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: