[0902 Daily Question] ) Multiple-choice question (Day 7) (Prize for correct answer)
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1. For pressure atomizing oil nozzles, the steam pressure used is usually ( A ) A. 0.8---1.6 B. 0.5---0.7 C. 1.8---2.0 2. When selecting valves, it is necessary to take into account the pressure resistance of those valves under various operating conditions; the maximum pressure they can withstand is determined by ( A ) A. Nominal pressure. B. Test pressure. C. Operating pressure. Last edited by *anpangpang on 2009-2-7 14:58]
1. For pressure atomizing oil nozzles, the steam pressure used is usually (A) A. 0.8---1.6 B. 0.5---0.7 C. 1.8---2.0 2. When selecting valves, it is necessary to take into account the pressure resistance of those valves under various operating conditions; the maximum pressure they can withstand is determined by (B) A. Nominal pressure. B. Test pressure. C. Operating pressure.
My answer is: 1, (B)； 2. (B)
1. B.0.5---0.7 2. C. Working pressure.
My answer: 1) B； 2) B. :)
1 B 2 B Last edited by happyboy1814 on 2009-2-6 15:35 ]
My answer is: 1, A； 2，B。
1. For pressure atomizing oil nozzles, the steam pressure used is usually ( A ) A. 0.8---1.6 B. 0.5---0.7 C. 1.8---2.0 2. When selecting valves, it is necessary to take into account the pressure resistance of those valves under various operating conditions; the maximum pressure they can withstand is determined by ( A ) A. Nominal pressure. B. Test pressure. C. Operating pressure.
1. For pressure atomizing oil nozzles, the steam pressure used is usually ( A ) A. 0.8---1.6 B. 0.5---0.7 C. 1.8---2.0 2. When selecting valves, it is necessary to take into account the pressure resistance of those valves under various operating conditions; the maximum pressure they can withstand is determined by ( A ) A. Nominal pressure. B. Test pressure. C. Operating pressure.
My answer: 1, A； 2、A