Description : Pick out the wrong statement. (A) Higher temperature is employed in visbreaking than in thermal cracking (B) Pyrolysis is a mild thermal cracking process (C) Lead susceptibility of ... Operating pressure and temperature in thermal cracking process is more than that in catalytic cracking process
Last Answer : (A) Higher temperature is employed in visbreaking than in thermal cracking (B) Pyrolysis is a mild thermal cracking process
Description : Petroleum coke is commercially produced by the __________ process. (A) Hydrocracking (B) Visbreaking (C) Fluid catalytic cracking (D) Delayed coking
Last Answer : (D) Delayed coking
Description : Presence of free moisture in coal during its high temperature carbonisation (A) Reduces the coking time (B) Protects the volatile products from pyrolysis (cracking) in the presence of hot coke and hot oven walls (C) Increases the loss of fine coal dust from the ovens when charging (D) None of these
Last Answer : (B) Protects the volatile products from pyrolysis (cracking) in the presence of hot coke and hot oven walls
Description : Which of the following processes consumes hydrogen? (A) Fluid catalytic cracking (B) Visbreaking (C) Propane deasphalting (D) None of these
Last Answer : (A) Fluid catalytic cracking
Description : Which of the following processes is used for the production of petroleum coke? (A) Stabilisation (B) Visbreaking (C) Cracking (D) Reforming
Last Answer : (C) Cracking
Description : Pick out the wrong statement. (A) Percentage of ash in coke produced from medium coking coal is more than that in coal (B) The calorific value (kcal/Nm3 ) of coke oven gas reduces on ... plants in India at Talcher (Orissa) and Ramagundam (A.P) employ Kopper-Totzek process of coal gasification
Last Answer : (C) Ash is normally removed as 'fly-ash' in Kopper-Totzek process of coal gasification
Description : Commercially ethylene is produced from naphtha by (A) Catalytic cracking (B) Catalytic dehydrogenation (C) Pyrolysis (D) Hydrocracking
Last Answer : (D) Hydrocracking
Description : Higher boiling fractions like atmospheric residue is distilled under vacuum at low temperature because at high temperature, there is a tendency of the predominance of (A) Thermal cracking (B) Gum formation (C) Coking (D) Discoloration
Last Answer : (C) Coking
Description : 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
Last Answer : (A) Reforming
Description : Removal of light fractions from crude oil is called its (A) Sweetening (B) Dehydration (C) Stabilisation (D) Visbreaking
Last Answer : (C) Stabilisation
Description : Visbreaking process is used mainly for making (A) High cetane diesel (B) High octane gasoline (C) Fuel oil (D) Smoke free kerosene
Last Answer : (C) Fuel oil
Description : Fuel oil is subjected to visbreaking to reduce its (A) Pour point (B) Viscosity (C) Pressure drop on pumping (D) All (A), (B) and (C
Last Answer : (D) All (A), (B) and (C
Description : 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
Last Answer : (C) Produces fuel oil of lower viscosity
Description : Describe the following unit processes: (i) Pyrolysis (ii) Hydration (iii) Hydrogenation.
