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The endurance limit for a mirror polished material will be __________ as compared to unpolished material.

A. same
B. less
C. more

Option C

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The rolling contact bearings as compared to sliding contact bearings have A. small overall dimensions B. accuracy of shaft alignment C. low starting and low running friction except at very high speeds D. all of the above	The maximum normal stress theory is used for A. brittle materials B. ductile materials C. plastic materials D. non-ferrous materials