioactive element emits an ?-particle it becomes
A.electrically negative
B.electrically positive
C.neutral
D.none of the above
Isotopes of an element have different
A.chemical properties
B.nuclear charge
C.electronic configuration
D.mass number
Stability of nucleus depends upon the ratio of
A.electron to proton
B.neutron to proton
C.neutron to electron
D.none of the above
Radioactive decay is a
A.zero-order reaction
B.first-order reaction
C.second-order reaction
D.third-order reaction
