Molten sodium cooled
CO2 gas cooled
Pressurised water
Boiling water
✅ The correct answer is option D.
Nuclear Power Engineering MCQs
If 4 gm of a radioisotope has a half life period of 10 days, the half life of 2 gm of the same istotope will be __________ days.
5
10
20
30
✅ The correct answer is option B.
Thermal nuclear reactors using enriched uranium as fuel contains a maximum of __________ percent fissile material i.e. U-235.
1
2
3
7
✅ The correct answer is option C.
How many atoms are present in one gm-atom of an element ?
2 x 1023
6 x 1023
6 x 1032
5 x 105
✅ The correct answer is option B.
Which of the following may be used to measure the rate of nuclear disintegration?
Geiger-Muller Counter
Cyclotron
Cold chamber
Mass spectrograph
✅ The correct answer is option A.
Which of the following ores contains maximum percentage of uranium ?
Carnotite
Thorium.
Rescolite
Pitchblende
✅ The correct answer is option D.
Which of the following gases has very high neutron capture cross-section, making it unsuitable as a coolant in nuclear reactor?
N2
He
CO2
H2
✅ The correct answer is option A.
Which of the following accounts for the maximum energy release in the nuclear fission process ?
Kinetic energy of fission products
Radioactive decay of fission products
Instantaneous release of γ-rays
Kinetic energy of neutrons
✅ The correct answer is option A.
Heavy water used in the nuclear reactors to slow down the speed of neutrons is
highly purified water.
a compound of oxygen and deuterium.
water having dissolved salts of heavy metals.
none of these.
✅ The correct answer is option B.
The phenomenon of radioactivity was discovered by
Madam Curie
Bacquerrel
Roentgen
J.J. Thomson
✅ The correct answer is option B.