【Daily Question: Pump Equipment】Fill-in-the-blank question, April 13, 2019

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This post was last edited by 3983596_FPPZ on 2019-4-13 at 13:57: bk12.jpg. 1. Those who get both questions wrong receive +2 Wealth for active participation; those who get one question wrong and one right receive +5 Wealth; those who get both questions right receive +8 Wealth. 2. If only one answer is provided, unless it is clear which question’s answer it is, a correct answer earns +5 wealth points, while an incorrect answer earns +2 wealth points; in all other cases, it is counted as active participation and grants +2 wealth points. 3. Rewards for answers are available once per person only. 4. Each reply allows scoring for only one person. 5. The answer and its explanation will be visible after responding. 6. The reward is valid for 48 hours; no reward will be given if the deadline is passed. The student has won another award; come by here every day. According to API610, when the weight of the motor exceeds ( ) kg, motor adjustment blocks should be installed on the pump base, so that set screws can be used to adjust the motor’s position during coupling alignment. It is also required that the thread size of these set screws be no smaller than ( ). Answer: 225kg (many Chinese versions of API610 specify 250kg, while the English version states 225kg; the Chinese version is incorrect. Thanks to Foam Super for pointing this out; it has been corrected) ； M12