【Daily Question: Pump Equipment】True or False Question, April 1, 2019

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This post was last edited by 3983596_FPPZ on 2019-4-1 at 12:42. Rules for the true/false questions: 1. If both answers are incorrect, +2 wealth for active participation; if one answer is correct and the other is incorrect, +5 wealth; if both answers are correct, +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 awards +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 after that period. Studying* and winning awards again; come by here every day. 1. Among the greases used for rolling bearings, lithium-based greases can withstand higher temperatures than calcium-based greases, and they are also water-soluble ( ) ； 2. YB132S2-2 is a 7.5KW asynchronous flameproof motor with a synchronous speed of 3000rpm, and its frame center height is 132cm ( ). Answer: 1, Correct ； 2. Error (it is 132 mm, not 132 cm)