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N R Verma Verma

· started a discussion

· 1 Months ago

wrong answer (Question: 332597.0 )

answer is silicon

Question:

Which of the following material is added to increase hardenability in steel: 

Options:
A)

Nickel    

B)

Chromium

C)

Tungsten 

D)

Silicon

  

Solution:

Ans:(A)

 

Deepak kumar

· commented

· 1 Months ago

Silicon increase magnetic permeability
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