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Nuclear Power Engineering

Nuclear Power Engineering
The time required for half of the __________ of a radioactive isotope to decay is called its half life.

Nuclei
Neutrons
Protons
Electrons

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Nuclear Power Engineering
The phenomenon of radioactivity was discovered by

J.J. Thomson
Bacquerrel
Roentgen
Madam Curie

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Nuclear Power Engineering
A fertile material is the one, which can be

Fissioned by either slow or fast neutrons
Converted into fissile material on absorption of neutron
Fissioned by fast neutrons
Fissioned by slow (thermal) neutrons

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Nuclear Power Engineering
Thermal shield is used in high powered nuclear reactors to

Protect the walls of the reactor from radiation damage
Absorb the fast neutrons
Slow down the secondary neutrons
Protect the fuel element from coming in contact with the coolant

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Nuclear Power Engineering
When the difference between mass number and atomic number of atoms of two or more elements are same, the atoms are termed as

Isobars
Isotopes
Isotones
Isomers

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Nuclear Power Engineering
The half life period of a radioactive element depends on its

Pressure
None of these
Temperature
Amount

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