Search any question & find its solution
Question:
Answered & Verified by Expert
Railway wagon axles are made by heating iron rods embedded in charcoal powder.
This process is known as
Options:
This process is known as
Solution:
2846 Upvotes
Verified Answer
The correct answer is:
case-hardening
The process of hardening of iron rods of railway wagon axles embedded in charcoal powder is known as case-hardening. In this process surface of iron rods get hardened by depositing a layer of steel on its surface.
Looking for more such questions to practice?
Download the MARKS App - The ultimate prep app for IIT JEE & NEET with chapter-wise PYQs, revision notes, formula sheets, custom tests & much more.