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Asked: 2020-03-17T04:06:13+05:30 In:

GATE MT 2011 Q47. What is the ideal extrusion pressure if the effective flow stress in compression is 250 MPa?

Poll Results

75%(A) 693 MPa ( 6 voters )
25%(B) 346 MPa ( 2 voters )
0%(C) -346 MPa
0%(D) -703 Mpa
Based On 8 Votes

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GATE MT 2011 Q47. What is the ideal extrusion pressure if the effective flow stress in compression is 250 MPa?
extrusion pressureGATE MT 2011 Question paper with solutionGATE MT Metal workingGATE MT Previous Year Questions With Solution
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    2 Answers

    1. Best Answer
      official account of Askmemetallurgy
      This answer was edited.

      Correct answer is option A. P= kA0Ln(A0/Af) P= 250 ln16 = 693.15 MPa    

      Correct answer is option A.

      P= kA0Ln(A0/Af)

      P= 250 ln16 = 693.15 MPa

       

       

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    2. Platinum GATE Metallurgy Coaching

      Option A Pressure = stress * ln(A1/A2)

      Option A

      Pressure = stress * ln(A1/A2)

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