Related Questions

Safety rods provided in nuclear reactors to guard against accidents, in case of earthquake are made of
A High carbon steel
B Molybdenum
C Zircalloy
D Boron or cadmium
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
Thermal shield is used in high powered nuclear reactors to
A Protect the walls of the reactor from radiation damage
B Absorb the fast neutrons
C Slow down the secondary neutrons
D Protect the fuel element from coming in contact with the coolant
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
β-rays emission in radioactive disintegration is always accompanied by the emission of
A γ-rays
B α-rays
C Neutrons
D None of these
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
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
Biological shield in a nuclear power reactor is made of
A Concrete
B Steel
C Cadmium
D Zircalloy
Pure oxide refractories are generally monocrystaliine in nature and are self bonded __________ bricks are generally used as moderator in nuclear reactors.
A Beryllia
B Carborundum
C Corundum
D Thoria
Safety valves are provided in chemical equipments to guard against excessive
A Temperature
B Pressure/pressure fluctuation
C Turbulence
D Noise

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