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.Management Sciences
Category: Nuclear Power Engineering
_____________ have the same mass number, but different nuclear charge ?
A. Isotopes
B. Isobars
C. Isotones
D. None of these
The disintegration rate of a radioactive element _______________?
A. Progressively increases
B. Progressively decreases
C. Remains constant throughout
D. May increase or decrease depending on the material
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
The decrease in the atomic number is not observed in case of________________?
A. Electron capture
B. β-emission
C. α-emission
D. Positron emission
In the gaseous diffusion process of uranium enrichment, the natural uranium is converted into gaseous ________________?
A. Uranium oxide
B. Uranium hexafluoride
C. Uranium carbide
D. Uranium sulphate
Thorium metal__________________?
A. Resembles steel in appearance
B. Is less hard (in the range of silver)
C. Is highly ductile
D. All A., B. and C.
Out of the following places, a nuclear power plant is not located at______________?
A. Talcher (Orissa)
B. Kaiga (Karnataka)
C. Rawatbhata (Rajasthan)
D. Kalpakkam (Tamilnadu)
A fertile material is the one, which can be__________________?
A. Converted into fissile material on absorption of neutron
B. Fissioned by slow (thermal) neutrons
C. Fissioned by fast neutrons
D. Fissioned by either slow or fast neutrons
Which of the following is not a naturally occurring nuclear fuel ?
A. Uranium-238
B. Thorium-233
C. Plutonium-239
D. None of these
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