In Hydrofining catalytic desulphurisation process for sweetening of petroleum products, use of hydrogen (A) Enhances the desulphurisation process (B) Minimises coke formation (C) Both (A) and (B) (D) Neither (A) nor (B

In Hydrofining catalytic desulphurisation process for sweetening of
petroleum products, use of hydrogen
(A) Enhances the desulphurisation process
(B) Minimises coke formation
(C) Both (A) and (B)
(D) Neither (A) nor (B
by

1 Answer

Answer :

(C) Both (A) and (B)
by

Related questions

Catalytic desulphurisation process used for sweetening of straight run gasoline and kerosene uses __________ as catalyst. (A) Bauxite (B) Fuller’s earth (C) Activated clay(D) All (A), (B) & (C)

Description : Catalytic desulphurisation process used for sweetening of straight run gasoline and kerosene uses __________ as catalyst. (A) Bauxite (B) Fuller’s earth (C) Activated clay (D) All (A), (B) & (C)

Last Answer : (D) All (A), (B) & (C)

Pick out the correct statement about catalytic polymerisation. (A) H2SO4 polymerisation process gives gasoline rich in unsaturates (B) In H2SO4 polymerisation, H3PO4 is always used with 2% steam to prevent meta & ortho H3PO4 formation, which are inactive (C) Both (A) and (B) (D) Neither (A) nor (B

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Last Answer : (B) In H2SO4 polymerisation, H3PO4 is always used with 2% steam to prevent meta & ortho H3PO4 formation, which are inactive

Doctor's solution used for sweetening of petroleum products is (A) Sodium plumbite (B) Sodium sulphite (C) Sodium thiosulphate (D) Lead sulphate

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Petroleum coke is commercially produced by the __________ process. (A) Hydrocracking (B) Visbreaking (C) Fluid catalytic cracking (D) Delayed coking

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Last Answer : (D) Delayed coking

Coke oven gas produced by high temperature carbonisation of coal (as compared to that produced by low temperature carbonisation), has (A) Higher calorific value (B) Lower hydrogen content (C) Both (A) and (B) (D) Neither (A) nor (B)

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Last Answer : (D) Neither (A) nor (B)

Asphalts are(A) Low molecular weight & low boiling point compounds present in petroleum (B) Desirable in catalytic cracking feedstock, because they produce coke (C) Readily oxidisable and form carbonaceous sludge (D) All (A), (B) & (C)

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Last Answer : (C) Readily oxidisable and form carbonaceous sludge

Choose the correct statement. (A) Coking tendency increases with increasing molecular weight (B) Coking tendency decreases with increasing molecular weight (C) Higher pressure enhances coke formation (D) Coking is an exothermic reaction

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Eutrophication of a water body enhances – (1) Organic matter production (2) Biological oxygen demand (3) Both (1) and (2) (4) Neither (1) nor (2)

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Eutrophication of a water body enhances (1) Organic matter production (2) Biological oxygen demand (3) Both (1) and (2) (4) Neither (1) nor (2)

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Last Answer :  Both (1) and (2) 

Sweetening of petroleum product means the removal of (A) Sulphur & its compounds (B) Water (C) Organic impurities (D) Wax

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Last Answer : (A) Sulphur & its compounds

In catalytic alkylation, higher iso-butane to olefin ratio gives (A) Low final boiling point product (B) Higher yield (C) Both (A) and (B) (D) Neither (A) nor (B

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Last Answer : (A) Low final boiling point product

Design of heterogamous catalytic reactor involves consideration of __________ steps. (A) Only chemical (B) Only physical (C) Both (A) & (B) (D) Neither (A) nor (B)

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Last Answer : (C) Both (A) & (B)

Multistage catalytic converter is not used in the (A) Conversion of SO2 to SO3 (B) NH3 synthesis reaction (C) Both (A) and (B) (D) Neither (A) nor (B)

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Clay treatment of petroleum products (A) Decolorizes & stabilises cracked gasoline (B) Desulphurise straight run gasoline & kerosene(C) Adsorb arsenic from feedstock to catalytic reforming(D) All (A), (B) & (C)

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Petroleum is believed to have originated from __________ sources. (A) Vegetable (B) Animal (C) Both (A) and (B) (D) Neither (A) nor (B)

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Last Answer : (C) Both (A) and (B)

Regenerators are installed in (A) Coke ovens (B) Open hearth furnace (C) Both (A) & (B) (D) Neither (A) nor (B)

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Last Answer : (C) Both (A) & (B)

Which is a regenerative furnace? (A) Coke oven heating chamber (B) Open hearth furnace (C) Both (A) and (B) (D) Neither (A) nor (B)

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Last Answer : (C) Both (A) and (B)

