case hardening processes are those where……..
A) complete component is through harden
B) complte component is melted
C) only surface of the component ,whose hardness is incresed
D) all of the above
Correct Answer:
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Q4: After Austempering process, the phase bainite which
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
Q10: In carburisng process which of the following
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
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