One Question per Day on Refining Knowledge (Technology) 110221
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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 scoring based on charm is prohibited. Friendships and duplicate ratings are also declined. Be cautious when posting; editing is ineffective. Those who have different opinions on the provided answer keys can post discussions the next day; those who provide solutions or their own opinions regarding the answer key for the daily question will receive appropriate rewards! The focus is on participation, and there are rewards for participating. True or False question: 1. During normal operation, if the DCS screen goes black, cyclic processing should be carried out. ( ) @6 Y 2. The main principle for selecting the type of heating furnace is to take into account the properties of the fuel oil. ( ) 3. Blowing over the trays in a distillation column can cause the oil and gas inside the column to take a short circuit. （ ） 4. Heavy oil facilitates oil-water separation at low temperatures. ( ) {/ I 5. The corrosion of the pipelines in the convection chamber of the heating furnace is mainly dew point corrosion. ( ) Reference answer:××√×√
1. During normal production, if the DCS screen goes black, cyclic processing should be carried out. ( ) 6 ]/ \' j% }& y3 B @6 Y 5 A- p( L+ j; \& Z/ z$ |& Y# \9 _ 2. The main principle for selecting the type of heating furnace is to take into account the properties of the fuel oil. ( ) “W0 t3 d1 C2 o% y 3: Blowing over the trays in the distillation column can cause the oil and gas inside the column to take a short circuit. （ ） - @3 ?- x# @+ R# d1 `0 Yes Yes Yes Yes No
1. Wrong 2. Wrong 3. Right 4. Wrong 5. Right
1. During normal production, if the DCS screen goes black, cyclic processing should be carried out. (Wrong) + k! L- C3 `4 w4 u, ] @6 Y 5 N( S+ l: y" c' V 2. The main principle for selecting the type of heating furnace is to take into account the properties of the fuel oil. (Incorrect)! f% b+ m’ h4 g* V/ P8 _: _’ Z 3. Blowing over the trays in a distillation column can cause the oil and gas inside the column to take a short circuit. (Yes) ) x- \* Y% B& O- \6 ] 4. Heavy oil facilitates oil-water separation at low temperatures. (Incorrect), L( Q$ ]) q( Y: x{/ I , V9 r3 J% U2 ]) O 5. The corrosion of the pipelines in the convection chamber of the heating furnace is mainly dew point corrosion. (Correct)