Last Answer : i)Pyrolysis: The decomposition of a compound by heat is called pyrolysis. Large alkane molecules are broken down to give lower molecular weight alkanes, alkenes and hydrogen. Eg: When ethane is heated to 500 ... Chemical Reaction for hydrogenation: CH2= CH2 + H2 → CH3-CH3 C6H6 + 3H2→C6H12
Description : Temperature during hydrogenation of oil should not be more than 200°C, otherwise it will result in (A) Pyrolysis of oil (B) Sintering of porous catalyst (C) Hydrogen embrittlement (D) All (A), (B) and (C)
Last Answer : (D) All (A), (B) and (C)
Description : The coking process normally mostly used in Indian oil refineries is the __________ coking process. (A) Delayed (B) Flexi (C) Fluid (D) Contact
Last Answer : (A) Delayed
Description : 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
Last Answer : (B) Vacuum residue
Description : Which of the following fuels is generally not used in thermal power plant boiler firing? (A) Furnace oil, light diesel oil and tar/PCM (B) Pulverised coking coal (C) Coal middling from washeries (D) B.F. gas, coke oven gas and L.D. converter gas
Last Answer : (B) Pulverised coking coal
Description : Pick out the wrong statement. (A) Indian coals on an average contain 25-30% ash as against 10-12% ash in imported coking coal (B) Ammonia is recovered in the form of ammonium sulphate in direct ... indicates poor caking properties of coal (D) Wash oil is used for scrubbing Benzol from coke oven gas
Last Answer : (C) A high swelling index number of coking coal indicates poor caking properties of coal
Description : . __________ is not an important refinery process for upgrading the quality of lubricating oil. (A) Deoiling (B) Solvent refining (C) Clay treatment (D) Hydro-treatment
Last Answer : (A) Deoiling
Description : In a refinery petroleum crude is fractionated into gas fraction, light ends, intermediate distillates, heavy distillates, residues and by products. The group of products including gas oil, diesel oil and ... the fraction (A) Heavy distillates (B) Intermediate distillates (C) Light ends (D) Residues
Last Answer : (A) Heavy distillates
Description : Vacuum maintained in the vacuum distillation column in oil refinery is in the range of about __________ mm Hg absolute. (A) 1 to 5 (B) 30 to 80
Last Answer : (B) 30 to 80
Description : The first crude oil refinery of India is located at (A) Naharkatiya (B) Digboi (C) Kochi (D) Madras
Last Answer : (B) Digboi
Description : Which of the following has the highest gross calorific value? (A) Blast furnace gas (B) Coke oven gas (C) Carburetted water gas (D) Oil refinery gas
Last Answer : (D) Oil refinery gas
Description : The main pollutant in waste water discharged from a petroleum refinery is oil (both in free and emulsified form). Free oil is removed by (A) Biological oxygen pond (B) Aerated lagoons (C) Trickling filters (D) Gravity separator having oil skimming devices
Last Answer : (D) Gravity separator having oil skimming devices
Description : When petroleum is refined it is subject to a number of processes including cracking. During the cracking process w) lighter hydrocarbons are combined to form heavier ones x) heavy hydrocarbons ... lighter hydrocarbons are separated by distillation z) oxygen is used to burn the heavier hydrocarbons
Last Answer : ANSWER: X -- HEAVY HYDROCARBONS ARE BROKEN UP INTO LIGHTER ONES
Description : Why is an oil refinery located either close to an oil field or in a coastal city ? Name one oil refinery in the private sector. -Geography
Last Answer : Oil refinery is located close to the oil fields so that crude oil can be brought to the refineries easily. Since two third of the petroleum is imported, the refineries are located near the coastal areas. Oil refinery in the private sector: Reliance Petroleum Ltd. in Jamnagar.
Description : Mention two products of an oil refinery. -SST 10th
Last Answer : Products of an oil refinery: (i) Lubricants (ii) Kerosene Oil refineries along the coast—Vishakhapatnam Oil refineries away from the coast—Bangigon.
Description : At which place is the oil refinery factory? -General Knowledge
Last Answer : answer:
Last Answer : : The Fuel Oil Refinery of Bangladesh is located in "Chittagong".
Description : Tatipaka Oil Refinery is located in the State of
Last Answer : Andhra Pradesh
Description : Oil refinery located near the of field is (a) Nunamati (b) Visakhapatnam (c) Mathura (d) Koyali
Last Answer : Ans: (a)
Description : Match the following: Places Industries A. Nepanagar 1. HMT factory B. Rishikesh 2. Oil Refinery C. Barauni 3. Newsprint D. Pinjore 4. Antibiotic factory A B C D (a) 1 2 3 4 (b) 3 4 2 1 (c) 2 3 1 4 (d) 4 1 2 3
Last Answer : Ans: (b)
Description : Which one of the following is presently the largest oil refinery of India? (1) Vadodara (IOC) (2) Mathura (IOC) (3) Vishakhapatnam (HPCL) (4) Mumbai (BPCL)
Last Answer : (1) Vadodara (IOC) Explanation: The Gujarat Refinery is an oil refinery located at Koyali (near Vadodara) in Gujarat, Western India. It is the largest refinery owned by Indian Oil Corporation.
