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Calculate strength in shear of 16mm diameter of bolt of grade 4.6 for lap joint

a) 50 kN
b) 40 kN
c) 29 kN
d) 59 kN

Answer: c
Explanation: Bolts will be in single shear. Diameter of bolt = 16mm. Net area = 0.78x(π/4)x162=156.83mm2.
Strength of bolt in shear = Anbfub/(√3 x 1.25) = 156.83x400x10-3/1.25x√3 = 28.97kN.

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