A. Concrete
B. Boron
C. 18/8 stainless steel
D. All A., B. and C.
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Related Mcqs:
- Which of the following is a moderating material used in nuclear reactor ?
- A. Graphite B. Cadmium C. Zircaloy (an alloy of zirconium and aluminium) D. Stainless steel...
- Moderating material used in a thermal-reactor should be a ____________________?
- A. Good absorber of neutrons B. Solid substance C. Poor absorber of neutrons D. None of these...
- Thorium-232 (a fertile material) on absorption of a neutron gets converted into ___________ , which is a fissile material?
- A. Thorium-233 B. Uranium-235 C. Uranium-233 D. Plutonium-239...
- Which of the following is not used as a nuclear fuel cladding material ?
- A. Zircaloy B. Cadmium C. Ceramics D. Stainless steel...
- Which of the following is a non-fissile material ?
- A. Plutonium-239 B. Uranium-235 C. Uranium-233 D. Thorium-232...
- Which of the following is not, a fertile material ?
- A. Th-232 B. U-238 C. U-233 D. None of these...
- Radioactive decay of a material involves a _____________ order reaction?
- A. Third B. Second C. First D. Zero...
- Thermal nuclear reactors using enriched uranium as fuel contains a maximum of ____________ percent fissile material i.e. U-235?
- A. 1 B. 2 C. 3 D. 7...
- The amount of a radioactive material (having a half life of 100 years) remaining after 400 years will be ______________ of its original weight?
- A. 1/2 B. 1/4 C. 1/8 D. 1/16...
- The critical mass of a fissionable material can be reduced by__________________?
- A. Heating it B. Cooling it C. Surrounding it by neutron reflecting material D. Surrounding it by neutron absorbing material...
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