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The pull required to tear off the plate per pitch length is (where p = Pitch of rivets, t = Thickness of plates, and σt, τ and σc = Permissible tensile, shearing and crushing stresses respectively)

(p - 2d)t x σc
(p - d)t x τ
(p - d)t x σt
(2p - d)t x σt

Correct Answer: (p - d)t x σt

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