Two steel rods connected by cotter joint are subjected to 50 kN load each. What is the minimum diameter required of the rods? (Given: Yielding Stress= 400N/mm² ; Factor of Safety=6)
A)31mm
B)35mm
C)36mm
D)40mm

Question

Quizplus · Accepted Answer

The minimum diameter required for the rods can be calculated using the formula for the area required (A) = Load (P) / (Stress (σ) / Factor of Safety (FoS)). Given P = 50 kN = 50000 N, σ = 400 N/mm², and FoS = 6, we find A = 50000 / (400/6) = 750 mm². The diameter (d) can then be found using the area formula for a circle, A = π/4 * d², solving for d gives d ≈ 30.98 mm, which rounds up to the nearest option, 31mm.

Two Steel Rods Connected by Cotter Joint Are Subjected to 50