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2019-03-28View Original

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本帖最后由 3983596_FPPZ 于 2019-3-28 08:13 编辑 bk14.jpg 1、两个题(空)回答全错给予积极参与+2财富,回答一错一对给予+5财富,回答全对给予+8财富。2、如只回复一个答案,除非明确了是哪道题的答案,正确+5财富,错误+2财富,否则一律按积极参与+2财富执行。3、回答奖励每人限一次。4、每个回复限评分一人次。5、回复后可见答案及答案解释。6、奖励在48小时内有效,逾期不予奖励。 学*又拿奖,天天来逛逛 一容积泵,介质比重0.85,泵铭牌流量为15L/s,则体积流量可以换算为( )m3/h,质量流量为( )T/h 答案: 15*3.6=54;54*0.85=45.9
Reply #22019-03-28
算错了,是秒,我竟然60*60*60,晕
Reply #32019-03-28
15*3.6=54;54*0.85=45.9
Reply #42019-03-28
一容积泵,介质比重0.85,泵铭牌流量为15L/s,则体积流量可以换算为( 54 )m3/h,质量流量为( 43.2 )T/h 0.85x1000kg/m3 15L/s=15/1000/(1/3600)=54m3/h 0.85x1000x54/10000 T/h
Reply #52019-03-28
0.85x1000x54/10000 T/h 明明这样写的 算成x0.8啦
Reply #62019-03-28
0.054 0.0459
Reply #72019-03-28
本帖最后由 xxudong 于 2019-3-28 11:04 编辑 54m3 45.9吨/小时
Reply #82019-03-28
1、54 2、45.9

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