If an article develops insufficient hardening after quenching, the defect can be corrected by

Metallurgy Mcqs
BILAL KHATTAK0

A.removing scale from surface
B.normalising or annealing followed by hardening
C.reheating the article in oxidizing atmosphere and quenching
D.Any of the above

Related Mcqs:

  1. If an article develops insufficient hardening after quenching it could be due to any of the following EXCEPT:
  2. During hardening soft spots can be avoided by
  3. Induction hardening is the process of
  4. Cyaniding
  5. The operation that usually follwos hardening is
  6. If a piece of steel is reheated to a temperature of 200?C to 250?C immediately after quenching, the process is known as
  7. During heat treatment quenching cracks occur due to
  8. If a sample of steel shows unsymmetrical deformation of a piece in quenching, the probable cause could be
  9. Which hardening process is generally not used for steels?
  10. Which of the following hardening process is generally used for non-ferous materials?

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