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Machine Design
Design Against Static Load
GATE 2010
Medium

A bracket is rigidly mounted on a wall using four rivets, each 6 mm in diameter, arranged symmetrically about the line of action of a 1000 N load applied at the free end. Direct shear stress (in MPa) in the most heavily loaded rivet is

  • A4.4
  • 8.8
  • C17.6
  • D35.2

Explanation

Direct (primary) shear load per rivet=1000N/4=250N. Rivet area=(π/4)(6)²=28.27 mm². Direct shear stress=250/28.27≈8.8 MPa.

Source: GATE ME 2010 (2010)

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