In a furnace operation, which is not preheated? (A) Solid fuels (B) Hydrocarbon containing fuel gases (e.g. coke oven gas, refinery gas etc.) (C) Both (A) and (B) (D) Neither (A) nor (B)

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Last Answer : (C) Both (A) and (B)

Prime coking coal is always blended with medium or non- coking coal before carbonisation (A) To check against its excessive swelling during heating, which may exert high pressure and damage coke oven walls (B) Because, it alone produces unreactive coke (C) Both (A) and (B) (D) Neither (A) nor (B)

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In petroleum refining, the process used for conversion of hydrocarbons to aromatics is (A) Catalytic cracking (B) Catalytic reforming (C) Hydrotreating (D) Alkylation

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Hydrofining is the most recent and effective method for the (A) Removal of sulphur (B) Improvement of smoke point (C) Reduction of breathing loss (D) Improvement of viscosity index

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In solutizer sweetening process, solutizer solution used is (A) Methanol in Unisol process (B) Naphthenic acid in Mercapsol process (C) Both (A) and (B)

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Last Answer : (C) Both (A) and (B)

Coke is made by heating coal in the absence of air at: A. 700 °C B. 1300 °C C. 900 °C D. 1700 °C ANSWER: Why are soft drinks made with chilled water rather than water at room temperature? A. Ingredients dissolve better in chilled water B. Chilled water enhances the taste C. Chilled water attracts more carbon dioxide D. Chilled water is more hygienic

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Last Answer : ANSWER: C

Which is the most ideal feed stock for 'coking' process used for the manufacture of petroleum coke? (A) Naphtha (B) Vacuum residue (C) Light gas oil (D) Diesel

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In sweetening process, solutizer agent used with caustic alkali is (A) Potassium isobutyrate(B) Sodium plumbite(C) Methanol(D) Phenol

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Use of grinding aids results in the (A) Enhanced production rate (B) Finer products (C) Both (A) & (B) (D) Neither (A) nor (B)

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The catalytic cracking of heavier petroleum fraction is done to produce mainly (A) Gasoline (B) Asphalt (C) Diesel oil (D) Tar

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The main function of a muffle in the muffle furnace is to (A) Protect the charge from the effects of the products of combustion (B) Smooth out temperature inequalities on the combustion side of the muffle wall (C) Both (A) & (B) (D) Neither (A) nor (B)

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For multiple reactions, the flow pattern within the vessel affects the (A) Size requirement (B) Distribution of reaction products (C) Both (A) and (B) (D) Neither (A) nor (B)

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Nicotine is(A) A volatile alkaloid (B) Obtained by treating by-products of the tobacco processing industry (C) Both (A) and (B) (D) Neither (A) nor (B)

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Hydrogen content in petroleum products varies from 12 to 15% (by weight). As a result the difference between gross and net heating value of petroleum fuels varies in the range of __________ kcal/kg. (A) 600-750 (B) 250-350 (C) 1000-1500 (D) 2000-2500

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Last Answer : (A) 600-750

With increase in the number of carbon and hydrogen atoms in hydrocarbon molecules, the density of petroleum products (A) Decreases (B) Increases (C) Remain same (D) Unpredictable from the data

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A channel strategy that limits availability of products to a few carefully selected outlets in a given market area is called ______________ 1. Selective channel 2. Intensive channel 3. Both 1 & 2 4. Neither 1 nor 2 5. None of these

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Niche Marketing refers to 1. a strategy that specializes in limited or unique product category 2. a strategy that specializes niche products 3. both 1 & 2 4. neither 1 nor 2 5. none of these

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Maximum use of petroleum coke is in (A) Adsorption refining operation (B) Fuel gas manufacture (C) Carbon electrode manufacture (D) Iron ore reduction

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Petroleum coke is used mainly in the (A) Discoloration of yellow glycerine (B) Sugar refining (C) Manufacture of carbon electrode (D) Blast furnace for reduction of iron ore

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Which of the following processes is used for the production of petroleum coke? (A) Stabilisation (B) Visbreaking (C) Cracking (D) Reforming

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Naphthalene is removed from coke oven gas by (A) Scrubbing with wash oil (a petroleum product) (B) Adsorbing on bog iron bed (C) Absorbing in vetro-coke solution (D) None of these

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Last Answer : (A) Scrubbing with wash oil (a petroleum product)

Which of the following coke has the least percentage of ash? (A) Petroleum coke (B) Beehive coke (C) Foundry coke (D) Metallurgical coke

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Last Answer : (A) Petroleum coke

Moist climate is the most favourable factor in the site selection far a (A) Steel plant (B) Textile factory (C) Petroleum refinery (D) Coke oven battery

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