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单选题 对不可压缩滤饼进行恒速过滤,若过滤介质可忽略,当滤液体积从V增加至1.5V,操作压力将从△P增大至( )
学科：化工原理
时间：2024-06-25 05:47:22
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题目1单选题
一个边长为a 的正方形颗粒,其当量直径为( )A. aB. <img src="https://tihai-oss-cloud.itihey.com/img/916c7ecdf4999f4e7fe6804f80812d1e.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/9d2a78418e5bd9c17cdc453538e56459.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/7143da681600175922a1dd3aee7890a8.png">
题目2单选题
<img src="https://tihai-oss-cloud.itihey.com/img/8ce8ded4ff6a20c06a3dcd1b4eb564f9.jpg">A. <img src="https://tihai-oss-cloud.itihey.com/img/2c54a35e6d6391436925a2db129589d2.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/65f33afa3f5dfe4c0bb4405e5b5545a1.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/743878d72253adba2bfd4504743f4dea.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/1e43bd873fcfcfc78edfdda96deb1512.png">
题目3单选题
<img src="https://tihai-oss-cloud.itihey.com/img/0462ec3db4b89e31eb907ab9ba296ab6.jpg">A. 0.15B. 0.30C. 0.10D. 0.20
题目4单选题
含尘气体进入旋风分离器的切向进口气速为30m/s,气体在旋风分离器内的平均旋转半径为500mm,则分离因数为( )A. 183.5B. 0.183C. 6.11D. 18.35
题目5单选题
不可压缩滤饼是指( )A. 过滤过程中滤饼的流动阻力不变B. 过滤过程中滤饼的厚度不变C. 过滤过程中单位厚度滤饼层的流体阻力不变D. 过滤过程中颗粒可发生形变,但体积不变
题目6单选题
<img src="https://tihai-oss-cloud.itihey.com/img/c137b74d14cc62eb5b5dc56279b686eb.png">A. <img src="https://tihai-oss-cloud.itihey.com/img/bbfbd731591a0f8cc8548ce345d078d4.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/6acc8e1247044ae2b7a13d7dc9ea0f76.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/11d8b0284aba63a0f8c4ba597874b983.png">D. 两者关系不确定
题目7单选题
滤饼压缩性指数S的取值范围应该是( )A. S > 1B. S = 0~1C. S = 1~2D. S < 0
题目8单选题
对不可压缩滤饼进行恒压过滤,介质阻力可忽略时,若过滤θ时间后得滤液体积V,现将过滤时间增加一倍,所得滤液体积可增加( )A. <img src="https://tihai-oss-cloud.itihey.com/img/3a9309e9770290edcb68ab201e9eea4e.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/d3c34f010b09a45a25bd834d187b6a31.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/10bad37931f52884bdba7348e5c79344.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/47f0dbb7864a3565ab62d56e8d600b06.png">
题目9单选题
对不可压缩滤饼进行恒速过滤,若过滤介质可忽略,当滤液体积从V增加至1.5V,操作压力将从△P增大至( )A. 3△PB. 1.5△PC. 2△PD. 2.25△P
题目10单选题
<img src="https://tihai-oss-cloud.itihey.com/img/d9a00f8b338ce7c624296e44bb6e0795.jpg">A. <img src="https://tihai-oss-cloud.itihey.com/img/c91f2cdde8ff3c1637a9c10ef0bb2612.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/c054dec56a1398d7b197a7ef1fbf2e2d.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/111baa99d39eece521fdbd35488d4bbe.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/3a6256d007aeec61adcedc03b9d4a40d.png">
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