In carburisng process which of the following element is diffused in a metal surface?
A) nitrogen
B) oxygen
C) carbon
D) carbide dioxide
Correct Answer:
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Q5: one of the following is main advantage
Q6: hardenability is nothing but……..
A)ability of metals to
Q7: hardenability of a metal or alloy is
Q8: One of the following defect is aride
Q9: case hardening processes are those where……..
A)complete component
Q11: Out of the following process,one is not
Q12: heat treatment is never required after carburisig
Q13: In nitriding process which of the following
Q14: one of the following is a step
Q15: One of the following metal alloy is
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