Percentage of U-238 in natural uranium is around__________________?
Percentage of U-238 in natural uranium is around__________________?
A. 0.71
B. 99.29
C. 0.015
D. 29.71
Nuclear Power Engineering
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Which of the following is not a good moderating material ?
Which of the following is not a good moderating material ?A. Concrete
B. Boron
C. 18/8 stainless steel
D. All A., B. and C. -
The electric power generation cost in nuclear power plant is less than that in a coal based thermal power plant, mainly because the________________?
The electric power generation cost in nuclear power plant is less than that in a coal based thermal power plant, mainly because the________________?A. Fuel cost per unit power generated is less
B. Thermal efficiency of the former is higher
C. Maintenance cost of the former is less
D. None of these -
Which is used as a coolant in nuclear reactor due to its high capture cross-section ?
Which is used as a coolant in nuclear reactor due to its high capture cross-section ?A. H2
B. N2
C. He
D. CO2 -
β-rays emission in radioactive disintegration is always accompanied by the emission of____________________?
β-rays emission in radioactive disintegration is always accompanied by the emission of____________________?A. γ-rays
B. α-rays
C. Neutrons
D. None of these -
Final product of uranium extraction plant at Jadugoda (Bihar) is________________?
Final product of uranium extraction plant at Jadugoda (Bihar) is________________?A. Uranium
B. Uranium oxide
C. Uranium carbide
D. Magnesium diuranate -
Thorium-232 (a fertile material) on absorption of a neutron gets converted into ___________ , which is a fissile material?
Thorium-232 (a fertile material) on absorption of a neutron gets converted into ___________ , which is a fissile material?A. Thorium-233
B. Uranium-235
C. Uranium-233
D. Plutonium-239 -
Tarapur (INDIA) atomic power station____________________?
Tarapur (INDIA) atomic power station____________________?A. Has two boiling water reactors of American design
B. Has an installed capacity of 400 MW
C. Is the first power reactor in India, which became critical in 1969
D. All A., B. and C. -
Plutonium________________?
Plutonium________________?A. Is recovered from spent fuel from thermal nuclear reactor
B. Has much lower melting point (640°C ) compared to thorium (1690°C)
C. Both A. and B.
D. Neither A. nor B. -
Which of the following ores contains maximum percentage of uranium ?
Which of the following ores contains maximum percentage of uranium ?A. Carnotite
B. Thorium
C. Rescolite
D. Pitchblende