Related Questions

CANDU type nuclear reactor using natural uranium as fuel is the extensively used nuclear reactor because of the fact that the
A Specific fuel consumption is very low due to the use of heavy water
B Fuel cost is much lower than that used in pressurised water or boiling water reactor
C Heavy water is used both as coolant as well as moderator
D Both B and C
If a nuclear reactor produces more fissile nuclear fuel than it consumes, then it is called a __________ reactor.
A Critical
B Breeder
C Fertile
D Heterogenous
Function of control rod in a nuclear reactor is to control
A Temperature
B Pressure
C Fuel consumption
D Absorption of neutrons
__________ is not used as the control rod material in a nuclear reactor.
A Cobalt
B Hafnium
C Cadmium
D Boron
In case of a __________ reactor, the composition in the reactor and at the exit of the reactor is the same.
A Semi-batch
B Tubular
C Batch
D Back-mix
A nuclear reactor is said to be critical when the neutron population in the reactor core is
A Rapidly increasing leading to the point of explosion
B Decreasing from the specified value
C Reduced to zero
D Constant
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 thermal nuclear reactor compared to a fast breeder reactor
A Uses slower neutrons for fission
B Uses faster neutrons for fission
C Gives higher power density
D Requires less fuel to run at the same power level
The main interest of shielding in nuclear reactor is protection against
A X-rays
B Infrared rays
C Neutrons and gamma rays
D Electrons
The sensing element in the control system of nuclear reactors measures the _________ of the neutron flux in the reactor.
A Temperature
B Volume
C Density
D None of these

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