A 25 mm hole is pierced in at = 2.5 mm thick steel sheet having shear strength = 350 MPa. If the diametral clearance is given by the expression c = 0.0064 , the die diameter (in mm), punch diameter (in mm) and punch force in (kN) respectively are

A 25 mm hole is pierced in at = 2.5 mm thick steel sheet having shea

1.	A 25 mm hole is pierced in at = 2.5 mm thick steel sheet having shear strength = 350 MPa. If the diametral clearance is given by the expression c = 0.0064 , the die diameter (in mm), punch diameter (in mm) and punch force in (kN) respectively are
A.	25.0, 25.3, 171.8
B.	25.0, 24.7, 68.75
C.	24.7, 25.0, 171.8
D.	25.3, 25.0, 68.75
Answer» E.

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A 25 mm hole is pierced in at = 2.5 mm thick steel sheet having shear strength = 350 MPa. If the diametral clearance is given by the expression c = 0.0064 , the die diameter (in mm), punch diameter (in mm) and punch force in (kN) respectively are

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