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One question per day; no prize for correct answers, it’s mainly for entertainment

2019-12-13View Original

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41. Reducing the clearance between the rolling bearings and the shaft journals as well as the bearing housing holes can decrease the ( ) of the spindle within the bearings, which helps to improve rotational accuracy. A. Thermal expansion amount B. Tilting amount C. Runout amount. The answer to the question from yesterday was: A. 40. The establishment of the oil film pressure in a hydrostatic bearing is ensured by ( ). ?A. Fuel supply pressure B. Rotational speed C. Load magnitude

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