Piping and Valves Knowledge: [Daily Question] 2011-02-22
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This post was last edited by security on 2011-2-23 at 11:15. Multiple-choice question: When using asbestos cement and expanded cement as joint materials, the filling depth should be ( ) of the joint depth. A、1/2-2/3 B、1/3-1/2 C、50%-66.67% D、33.3%-50% 1) All participants will receive a reward (usually 5 points for correct answers, 3 points for incorrect ones, 1 point for those without hidden answers; additional points may be given to those who provide detailed discussions)； 2) Please hide your replies. Method to hide them: http://bbs.hcbbs.com/thread-492556-1-1.html ； 3) Do not edit after replying ； 4) This question will be closed the next day or when the new “Question of the Day” is posted ； 5) Answer: AC, see GB 50235
Reply to 1# superkiller0305 a
Reply 1# superkiller0305 D
Reply 1# superkiller0305 A