【Pump Technology Edition: Daily Question】January 22, 2020 (Spring Festival bonus: 10 Wealth points for those who answer correctly before the answers are revealed)

2020-01-22View Original

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81. The internal gear of the gear coupling has a certain amount of axial play, to ensure that both shafts have their own margin for ( ). A. Oil storage gaps B. Deformation under stress C. Thermal expansion and contraction. Answer to yesterday’s question: C. 80. In chain drive, as the teeth of the sprocket gradually wear out, the pitch increases and the chain wears more rapidly; when the wear becomes severe, what should be done? A. Adjust the center distance of the sprockets B. Replace individual chain links C. Replace the sprockets and chain. (Answers will be released the day before they are made public; those who get it right before the release receive 10 wealth points, those who get it right after the release receive 5 wealth points, and those who participate receive 3 wealth points.)

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【Pump Technology Edition: Daily Question】January 22, 2020 (Spring Festival bonus: 10 Wealth points for those who answer correctly before the answers are revealed)

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