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One Question per Day on Refining Knowledge (Technology) 110101

2011-01-01View Original

Thread Content

A new year has arrived. Wishing everyone success in their work this year, that all their hopes come true and that all their efforts are successful! 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. At the same time, friendship requests and repeated ratings are declined. Be careful 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 to the daily question will receive appropriate rewards! The focus is on participation, and there are prizes for participating! 1 Liquid hydrocarbon desulfurization belongs to ( ) process. A. Physics B. Physics and Chemistry C. Chemistry D. None of the above. 2. The 50% point of gasoline indicates its ( ) property. A. Evaporation performance B. Acceleration performance C. Hill climbing performance D. Starting performance 3. The calculation basis for material balance is ( ). A. Law of conservation of matter B. Law of conservation of energy C. Newton’s laws D. Henry’s law. 4. What is the suitable extinguishing agent for electrical fires? A. Carbon tetrachloride B. Dry powder C. Steam D. All of the above 5. What is the purpose of injecting gasoline into an anti-gelling agent? A. Increase octane rating B. Improve stability C. Reduce corrosivity D. Increase corrosivity Answer: CBABB
Reply #22011-01-01
1 Liquid hydrocarbon desulfurization belongs to (a) process. 8 Y \& M$ R2 Y" k% I0 t A. Physics; B. Physics and chemistry; C. Chemistry; D. None of the above. $ y M% f2 l8 m' U& H, M9 H2 The 50% point of gasoline indicates its (b) property. ' \/ B# L/ d, X% z4 {' W' {6 m; q A、Evaporation performance B、Acceleration performance C、Hill-climbing performance D、Starting performance / e2 u+ p. M) V$ e) B 3、The basis for calculating material balance is (b). 5 ?/ e0 t& c: Z2 A5 Q A. The law of conservation of matter; B. The law of conservation of energy; C. Newton’s laws; D. Henry’s law. k; X$ g G! k: v 4. The extinguishing agent that can be used for electrical fires is (a). # y$ q; V& S" b% M' Q: u A. Carbon tetrachloride B. Dry powder C. Steam D. All of the above$ B( Y* A# n5 u ~ 5 The function of injecting gasoline as an anti-gelling agent is (b). 1 x1 a8 X, G$ f A: B – Increase octane rating; C – Improve stability; D – Reduce corrosivity. ~8 V6 b! w D8 \* {: O3 v
Reply #32011-01-01
Reply to 1# Light as a Swallow: 1.A 2.B 3.A 4.B 5.B
Reply #42011-01-01
Answer; C, A, A, A, B
Reply #52011-01-01
Reply 1# Light as a swallow CBBBB
Reply #62011-01-01
Reply 1# Light as a swallow CABBB

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