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CSS Solved Papers
Physics Chemistry

Engineering :: Strength Of Materials

  For punching a hole of 25 mm diameter in a plate 20 mm thick, if the shear stress of plate material is 30 kg/mm2, the force required would be
[A]. 10,000 kg[B]. 18,850 kg
[C]. 28,850 kg[D]. 47,123 kg
[E]. None of the above    

Answer: Option D
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