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.Management Sciences
Category: Nuclear Power Engineering
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
The electric power generation cost in nuclear power plant is less than that in a coal based thermal power plant, mainly because the________________?
A. Fuel cost per unit power generated is less
B. Thermal efficiency of the former is higher
C. Maintenance cost of the former is less
D. None of these
Safety rods provided in nuclear reactors to guard against accidents, in case of earthquake are made of___________________?
A. High carbon steel
B. Molybdenum
C. Zircaloy
D. Boron or cadmium
Pressure in a Pressurised Water Reactor (PWR) is used for ____________________?
A. Maintaining constant pressure in the primary cooling circuit under varying loads
B. Superheating the steam
C. Pressurising the water in the primary coolant circuit
D. None of these
Which of the following radiations is the least penetrating ?
A. α-rays
B. β-rays
C. γ-rays
D. X-rays
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