0% 0 Petroleum Refinery Engineering Quiz 5 1 / 50 The characterisation factor of a crude oil is calculated as 12.5. It means that; it is_________? Paraffinic None of these Naphthenic Intermediate 2 / 50 The average boiling point of aviation turbine fuel is closest to that of___________? LPG Lubricating oils Diesel Kerosene 3 / 50 Specific gravity of a petroleum product gives an indication of its __________? Ease of atomisation Hydrocarbon content type (aromatic or paraffinic) Sulphur content Degree of refinement 4 / 50 The coking process normally mostly used in Indian oil refineries is the ______ coking process ? Flexi Fluid Contact Delayed 5 / 50 Stabilisation of gasoline (petrol) means _____? Increasing its vapour pressure Increasing its oxidation stability Improving its lead susceptibility Removal of dissolved gases from it 6 / 50 The proper arrangement of the petroleum fractions in order of their boiling points is ___________ ? Petrol > diesel > LPG > lubricating oil Lubricating oil > petrol > diesel > LPG Lubricating oil > diesel > petrol > LPG Petrol > lubricating oil > diesel > LPG 7 / 50 The most suitable solvent for deasphalting vacuum residue is_______? Methyl ethyl ketone Doctor?s solution Propane Methanol amine 8 / 50 Solvent used in the deasphalting process is ________? Propane Furfural Hexane Phenol 9 / 50 The most widely used crude topping column in refineries is the _______ column? Bubble-cap Fluidised bed Perforated plate Packed bed 10 / 50 The general formula of naphthenes is_____? CnH2n-6 (where, n ? 6) Same as that for olefins i.e. CnH2n CnHn-4 CnH2n + 2 11 / 50 Smoke point of a good burning kerosene may be around ________ mm? 100-120 0-5 60-75 20-25 12 / 50 Solvent used in the Udex (glycol) extraction process for removal of light aromatics from cracked naphtha is__________? Aqueous solution (10% water) of diethylene glycol Methyl ethyl ketone (MEK) Diethylene glycol Propane 13 / 50 The colour of gasoline is an indication of its __________? None of these Octane number Gum forming tendency & thoroughness of refining Lead susceptibility 14 / 50 The most important property for a jet fuel is its_________? Freezing point Calorific value Viscosity Flash point 15 / 50 The main use of heavy gas oil produced by the vacuum distillation unit is as a_______? Blending component for kerosene None of these Feedstock for fluid catalytic cracking unit Blending component for petrol 16 / 50 Sweetening of petroleum product means the removal of ________? Sulphur & its compounds Wax Water Organic impurities 17 / 50 Sour crude means the _________ bearing crude? Nitrogen compounds Sulphur compounds Asphalt Wax 18 / 50 The conductivity of crude oil-water mixture depends on the___________? pH value All A., B. and C. Temperature Water percentage 19 / 50 The order of preference for feedstock to a catalytic reformer is __________ ? Coking naphtha ? virgin naphtha ? catalytic naphtha Virgin naphtha ? coking naphtha ? catalytic naphtha Catalytic naphtha ? coking naphtha ? virgin naphtha Virgin naphtha ? catalytic naphtha ? coking naphtha 20 / 50 Tanks used for the storage of petroleum products (which are inflammable) should be painted with a _______ paint? White Red Yellow Black 21 / 50 Smoke point of a test sample of kerosene is found to be 15 mm. On removal of _________ from it, the smoke point rises to 25 mm? None of these Aromatics Olefins n-paraffins 22 / 50 Smoke point of kerosene expresses its___________? Burning characteristics Aromatic content directly Lamp wick wetting characteristics Luminosity characteristics 23 / 50 Tetraethyl lead is added to the petrol to increase its octane number, because its octane number is _________? More than 100 Between 50 and 100 Less than 25 Round about 100 24 / 50 Solution used in Doctor?s treatment for the removal of mercaptans is__________? Cupric chloride Potassium isobutyrate Sodium hydroxide Sodium plumbite 25 / 50 Salt content (measured as sodium chloride) in electrically desalted crude oil comes down to a level of about ___________ ptb (pounds per thousand barrel) ? 