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【每日一题 泵设备】填空题2019.6.21

2019-06-21View Original

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本帖最后由 3983596_FPPZ 于 2019-6-21 13:41 编辑 bk14.jpg答题及管理规则:1、每题答案全部错误,积极参与奖励2财富,非答案类回复不予奖励;2、答案部分(答对一道)正确奖励5财富;答案全部正确奖励8财富;3、回答奖励每人限一次;4、每个回复限管理评分一次;5、回复后可见答案及解释;6、回复奖励在48小时内有效。 学*又拿奖,天天来逛逛 1、双缸双作用柱塞泵,缸径50mm,行程260mm,柱塞冲次为75次/min,不计损失,则该泵流量为( )L/min ; 2、沿海地区一居民生活用水的非密闭水塔,水位垂直高22米,该地区大气压为101KPa,则塔底静水压为( )KPa(A)。 答案:1、(0.5^2/4)*3.14159*2.6*4*75=153.2; 2、1000*9.81*22/1000+101=316.8
Reply #22019-06-21
1、153.2 2、316.8
Reply #32019-06-21
1、153.2 2、316.8
Reply #42019-06-21
147L/min 316kpa
Reply #52019-06-21
1、153.2 ;2、316.8
Reply #62019-06-21
1、38268.752、2200
Reply #72019-06-21
1、76.5 2.321
Reply #82019-06-21
1、76.5L/min 2、46483.26KPa(A)。
Reply #92019-06-21
1、38;2、2923.7
Reply #102019-06-21
1、153.2 2、316.8
Reply #112019-06-21
1、153.2 2、316.8
Reply #122019-06-21
1、153.2 2、316.8
Reply #132019-06-21
1、38.3 2、316.6
Reply #142019-06-21
1、153.2; 2、316.8
Reply #152019-06-21
1、38.27 2、316.82
Reply #162019-06-21
1 38.27 2 215.6
Reply #172019-06-21
1、153.2 2、316.8
Reply #182019-06-21
1、153.2 2、316.8

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