Discussion
Which agency has developed a process to produce ceramics from fly ash having superior abrasion resistance ?
Answer: A
The key gives the National Metallurgical Laboratory, Jamshedpur.
The CSIR-National Metallurgical Laboratory is located at Jamshedpur, Jharkhand. It has worked on using fly ash, the residue of coal-fired power stations, as a raw material for ceramic and other products, and the paper credits it with this process.
Options C and D name the same laboratory in the wrong city, Dhanbad (home of CSIR-CIMFR and IIT (ISM)) or Ranchi. The National Chemical Laboratory, Pune, works in chemistry rather than fly-ash ceramics.
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