The force required for piercing a round hole when the die and punch are not provided with any shear is given by: Where L = length of die land, D = diameter of hole, T = thickness, S = shear strength

The force required for piercing a round hole when the die and punch ar

1.	The force required for piercing a round hole when the die and punch are not provided with any shear is given by: Where L = length of die land, D = diameter of hole, T = thickness, S = shear strength
A.	LST
B.	\[\pi \] DS
C.	DLST
D.	\[\pi \] DST
Answer» E.

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The force required for piercing a round hole when the die and punch are not provided with any shear is given by: Where L = length of die land, D = diameter of hole, T = thickness, S = shear strength

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