If a roller-bearing-supported shaft spins in perfect balance and the bearings have wear in the form of many small scratches on the balls, the pillow block supporting the bearing will experience

A. stronger high frequency vibration components than a bearing with a few small scratches
B. stronger low frequency vibration components than a bearing with a few small scratches
C. no effect at all
D. piezoresistive effects
E. relativistic and quantum physics effects


Answer: C

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A. A only B. B only C. Both A and B D. Neither A nor B

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