. Reforming (A) Uses naphtha as feedstock (B) Does not much affect the molecular weight of the feed (C) Improves the quality & yield of gasoline (D) All (A), (B) and (C)

. Reforming
(A) Uses naphtha as feedstock
(B) Does not much affect the molecular weight of the feed
(C) Improves the quality & yield of gasoline
(D) All (A), (B) and (C)
by

1 Answer

Answer :

(D) All (A), (B) and (C)
by

Related questions

Gasoline yield in catalytic reforming of naphtha may be about __________ percent by weight. (A) 85 (B) 65 (C) 50 (D) 98

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Last Answer : (A) 85

Feed for reforming is generally (A) Naphtha or straight run gasoline (B) Reduced crude (C) Vacuum gas oil

Description : Feed for reforming is generally (A) Naphtha or straight run gasoline (B) Reduced crude (C) Vacuum gas oil

Last Answer : (A) Naphtha or straight run gasoline

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

Straight run naphtha is converted into high octane number petrol (gasoline) by catalytic (A) Cracking (B) Polymerisation (C) Reforming (D) Isomerisation

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Which of the following is the most suitable feed for platforming process (reforming)? (A) Olefinic hydrocarbon (B) Naphtha (C) Fuel oil (D) Atmospheric residue

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Feedstock for polymerisation is (A) Naphtha (B) Cracked gases rich in C2 & C4 olefins (C) Low boiling aromatics (D) None of these

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Pick out the wrong statement. (A) Lower boiling paraffins have higher octane number than higher paraffins (B) Dehydrogenation of naphthenes to aromatics is a desirable reaction in reforming process (C) The most ideal feedstock for thermal reforming is dearomatised kerosene (D) Catalyst used in catalytic reforming is platinum on silica-alumina base

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Last Answer : (C) The most ideal feedstock for thermal reforming is dearomatised kerosene

Furfural solvent extraction is used for upgrading (by dissolving aromatics) (A) Naphtha (B) Lubricating oils (C) Wax (D) Cracking feedstock

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The order of preference for feedstock to a catalytic reformer is (A) Catalytic naphtha - coking naphtha - virgin naphtha (B) Coking naphtha - virgin naphtha - catalytic naphtha (C) Virgin naphtha - catalytic naphtha - coking naphtha (D) Virgin naphtha - coking naphtha - catalytic naphtha

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Last Answer : (B) Coking naphtha - virgin naphtha - catalytic naphtha

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

The most commonly used feed stock for the reforming reactor is (A) Heavy fuel oil (B) Residuum (C) Straight run gasoline (D) Casing head gasoline

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Last Answer : (C) Straight run gasoline

The molecular structure of the straight-run gasoline is changed by a) reforming b) refining c) cracking d) boiling

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Solvent naphtha' used mostly as a solvent in paints and perfumery is produced by the __________ of virgin naphtha into small boiling range cuts. (A) Steam reforming (B) Distillation (C) Desulphurisation (D) None of these

Description : Solvent naphtha' used mostly as a solvent in paints and perfumery is produced by the __________ of virgin naphtha into small boiling range cuts. (A) Steam reforming (B) Distillation (C) Desulphurisation (D) None of these

Last Answer : (B) Distillation

Which of the following oil gasification processes is non-catalytic? (A) Semet-Solvay process (B) Segas process (C) Onia-Gegi process (D) Steam reforming of naphtha

Description : Which of the following oil gasification processes is non-catalytic? (A) Semet-Solvay process (B) Segas process (C) Onia-Gegi process (D) Steam reforming of naphtha

Last Answer : (A) Semet-Solvay process

Optimum reaction temperature in steam reforming of naphtha is __________ °C. (A) 700 - 1000 (B) 300 - 450 (C) 1500-1700 (D) 100-200

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Last Answer : (A) 700 - 1000

Catalyst used in steam reforming of naphtha is (A) Bauxite (B) Cobalt (C) Nickel oxide on alumina support (D) Chromium

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Steam reforming of naphtha is a source of hydrogen production for nitrogenous fertiliser industry. What is the usual ratio of steam to carbon maintained in the process of steam reforming of naphtha? (A) 1.5 : 1 (B) 3.5 : 1 (C) 10 : 1 (D) 15 : 1

Description : Steam reforming of naphtha is a source of hydrogen production for nitrogenous fertiliser industry. What is the usual ratio of steam to carbon maintained in the process of steam reforming of naphtha? (A) 1.5 : 1 (B) 3.5 : 1 (C) 10 : 1 (D) 15 : 1

Last Answer : (B) 3.5 : 1

Which of the following is the costliest source of hydrogen needed for ammonia manufacture under Indian condition? (A) Electrolysis of water (B) Cryogenic removal of H2 from coke oven gas (C) Steam reforming of naphtha (D) Natural gas cracking

Description : Which of the following is the costliest source of hydrogen needed for ammonia manufacture under Indian condition? (A) Electrolysis of water (B) Cryogenic removal of H2 from coke oven gas (C) Steam reforming of naphtha (D) Natural gas cracking

