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某除尘系统采用两个型号相同的高效长锥体旋风除尘器串联运行.已知该除尘器进口处含尘浓度为5g/m3,进口粒径分布和分级效率如下,该除尘器的全效率为( ).粒径范围(μm)0~55~1010~2020~44>44粒径分布dφ1(%)2010152035分级效率(%)40799299.5100
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某除尘系统采用两个型号相同的高效长锥体旋风除尘器串联运行.已知该除尘器进口处含尘浓度为5g/m3,进口粒径分布和分级效率如下,该除尘器的全效率为( ).粒径范围(μm)0~55~1010~2020~44>44粒径分布dφ1(%)2010152035分级效率(%)40799299.5100
A、84.6%
B、88.1%
C、90.3%
D、95.1%
时间:2021-07-17 22:25
关键词:
建筑工程类
公用设备师
暖通空调
暖通工程师考试《专业知识》模拟练习题
答案解析
A
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