Related Questions

Thermal shield used in high powered nuclear reactor to protect the walls of the reactor from radiation damage is made of
A Concrete
B Steel
C Zircalloy
D Graphite
A first order reaction is to be treated in a series of two mixed reactors. The total volume of the two reactors is minimum, when the reactors are
A Equal in size
B Of different sizes
C Of such size that the ratio of their volumes is
D None of these
Nuclear reactors are provided with shield to guard against the emission of mainly __________ rays.
A X
B α and β
C Neutrons & gamma
D Infrared
Biological shield is provided in a nuclear power reactor to protect the __________ from radiation damage.
A Fuel elements
B Operating personnels
C Walls of the reactor
D None of these
Biological shield in a nuclear reactor is generally provided to protect against the
A α-rays
B β-rays
C Gamma rays & neutrons
D Electrons
Biological shield in a nuclear power reactor is made of
A Concrete
B Steel
C Cadmium
D Zircalloy
Which is the most commonly used molten metal for cooling of nuclear reactors?
A Zinc
B Sulphur
C Sodium
D Manganese
Nuclear fuel generally used in reactors is uranium oxide instead of uranium, because the former has higher
A Melting point, hence can be subjected to higher temperature
B Density ; hence core volume for a given power output would be smaller
C Resistance to effects of irradiation
D All of the above
Heavy water used in the nuclear reactors to slow down the speed of neutrons is
A Highly purified water
B A compound of oxygen and deuterium
C Water having dissolved salts of heavy metals
D None of these
The control rods in the control system of nuclear reactors are used to
A Absorb excess neutrons
B Control fuel consumption
C Control temperature
D All of these

Next steps