Internal cracks in drawn bars are due to Options: A . &nbspSecondary tensile stresses B . &nbspTemperature gradient in the work piece C . &nbspHeated dies and grips D . &nbspInternal compressive residual stress

Internal cracks in drawn bars are due to

Question

Internal cracks in drawn bars are due to

Options:

A . Secondary tensile stresses

B . Temperature gradient in the work piece

C . Heated dies and grips

D . Internal compressive residual stress

Answer: Option A

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