Percentage of the heavy water in ordinary water is around ____________________?
Percentage of the heavy water in ordinary water is around ____________________?
A. 0.015
B. 7.54
C. 0.71
D. 32.97
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Liquid metal (e.g., molten sodium) is preferred as a coolant in case of a/an ______________ reactor?
Liquid metal (e.g., molten sodium) is preferred as a coolant in case of a/an ______________ reactor?A. Homogeneous
B. Graphite moderated
C. Fast breeder
D. Enriched uranium (3% U-235) fuelledOrdinary water is not used as a moderator because, it___________________?
Ordinary water is not used as a moderator because, it___________________?A. Has a low absorption cross-section
B. Has a low scattering cross-section
C. Absorbs neutrons
D. Does not absorb neutronsWhich of the following is a non-fissile material ?
Which of the following is a non-fissile material ?A. Plutonium-239
B. Uranium-235
C. Uranium-233
D. Thorium-232Isotopes of an element have the same__________________?
Isotopes of an element have the same__________________?A. Number of neutrons
B. Mass number
C. Electronic configuration
D. Atomic weightFuel for a fast breeder reactor is_________________?
Fuel for a fast breeder reactor is_________________?A. Plutonium
B. Uranium
C. Radium
D. NeptuniumThe atomic number of a radioactive element is not changed, when it emits _____________ rays?
The atomic number of a radioactive element is not changed, when it emits _____________ rays?A. α
B. β
C. γ
D. α & β