Shear strength of the welded joint for double parallel fillet is (where τ = Allowable shear stress for weld metal)

A)
s.l.τ
B)
2.s.l.τ
C)
√2 s.l.τ
D)
0.5 s.l.τ

Correct Answer : Option (C) :   √2 s.l.τ