Question 51 : Which reactor has no moderator and its core size is less?
1. Fast reactor
2. Burner reactor
3. Thermal reactor
4. Breeder reactor
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Question 52 : Which reactor uses orthometaerhenyl and paratherphenyl as coolant and moderator?
1. Liquid metal fast breeder reactor
2. Gas cooled fast breeder reactor
3. Organic substance cooled reactor
4. CANDU Heavy water reactor
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Question 53 : What are released into biosphere from nuclear power plants?
1. Gaseous effluents
2. Waste Product
3. Smoke
4. The obtained product
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Question 54 : Who invented nuclear fission?
1. Rutherford
2. Hans Bethe
3. Otto Hahn
4. Marie Curie
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Question 55 : PWR stands for ________
1. Power
2. Partially weathered rock
3. Pressurized water Reactor
4. Packaging waste regulations
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Question 56 : Which reactor produces only heat?
1. Burner reactor
2. Breeder reactor
3. Thermal reactor
4. Intermediate reactor
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Question 57 : A 400 MW nuclear power station would produce a equivalent radium of _____________
1. 100 tons daily
2. 1000 tons daily
3. 500 tons daily
4. 10 tons daily
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Question 58 : Why neutrons with lower energy should be capable of causing fission?
1. For faster reaction process
2. For sustained reaction process
3. For Safety purpose
4. In order to not waste the nuclear fuel
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Question 59 : Using Helium gas in GCFBR has many advantages?
1. True
2. False
3.
4.
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Question 60 : Why is it necessary to accelerate positively charged nuclei to high kinetic energies to cause fusion?
1. To overcome electrical repulsive forces
2. To result in high amount of energy in short period of time
3. To get the isobars and isotopes
4. TO get a sustainable reaction
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