Process Design: 【One Question per Day】2010-12-08 (Wednesday)
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Multiple-choice question: When the quality of the water supplied is poor (i.e., it contains solids), a filter should be installed in front of the safety eyewash station; what mesh size should the filter screen have? A. 50 B. 80 C. 120 D. 150 Note: ]. i; o, @5 K% G9 d4 ~ O, {5 E 1) The top 50 participants will definitely receive a reward ； : C d7 e$ y+ f 2) Please hide your replies; the method for doing this is: http://bbs.hcbbs.com/thread-492556-1-1.html. Do not edit the replies after posting them. 3 N4 m* N( z; E 3) – the answer will be visible after responding. Answer: B. Refer to HG/T 20570-95
Third, in the middle, to ensure filtration while preventing clogging. .
This post was last edited by Litaotao1314 on 2010-12-8 09:51. HG/T 20570.14-95 – Specifications for the installation of personal protection emergency systems; Grade B, 80 mesh
When the quality of the water supplied is poor (i.e., it contains solids), a filter should be installed in front of the safety eyewash station, with a filter mesh of (80) mesh.