3 70 0.03 35 26 / 50 Solvent used in Edeleanu process is___________? Propane Furfural Liquid SO2 Phenol 27 / 50 Sulphur content in lighter and heavier petroleum products is generally determined respectively by ________? Quartz tube method and lamp method Lamp method and bomb method Bomb method and lamp method Bomb method and quartz tube method 28 / 50 The characterisation factor of crude petroleum oil is around___________? 3 22 28 11 29 / 50 Solvent used in duo-sol extraction for lube oil upgradation is a mixture of_______? Propane & phenol-cresol mixture Phenol & furfural Methyl ethyl ketone & glycol Propane & liquid sulphur dioxide 30 / 50 The catalytic cracking of heavier petroleum fraction is done to produce mainly______? Asphalt Diesel oil Gasoline Tar 31 / 50 The main purpose of recycling the byproduct hydrogen gas in the reformer reactor is to ______? Sustain the reactor pressure Obviate catalyst poisoning Hydrogenate the feed stock Maintain the reaction temperature 32 / 50 Straight run naphtha is converted into high octane number petrol (gasoline) by catalytic______? Isomerisation Polymerisation Reforming Cracking 33 / 50 The reservoir rock containing petroleum has__________? Both B. and C. High permeability Low porosity High porosity 34 / 50 Tetra-ethyl lead is added in gasoline to ________? Increase its octane number Reduce the pour point Increase its smoke point Reduce gum formation 35 / 50 Smoke volatility index is equal to smoke point plus________? 0.42 ? (% distilled at 204?C) 0.84 ? (% distilled at 204?C) 5 mm 10 mm approximately 36 / 50 Solvent deoiling process is used for separating oil and soft wax from hard wax. Methyl isobutyl ketone and methyl ethyl ketone (MEK) are two commonly used deoiling solvents. Use of former as the deoiling solvent has the advantages of the______? All A., B. & C. Elimination of solvent drying facility Lower solvent dilution ratio Higher nitration temperature 37 / 50 Road grade bitumen is produced from vacuum residue by its ______? Pyrolysis Hydrogenation Aeration Steam reforming 38 / 50 RIH stands for ________? Rest in hole Rip in hole Run in hole None of these Submitted by:?Sajjad Ali Tagar 39 / 50 The main reaction in reforming is the _______? Hydrocracking of paraffins Dehydrogenation of naphthenes Hydrogenation of naphthenes Saturation of olefins 40 / 50 The solvent used in Barisol dewaxing process is_______? Furfural Hexane Methyl ethyl ketone (MEK) Benzol and ethylene dichloride 41 / 50 The best method of determining sulphur in crude oil is by the ________ method? Bomb calorimeter Junkers calorimeter Dumas Kjeldahl 42 / 50 Testing of the knocking characteristics of petrofuels is done in a __________ engine ? Stirling Diesel Carnot CFR (Co-operative fuel research) 43 / 50 Solvent used for dewaxing of petroleum products are______? Both B. & C. Propane Methyl ethyl ketone (MEK) Furfural 44 / 50 Smoke point of kerosene is the________? Maximum height of flame (in mm) without causing smoking, when burnt in a standard lamp None of these Time after which smoking starts on burning Temperature at which smoking starts 45 / 50 The condensate obtained on compression of wet natural gas is termed as___________? Liquefied natural gasoline None of these Natural gasoline Liquid natural gas 46 / 50 The pressure (kg/cm2) and temperature (?C) maintained in electrical desalters for crude oil are respectively___________? 10 and 120 1 and 200 10 and 300 50 and 250 47 / 50 Straight run petrol as compared to methyl/ethyl alcohol has__________? Higher ignition temperature Lower calorific value Higher specific gravity Lower octane number 48 / 50 The main aim of cracking is to produce ______? Petrolatum Coke Gasoline Lube oil 49 / 50 The most commonly used feed stock for the reforming reactor is _____? Residuum Heavy fuel oil Straight run gasoline Casing head gasoline 50 / 50 The octane number of aviation gasoline may be ___________? 79 97 > 100 87 Provide Your Information Your score is The average score is 0% LinkedIn Facebook Twitter 0% Restart quiz Send feedback Share on facebook Facebook Share on twitter Twitter Share on whatsapp WhatsApp PrevPetroleum Refinery Engineering Quiz 4 Petroleum Refinery Engineering Quiz 6Next