Description : The first oil refinery in India was set up at – (1) Barauni (2) Vishakhapatnam (3) Digboi (4) Mumbai
Last Answer : (3) Digboi Explanation: Digboi in Tinsukia district of Assam has the distinction of having the oldest oil refinery of India and Asia as well. It was here that the first commercially viable well ... first modern refinery in India was built and commissioned in December 1901 by Assam Oil Company Ltd.
Description : Which one of the following petroleum refinery products has the lowest boiling point? (1) Kerosene (2) Gasoline (3) Diesel (4) Lubricating oil
Last Answer : (4) Lubricating oil Explanation: Lubricating oil is the most commonly used lubricant because of its wide range of possible applications. The two basic categories of lube oil are mineral and synthetic.
Description : Thermal pyrolysis of ethylene dichloride produces (A) Trichloroethylene (B) Vinyl chloride (C) Ethanol amine (D) Ethylene oxid
Last Answer : (B) Vinyl chloride
Description : Pyrolysis of kerosene or natural gasoline is done to produce mainly the (A) Olefins and aromatics (B) Lighter paraffins (C) Stabilised gasoline (D) Diesel
Last Answer : (A) Olefins and aromatic
Description : Road grade bitumen is produced from vacuum residue by its (A) Aeration (B) Pyrolysis (C) Hydrogenation (D) Steam reforming
Last Answer : (D) Steam reforming
Description : Radioactive solid nuclear wastes are disposed off by (A) High temperature incineration (B) Pathological incineration (C) Pyrolysis (D) Underground burial in concrete containers
Last Answer : (D) Underground burial in concrete containers
Description : Vinyl chloride (CH2 = CH.Cl) is produced by the thermal pyrolysis of ethylene dichloride at a pressure & temperature of (A) 4 kgf/cm2 & 500°C (B) 10 kgf/cm2 & 1000°C (C) 40 kg/cm2 & 200°C (D) 100 kgf/cm2 & 500°C
Last Answer : (A) 4 kgf/cm2 & 500°C
Description : Thermal pyrolysis of ethylene dichloride produces (A) Trichloroethylene (B) Vinyl chloride (C) Ethanol amine (D) Ethylene oxide
Description : The catalytic cracking of heavier petroleum fraction is done to produce mainly (A) Gasoline (B) Asphalt (C) Diesel oil (D) Tar
Last Answer : (C) Diesel oil
Description : The main use of heavy gas oil produced by the vacuum distillation unit is as a (A) Blending component for kerosene (B) Blending component for petrol (C) Feedstock for fluid catalytic cracking unit (D) None of these
Last Answer : (C) Feedstock for fluid catalytic cracking unit
Description : Catalytic cracking compared to thermal cracking of residue of vacuum distillation of crude oil (A) Gives higher yield of petrol (B) Lower octane number of petrol (C) Higher sulphur content in the product (D) Higher gum forming material in petro
Last Answer : (A) Gives higher yield of petrol
Description : Which of the following is the most widely used cracking process in oil refineries? (A) Dubbs process (B) T.C.C. moving bed process (C) Fluidised bed catalytic cracking process (D) Houdry's fixed bed process
Last Answer : (C) Fluidised bed catalytic cracking process
Description : . The main aim of cracking is to produce (A) Gasoline (B) Lube oil (C) Petrolatum (D) Coke
Last Answer : (A) Gasoline
Description : 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 ... with increase in the catalyst to oil ratio (D) All (A), (B) and (C)
Description : Laboratory gas is obtained by the cracking of (A) Gasoline (B) Diesel (C) Fuel oil (D) Kerosene
Last Answer : (D) Kerosene
Description : Ammonia synthesis gas is produced from fuel oil by (A) Steam reforming (B) Hydro-cracking (C) Partial oxidation (D) Hydrogenation
Last Answer : (C) Partial oxidation