Petroleum Refinery Engineering

Which of the following hydrocarbons of same carbon atoms has minimum smoking tendency ? A. Paraffins B. Naphthenes C. Aromatics D. Iso-paraffins

_____________ determination is not a very significant and important test for gasoline? A. Gum & sulphur contentB. Viscosity C. Octane number D. Reid vapor pressure

Natural gasoline is produced___________________? A. From oil wells B. In oil refineriesC. By natural gas stripg D. None of these

95% (by volume) of LPG at 760 mm Hg pressure will evaporate at __________ °C? A. 2 B. -40 C. 30 D. 55

Which is the most undesirable component in kerosene ? A. Aromatics B. i-paraffins C. n-paraffins D. Naphthenes

Aniline point of the diesel is a measure of its ______________ content? A. AromaticB. Paraffin C. Olefin D. Naphthene

Which of the following has the highest gum forming tendency in gosoline ? A. ParaffinsB. Diolefins C. Aromatics D. Naphthenes

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

Which of the following has the maximum °API gravity of all ? A. Diesel B. KeroseneC. Petrol D. Furnace oil

Deoiling is the process of removal of oil from wax. It is done by the _______________ process? A. Solvent extraction B. Sweating C. ResettlingD. All A., B. & C.