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GATE Mechanical 2014 Set 2 | Question: 55

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A rectangular hole of size $100$ $mm \times 50$ $mm$ is to be made on a $5$ $mm$ thick sheet of steel having ultimate tensile strength and shear strength of $500$ $MPa$ and $300$ $MPa$, respectively. The hole is made by punching process. Neglecting the effect of clearance, the punching force (in $kN$) is

  1. $300$
  2. $450$
  3. $600$
  4. $750$
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