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Commercial production of hydrogen for the manufacture of nitrogenous fertilisers is done by (A) Steam reforming of naphtha and cracking of natural gas (B) Electrolysis of water (C) Cryogenic separation of hydrogen from coke oven gas (D) All (A), (B) and (C)

Description : Commercial production of hydrogen for the manufacture of nitrogenous fertilisers is done by (A) Steam reforming of naphtha and cracking of natural gas (B) Electrolysis of water (C) Cryogenic separation of hydrogen from coke oven gas (D) All (A), (B) and (C)

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

Which of the following is the costliest method for commercial production of hydrogen for ammonia synthesis? (A) H2 separation from coke oven gas(B) Steam reforming of naphtha(C) Cracking of natural gas(D) Electrolysis of water

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Catalyst used in steam reforming of naphtha is (A) Nickel (B) Platinum (C) Silica gel (D) Rhodium

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Steam reforming of naphtha produces ammonia synthesis gas. This is a/an __________ process. (A) Autocatalytic (B) Endothermic (C) Exothermic (D) Non-catalytic

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Which of the following is not endothermic in nature? (A) Combustion of sulphur (B) Gasification of carbon (C) Thermal cracking of fuel oil (D) Steam reforming of naphtha

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Nickel is not used as a catalyst in the __________ reaction. (A) Shift conversion (B) Oil hydrogenation (C) Steaming reforming of naphtha (D) Ammonia cracking/dissociation

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Hydrogen gas is not produced commercially (for nitrogenous fertiliser manufacture) by (A) Iron-steam reaction (B) Electrolysis of water (C) Steam reforming of naphtha (D) Its cryogenic separation from coke oven gas

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Last Answer : (A) Iron-steam reaction

Which of the following is the costliest source of getting hydrogen on commercial scale for the manufacture of nitrogenous fertiliser? (A) Coal gasification (B) Steam reforming of naphtha (C) Electrolysis of water (D) Coke oven gas

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Which of the following has maximum hydrogen/carbon ratio (by weight)? (A) Naphtha (B) Gasoline (C) Diesel (D) Fuel oil

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Which one of the following processes aims at producing higher yield of gaseous unsaturated hydrocarbons and aromatics like benzene & toluene? (A) Reforming (B) Pyrolysis (C) Alkylation (D) Hydrocracking

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Aniline point is a property of the (A) Diesel (B) LPG (C) Naphtha (D) Gasoline

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Higher pressure in the reforming reactor (A) Increases coke formation (B) Increases the rate of reaction(C) Produces high octane number gasoline(D) None of these

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Which of the following fractions of petroleum contains maximum sulphur? (A) Diesel (B) Gasoline (C) Naphtha (D) Atmospheric residue

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Liquid hydrocarbons are converted to low molecular weight gaseous hydrocarbons by a process known as (a) hydrogenation (b) reforming (c) cracking (d) reduction

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Naphtha yield in straight run distillation of crude oil may be about__________ percent.(A) 2(B) 6(C) 12(D) 18

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Visbreaking (A) Uses natural gas as feed (B) Is carried out at atmospheric pressure (C) Produces fuel oil of lower viscosity (D) Produces gasoline only

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In cold working of metal as compared to its hot working (A) Cracks and blow holes are eliminated (B) Ductility and impact strength improves (C) Appreciable strain hardening is produced (D) Yield stress, hardness and fatigue strength is not at all affected

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Which of the following is not a commercially used feed-stock for the production of ammonia synthesis gas? (A) Water (B) Naphtha (C) Tar (D) Coal/coke oven gas

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Though increased pressure has a retarding effect on cracking reaction, yet in actual process, a positive pressure of 10-15 kgf/cm2 is maintained during cracking mainly to (A) Increase the yield of light distillates (B) Suppress coke formation (C) Enhance the octane number of gasoline (D) Reduce gum content in gasoline

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Choose the correct statement regarding thermal cracking. (A) Moderate changes in operating temperature does not change the depth of cracking (B) Increased residence time results in the decreased severity of cracking (C) At low pressure, the yield of lighter hydrocarbons are more (D) Greater depth of cracking gives lower octane number gasoline

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Pick out the correct statement pertaining to catalytic cracking. (A) With increase in the reactor pressure, octane number of gasoline decreases (B) With increase in the reactor temperature, gasoline yield decreases for a given conversion (C) Percentage conversion increases with increase in the catalyst to oil ratio (D) All (A), (B) and (C)

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Last Answer : (B) 15-45 Kgf/cm2 & 450-550°C

HBJ pipe line is being laid for a distance of 1730 km in order to (a) provide cooking gas for villages (b) provide employment for rural population (c) provide feedstock for six large fertilisers (d) serve the power requirements of many states

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Sometimes, batch process is preferred over continuous process, when the product (A) Quality & yield cannot be achieved in continuous processes, because of long residence time (B) Sales demand is fluctuating (C) Both (A) & (B) (D) Neither (A) nor (B)

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Assurance services involve all the following except: a. Improving the quality of information for decision purposes. b. Improving the quality of the decision model used. c. Improving the relevance of information. d. Implementing a system that improves the processing of information

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