Uranium percentage in monazite sand is about________________?
Uranium percentage in monazite sand is about________________?
A. 0.01
B. 0.25
C. 1.2
D. 7
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Sodium melts (at atmospheric pressure) at a temperature of ____________ °C?
Sodium melts (at atmospheric pressure) at a temperature of ____________ °C?A. 58
B. 98
C. 348
D. 588Thorium metal__________________?
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.Both tritium and deuterium have the same number of_______________?
Both tritium and deuterium have the same number of_______________?A. Neutrons
B. Electrons
C. Protons
D. NucleonsThorium-232 is converted into uranium-233 in a/an ______________ nuclear reactor?
Thorium-232 is converted into uranium-233 in a/an ______________ nuclear reactor?A. Thermal
B. Fast breeder
C. Heavy water moderated
D. Enriched uraniumPressure of CO2 gas (which is a coolant) in the Calder-Hall nuclear reactor is ______________ kgf/cm2?
Pressure of CO2 gas (which is a coolant) in the Calder-Hall nuclear reactor is ______________ kgf/cm2?A. 0.2
B. 7
C. 35
D. 50Absorption/scattering cross-section of an element is expressed in “barn”, which is equivalent to___________________?
Absorption/scattering cross-section of an element is expressed in “barn”, which is equivalent to___________________?A. 10-24 cm2
B. 10-12 cm
C. 1 Angstrom
D. 10-24 cm