Hydrogen has ______________ isotopes?
Hydrogen has ______________ isotopes?
A. No
B. One
C. Two
D. Three
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Water is a better coolant than a gas (like CO2, He, N2 etc.), because it_________________?
Water is a better coolant than a gas (like CO2, He, N2 etc.), because it_________________?A. Is a better neutron moderator as well
B. Require comparatively smaller pumps and heat exchanger for a given heat transfer rate
C. Has a better heat transfer characteristics, and it can be pressurised to attain a high temperature
D. All A., B. and C.Radioactivity of an isotope is expressed in______________________?
Radioactivity of an isotope is expressed in______________________?A. Barn
B. MeV
C. Curie
D. ErgsWhich of the following is not an ore of uranium ?
Which of the following is not an ore of uranium ?A. Pitchblende
B. Kyanite
C. Carnotite
D. RescoliteThe amount of a radioactive material (having a half life of 100 years) remaining after 400 years will be ______________ of its original weight?
The amount of a radioactive material (having a half life of 100 years) remaining after 400 years will be ______________ of its original weight?A. 1/2
B. 1/4
C. 1/8
D. 1/16Which of the following may be used to measure the rate of nuclear disintegration ?
Which of the following may be used to measure the rate of nuclear disintegration ?A. Geiger-Muller Counter
B. Cyclotron
C. Cold chamber
D. Mass spectrographWhich of the following is a fuel for a fusion reactor (thermonuclear reactor) ?
Which of the following is a fuel for a fusion reactor (thermonuclear reactor) ?A. Deuterium and tritium
B. U-233
C. Thorium
D. Heavy water