The radius of a bar bend to form a hook, should not be less than______

1.	The radius of a bar bend to form a hook, should not be less than_______________?
A.	Twice the diameter
B.	Thrice the diameter
C.	Four times the diameter
D.	Five times the diameter
Answer» B. Thrice the diameter

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The radius of a bar bend to form a hook, should not be less than_______________?

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