A round rod of annealed bras 70-30 is being drawn from a diameter of 8 mm to a diameter of 4 mm at a speed of 0.8 m/s. (k = 895 MPa, n = 0.49)
Q.
The power required in this operation is
  • a)
    3.497 kW
  • b)
    1.47 kW
  • c)
    2.88 kW
  • d)
    2.32 kW
Correct answer is option 'A'. Can you explain this answer?

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