One Question per Day on Refining Knowledge (Technology) 110207

Thread Content

We welcome everyone to actively participate in the learning and discussion of professional basic knowledge in the refinery processing technology exchange area! In accordance with the forum’s uniform requirements, the maximum score for this event is 5 Wealth points, and rating charm is prohibited. Friendship requests and duplicate ratings are also declined. Please be cautious when posting; edits will not be valid! Those who have different opinions on the provided answers can post discussions the next day, and those who provide solutions or their own views regarding the daily question will receive appropriate rewards! The focus is on participation, and there are prizes for participating! 1 The temperature parameter for low-temperature containers is ( ). o! J! U/ r. P6 r+ d1 o5 @" \ A、< 0℃ B、< -10℃ C、< -20℃ D、< -30℃$ D, \) v) t. V+ u* S6 m 2 What is the common fuel used in the heating furnaces of oil refineries? , A- D0 \# z% t/ R% R A. Gasoline B. Diesel C. Residue D. Refinery gas; l" @8 a" e' Z: 3 The distribution of sulfur in petroleum fractions generally ( ) as the boiling point of those fractions increases. A. Increase B. Decrease C. Remain unchanged D. None of the above 4. ( ) has the worst storage stability for gasoline. 3 I% ]- \0 r! c3 j* S A: Direct distillation; B: Thermal cracking; C: Coking; D: Catalytic processing. 2 ^! U; t7 ?" i+ r 5 As the temperature rises, the volume of oil products increases, and its density accordingly ( ). 2 r3 y' H; v/ ]& R& g$ A. Increase B. Decrease C. Remain unchanged D. None of the above Answer: C D A C B