Production Technology [Daily Question] Sunday, September 18, 2011
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The last edit to this post was made by Refinery Operator on 2011-9-19 06:50. Multiple-choice question: 1. The working pressure of the compressed air in the main gas supply pipeline of the instrument air supply system is generally required to be ( ) Mpa. A、0.1～0.2 B、0.3～0.4 C、0.5～0.6 D、0.7～0.82、（） affects the duration for which the UPS can operate in a fault condition. A. Battery capacity B. Number of batteries C. Load size D. All of the above Note: 1. Please hide your reply; see how to do this at: http://bbs.hcbbs.com/thread-492556-1-1.html. 2. Do not edit after replying. 3. There must be a reward for participants. 1、D 2、D
Reply 1# sun-rock 1, D2, D
Reply to 1# sun-rock: My choice is D for the first question and A for the second question
Reply to 1# sun-rock: Question 1: C; Question 2: Dabc