Chemical Engineering - Nuclear Power Engineering
Exercise :: Nuclear Power Engineering - Section 2
31.
Positron is a/an
A. nucleus having two protons. B. helium nucleus. C. electron with positive charge. D. nucleus with one proton and one neutron.
Answer: Option C
Explanation:
32.
Uranium is recovered from its ore (pitchblende) by
A. froth floatation technique. B. leaching with sulphuric acid. C. smelting in a furnace. D. dissolving in water.
Answer: Option B
Explanation:
33.
Which of the following is the best nuclear fuel?
Answer: Option C
Explanation:
34.
Pick out the correct statement.
A. Positron is the antiparticle of electron. B. In α-decay, the ratio of neutron to proton decreases. C. Ionising power of β-rays is higher than that of α-rays. D. Speed of α-rays is more than that of γ-rays.
Answer: Option A
Explanation:
35.
Which of the following nuclear reactors is the most efficient thermodynamically while operating between the same temperature and pressure limits of the reactor ?
A. Molten sodium cooled B. CO2 gas cooled C. Pressurised water D. Boiling water
Answer: Option D
Explanation:
