Mechanical Engineering - Workshop Technology - Discussion

Discussion Forum : Workshop Technology - Section 1 (Q.No. 47)
47.
The ferrous metals require more machining allowance than non-ferrous metals.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
4 comments Page 1 of 1.

Vinay BEL said:   5 years ago
In ferrous metal, the casting gets oxidized in the mold during heat treatment and scales is formed, which has to be removed, due to which machining allowance is given in casting using ferrous metal.

Shubham said:   5 years ago
Exact this will happen with non-ferrous metal. So how can we say it? Please elaborate.

Sohel said:   9 years ago
In ferrous metal, the casting gets oxidized in the mold during heat treatment and scales is formed, which has to be removed, due to which machining allowance is given in casting using ferrous metal.

Pravin Patil (PP) said:   9 years ago
@Pravin.

Why more machining allowance require for ferrous metal?

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