For wire drawing operation, the work material should be-

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NPCIL ST ME (07/11/2019, Shift-2)
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  1. Ductile
  2. Tough
  3. Malleable
  4. Resilient

Answer (Detailed Solution Below)

Option 1 : Ductile
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Concept:

Malleability

  • The ability of the material to deform to a greater extent before signs of crack appear when it is subjected to a compressive force.
  • It  is the property of a material by virtue of which a material can be rolled or hammered into thin sheets  

Hardness

  • Hardness is a measure of a metal's ability to withstand scratching, wear, and abrasion, indentation by harder bodies.

Resilience

  • It is defined as the capacity of a strained body for doing work on the removal of the straining force.
  • This property is essential for machine components which are required to withstand impact loads.

Ductility

  • The capacity of a material to undergo deformation under tension without fracture in the material that property of a body is known as Ductility. E.g. Wire Drawing, etc.
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