Question

For a shoe brake, the equivalent coefficient of friction is equal to (where μ = Actual coefficient of friction, and θ = Semi-block angle)

a.

2μ sinθ/(θ + sinθ)

b.

μ sinθ/(2θ + sin 2θ)

c.

4μ sinθ/(θ + sinθ)

d.

4μ sinθ/(2θ + sin 2θ)

Posted under Mechanical Engineering

Answer: (d).4μ sinθ/(2θ + sin 2θ)

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Q. For a shoe brake, the equivalent coefficient of friction is equal to (where μ = Actual coefficient of friction, and θ = Semi-block angle)

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