If d is the diameter of a bar, ft is allowable tensile stress and fb, – McqOptions

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1.	If d is the diameter of a bar, ft is allowable tensile stress and fb, is allowable bondstress, the bond length is given by
A.	ft.d/4fb
B.	( /4). (ft.d/fb)
C.	ft.d²/fb
D.	( /4). (ft.d3/fb)
Answer» B. ( /4). (ft.d/fb)

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