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One Question per Day on Refining Knowledge (Technology) 110104

2011-01-04View Original

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We welcome everyone to actively participate in the learning and discussion of professional basic knowledge in the refining technology exchange area! & C3 is D- H7 v$ E8 ^# ~/ s* ^- \ In accordance with the forum’s uniform requirements, the maximum score for this activity is 5 Wealth points; giving scores based on charm is prohibited. Friendships and duplicate ratings are also declined. Please be cautious when posting; edits are invalid! Those who have different opinions on the provided answers can post discussions the next day, and those who provide solutions or their own opinions regarding the daily question will receive appropriate rewards! The focus is on participation, and there are prizes for it! 1 Low-temperature sulfur corrosion produces ( ). 9 b! q; _# S, v5 X: ~ A. Metal sulfides B. Metal sulfides and water C. Metal sulfides and hydrogen D. Sulfur oxides and hydrogen 2 W0 K6 E" }1 A) { 2 High-temperature sulfur corrosion refers to sulfur corrosion at temperatures above ( ) °C. A、200 B、230 C、250 D、2803 ^0 s+ x8 @6 S# @ 3 To prevent corrosion caused by high temperatures and sulfur, considerations are generally made from ( ). A. Temperature B. Pressure C. Material D. Flow rate 7 }8 F+ _$ G3 c, J4 z$ ^ 4 Sulfides in crude oil can form ( ) corrosion agents at high temperatures. A. S B. S-H2 C. RSH D. S-H2S-RSH 5. The induction period is the main method for evaluating gasoline ( ). 7 t( Y! K4 `: I0 L# s5 h/ M `# p A. Stability B. Volatility C. Anti-knock property D. Acceleration property. Answer key: C B C D A
Reply #22011-01-04
C.B.C.D.A,,,,,,,,,,,,,,,,,,,
Reply #32011-01-04
CBCDA............
Reply #42011-01-04
CBCDA............
Reply #52011-01-04
1 A 2 C 3 A 4 D 5 A
Reply #62011-01-04
Learn* a bit of C, B, C, C, A
Reply #72011-01-04
C, B, C, D, A
Reply #82011-01-04
Reply 1# chengkang BBCDA

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