During hardening soft spots can be avoided by

Metallurgy Mcqs
BILAL KHATTAK0

A.using a more effective cooling medium
B.protecting against decarburization in heating
C.obtaining a more homogeneous structure employing annealing or normalising before hardening
D.Any of the above

Related Mcqs:

  1. If an article develops insufficient hardening after quenching, the defect can be corrected by
  2. If an article develops insufficient hardening after quenching it could be due to any of the following EXCEPT:
  3. Local hardening of steel can be done by all of the following EXCEPT:
  4. The process of production of articles having a soft ductile interior and a very hard surface, is known as
  5. The operation that usually follwos hardening is
  6. Induction hardening is the process of
  7. In a specimen of hardened steel, hard and soft spots indicate
  8. Which hardening process is generally not used for steels?
  9. Which of the following hardening process is generally used for non-ferous materials?
  10. Fluid continuum is a concept in which

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