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1) Presence of sulphur in gasoline___________________? a. Leads to corrosion b. Increases lead susceptibility c. Decreases gum formation d. Helps during stabilisation
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2) Which of the following has the lowest viscosity (at a given temperature) of all ? a. Naphtha b. Kerosene c. Diesel d. Lube oil
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3) Operating temperature and pressure in catalytic reforming is about_____________? a. 1-5 Kgf/cm2 & 200°C b. 15-45 Kgf/cm2 & 450-550°C c. 50 – 75 kgf/cm2 & 600 – 800°C d. 5-10 kgf/cm2 & 150 – 250°C
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4) Name the endothermic reaction out of the following ? a. Catalytic cracking b. Hydrocracking c. Dehydrogeneration of Naphthene to produce aromatic d. Catalytic polymerisation
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5) Solvent used in duo-sol extraction for lube oil upgradation is a mixture of______________? a. Propane & phenol-cresol mixture b. Methyl ethyl ketone & glycol c. Phenol & furfural d. Propane & liquid sulphur dioxide
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6) Specific gravity of a petroleum product gives an indication of its _________________? a. Degree of refinement b. Hydrocarbon content type (aromatic or paraffinic) c. Ease of atomisation d. Sulphur content
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7) Crude petroleum oil is a _______________ fuel? a. Primary b. Fossil c. Both A. & B. d. Secondary
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8) In the atmospheric pressure crude distillation, the content of _____________ from lighter fraction to heavier ones? a. Sulphur increases b. Sulphur decreases c. Nitrogen decreases d. None of these
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9) Deoiling is the process of removal of oil from wax. It is done by the _______________ process? a. Solvent extraction b. Sweating c. Resettling d. All A., B. & C.
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10) Which of the following has the maximum °API gravity of all ? a. Diesel b. Kerosene c. Petrol d. Furnace oil
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11) Operating condition in the electrical dehydrators for crude oil is about____________________? a. 6.5 kgf/Cm2 & 95°C b. 1 atm. & 110 °C c. 20 kgf/cm2 & 110°C d. 50 atm. and 150°C
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12) Which of the following has the highest gum forming tendency in gosoline ? a. Paraffins b. Diolefins c. Aromatics d. Naphthenes
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13) Aniline point of the diesel is a measure of its ______________ content? a. Aromatic b. Paraffin c. Olefin d. Naphthene
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14) Which is the most undesirable component in kerosene ? a. Aromatics b. i-paraffins c. n-paraffins d. Naphthenes
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15) 95% (by volume) of LPG at 760 mm Hg pressure will evaporate at __________ °C? a. 2 b. -40 c. 30 d. 55
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16) Natural gasoline is produced___________________? a. From oil wells b. In oil refineries c. By natural gas stripping d. None of these
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17) _____________ determination is not a very significant and important test for gasoline? a. Gum & sulphur content b. Viscosity c. Octane number d. Reid vapor pressure
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18) Which of the following hydrocarbons of same carbon atoms has minimum smoking tendency ? a. Paraffins b. Naphthenes c. Aromatics d. Iso-paraffins
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19) Catalyst used in the isomerisation is_______________________? a. Aluminium chloride b. Alumina c. Nickel d. Phosphoric acid
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20) Crude oil is pumped by a _______________ pump? a. Gear b. Centrifugal c. Screw d. Reciprocating
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