The main ore of thorium is_________________?
The main ore of thorium is_________________?
A. Pitchblende
B. Monazite sand
C. Limonite
D. Galena
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Fuel for a fast breeder reactor is_________________?
Fuel for a fast breeder reactor is_________________?A. Plutonium
B. Uranium
C. Radium
D. NeptuniumPercentage 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. 32.97The main purpose of control rod in a nuclear reactor is to control the___________________?
The main purpose of control rod in a nuclear reactor is to control the___________________?A. Chain reaction and hence the power output by regulating the number of secondary neutrons
causing fission
B. Emission of hazardous radiation
C. Conversion of fissile material into fertile material
D. Velocity of the secondary neutronsU-235 content in enriched uranium, that is normally used in power reactors (e.g., at Tarapur atomic power plant), is about _____________ percent?
U-235 content in enriched uranium, that is normally used in power reactors (e.g., at Tarapur atomic power plant), is about _____________ percent?A. 85
B. 50
C. 3
D. 97Solar energy results from _______________ reaction?
Solar energy results from _______________ reaction?A. Fission
B. Combustion
C. Thermonuclear
D. None of theseIn a homogeneous nuclear reactor, the _____________ are mixed together?
In a homogeneous nuclear reactor, the _____________ are mixed together?A. Fuel & coolant
B. Fuel & moderator
C. Coolant & moderator
D. None of these