To induce soft surface for machining on a hard core

By heating 200?C below critical temperature

On steels with carbon percentage of 0.5%

To improve hardenability of steel

On steel with carbon percentage of 0.7%

Carburizing is done – McqOptions

1.	Carburizing is done
A.	By heating 200?C below critical temperature
B.	On steels with carbon percentage of 0.5%
C.	To induce soft surface for machining on a hard core
D.	To improve hardenability of steel
E.	On steel with carbon percentage of 0.7%
Answer» C. To induce soft surface for machining on a hard core

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