Question 11 : What are the ways in which most of radio activeness is removed?
1. Infusing them with other metal
2. Neutralizing them by diluting in chemical solutions
3. Storing them
4. Segregating them into small packs
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Question 12 : Combining of two light nuclei of low mass to produce a heavy nucleus is called ___________
1. Nuclear fusion
2. Nuclear fission
3. Spontaneous fission
4. Double beta decay
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Question 13 : CANDU stands for ____________
1. Canadian Natural Darmstadtium Uranium
2. Canadian Natural Deuterium Uranium
3. Canadian Natural Dubnium Uranium
4. Canadian Natural Dysprosium Uranium
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Question 14 : What is the approx cost of disposing nuclear waste into sea per cubic meter?
1. 50 rs
2. 300 rs
3. 500 rs
4. 1000 rs
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Question 15 : How are active liquids of nuclear waste disposed?
1. Stored in concrete tanks and buried underground
2. Stored in concrete tanks and buried in sea
3. Mixed with other chemicals and left into free atmosphere
4. They are reused and burnt away in gaseous fumes
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Question 16 : Which of the following element is readily available in the ordinary water?
1. Cesium
2. Thorium
3. Deuterium
4. Astatine
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Question 17 : What is the most attractive part of nuclear energy?
1. Supports countries development
2. Causes no pollution
3. Has high efficiency of energy production
4. Is available in abundance
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Question 18 : ₉₀Th²³² is fertile isotope produced by fission?
1. True
2. False
3.
4.
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Question 19 : How many types of Boiling water reactor cycles are there?
1. 2
2. 3
3. 4
4. 5
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Question 20 : What happens when a neutron is absorbed by a nucleus of an atom of U235?
1. Mass number of atom increases
2. One electron is let out
3. U236 isotope is formed
4. Nucleus becomes unstable
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