During heat treatment quenching cracks occur due to

Related MCQs

• Quenching cracks during heat treatment can be minimised
• If an article develops insufficient hardening after quenching it could be due to any of the following EXCEPT
• Warping of articles during heat treatment may be due to
• During heat treatment the formation of thick layer of scale on the surface of steel articles is mainly due to
• If a sample of steel shows unsymmetrical deformation of a piece in quenching, the probable cause could be
• Warping may be avoided when quenching a long slender piece of work by
• If an article develops insufficient hardening after quenching, the defect can be corrected by
• The highest rate of quenching is possible in
• During heat treatment, deformation and volume changes can be minimised by
• The effect of austenitic grain size development during heat treatment is