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.Management Sciences
Category: Nuclear Power Engineering
Which of the following is not used as a moderator in nuclear reactor ?
A. Molten sodium
B. Light water
C. Beryllium
D. Boron hydride
Uranium is recovered from its ore (pitchblende) by________________?
A. Froth floatation technique
B. Leaching with sulphuric acid
C. Smelting in a furnace
D. Dissolving in water
Graphite is used in nuclear reactor as_____________________?
A. Insulation lining of the reactor
B. Fuel
C. Lubricant
D. Retarder of neutron velocity
The phenomenon of radioactivity was discovered by___________________?
A. Madam Curie
B. Becquerel
C. Roentgen
D. J.J. Thomson
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
A homogeneous reactor is the one, in which the___________________?
A. Fissile atoms are evenly distributed throughout the mass of nuclear reactor
B. Same substance (e.g. heavy water) is used as moderator & coolant
C. The fuel and the moderator is mixed to form a homogeneous material
D. All A., B. and C.
Nuclear fuel complex, Hyderabad is engaged in the job of ___________________?
A. Manufacture of nuclear fuel elements/assemblies
B. Processing of uranium ore
C. Treatment of spent fuel
D. None of these
Heat is generated in a nuclear reactor (thermal) by_________________?
A. Combustion of a nuclear fuel e.g. uranium
B. Fusion of atoms of uranium
C. Absorption of neutrons in uranium atoms
D. Fission of U-235 by neutrons
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