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

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This question belongs to Mechanical Engineering Machine Design

Machine Design

?

For a shoe brake, the equivalent coefficient of friction is equal to (where $$\mu $$ = Actual coefficient of friction and $$\theta $$ = Semi-block angle)

A) $$\frac{{2\mu \sin \theta }}{{\theta + \sin \theta }}$$ B) $$\frac{{\mu \sin \theta }}{{2\theta + \sin 2\theta }}$$ C) $$\frac{{4\mu \sin \theta }}{{\theta + \sin \theta }}$$ D) $$\frac{{4\mu \sin \theta }}{{2\theta + \sin 2\theta }}$$

Answer & Solution

Correct Answer: Option D

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For a shoe brake the equivalent coefficient of friction is equal...

For a shoe brake, the equivalent coefficient of friction is equal to (where $$\mu $$ = Actual coefficient of friction and $$\theta $$ = Semi-block angle)

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