Q: 104 (IAS/1998)
question_subject:
Science
question_exam:
IAS
stats:
0,54,54,24,18,54,12
keywords:
{'nuclear reactors': [0, 1, 1, 3], 'elements': [0, 0, 2, 5], 'zirconium': [0, 2, 1, 0], 'cobalt': [0, 0, 0, 1], 'tungsten': [0, 0, 0, 2], 'nickel': [1, 0, 0, 0], 'construction': [2, 2, 4, 14]}
The element essential for the construction of nuclear reactors among the options provided is Zirconium. Zirconium is commonly used in nuclear reactors as a structural material due to its excellent corrosion resistance, high melting point, and low neutron absorption cross-section. It is used to make the fuel rods and cladding in nuclear reactors. Zirconium alloys, such as zircaloy, are specifically designed to withstand the extreme conditions inside a nuclear reactor, including high temperatures and radiation exposure. These alloys help maintain the integrity and safety of the reactor during operation.