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CSS Solved Papers
Physics Chemistry

Engineering :: Theory of Machines

  In a well greased ball bearing the coefficient of friction may be in the range
[A]. 0.1 to 0.25[B]. 0.25 to 0.45
[C]. 0.45 to 0.60[D]. 0.60 to 0.70
[E]. 0.70 to 0.80    

Answer: Option A
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