Petroleum Refinery Engineering __________ treatment is done for appreciable improvement in viscosity index of lubricating oil. Clay Acid Solvent extraction Alkali Clay Acid Solvent extraction Alkali ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Gasoline yield in catalytic reforming of naphtha may be about __________ percent by weight. 65 85 50 98 65 85 50 98 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Liquefied Petroleum Gas (LPG) in domestic use cylinders is in the liquid form. The density of LPG in liquid form is about __________ of that of water (i.e. 1 gm/c.c). One third One eighth Half One fourth One third One eighth Half One fourth ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following hydrocarbons of same carbon atoms has minimum smoking tendency? Paraffins Aromatics Naphthenes Iso-paraffins Paraffins Aromatics Naphthenes Iso-paraffins ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering During electrical desalting of crude oil, the electrical conductivity of a mixture of crude oil and water (which ranges between 3 to 8% water) __________ with increase in the amount of water. Increases Decreases Remains unchanged Decreases linearly Increases Decreases Remains unchanged Decreases linearly ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Presence of predominantly large quantity of aromatics (polynuclear) is not desirable in aviation fuel, because it has High self-ingnition temperature High pour point and low smoke point Low viscosity index All of these High self-ingnition temperature High pour point and low smoke point Low viscosity index All of these ANSWER DOWNLOAD EXAMIANS APP
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