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.Management Sciences
Category: Nuclear Power Engineering
Percentage of heavy water in ordinary water is around__________________?
0
A. 0.015
B. 7.54
C. 0.71
D. 32.97
Which of the following nuclear materials is fissile ?
A. Uranium-238
B. Thorium-232
C. Plutonium-239
D. None of these
Which one is different for the neutral atoms of the isotopes of an element ?
A. Atomic weights
B. Atomic numbers
C. Number of protons
D. Number of electrons
Both tritium and deuterium have the same number of_______________?
A. Neutrons
B. Electrons
C. Protons
D. Nucleons
In nuclear reactions, ______________ number is conserved?
A. Mass
B. Atomic
C. Both A. & B.
D. Neither A. nor B.
Use of molten metal as a coolant in fast breeder reactor helps in_________________?
A. Rapid heat transfer from the core
B. Accelerating the reaction rate in the core
C. Breeding neutrons
D. Accelerating the neutrons
Heavy water is used as a moderator in a _____________________?
A. Pressurised water reactor (PWR)
B. Boiling water reactor (BWR)
C. Candu reactor
D. Molten sodium cooled reactor
Which is used as a coolant in nuclear reactor due to its high capture cross-section ?
A. H2
B. N2
C. He
D. CO2
Which of the following is the most harmful for the human being ?
A. β-rays
B. X-rays
C. γ-rays
D. Ultra violet rays
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