【每日一题泵设备】填空判断题2019.6.20

2019-06-20View Original

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本帖最后由 3983596_FPPZ 于 2019-6-21 07:58 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、管路输送比重0.8的介质，要求流量340m3/h，平均流速3m/s，应选择标准管路直径为（）mm； 2、相同材质的标准M20x1.5螺纹，其抗拉强度要高于M20x2.5的螺纹。（）答案：1、200； 2、正确。

Reply #22019-06-20

本帖最后由 wsspz263 于 2019-6-20 12:20 编辑都答错了打扰了。。。

Reply #32019-06-20

1. DN200 2.错

Reply #42019-06-20

1、直径应为100mm 2、错

Reply #52019-06-20

1.DN200 2.正确

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【每日一题泵设备】填空判断题2019.6.20