The characterisation factor of a crude oil is calculated as 12.5. It means that; it is Intermediate Naphthenic None of these Paraffinic TRUE ANSWER : ? YOUR ANSWER : ?
__________ treatment is done for appreciable improvement in viscosity index of lubricating oil. Clay Alkali Acid Solvent extraction TRUE ANSWER : ? YOUR ANSWER : ?
Bottom product of atmospheric pressure crude oil distillation column is termed as Residuum Asphalt Reduced crude Heavy ends TRUE ANSWER : ? YOUR ANSWER : ?
Aniline point test of an oil qualitatively indicates the __________ content of an oil. Naphthene Paraffin Olefin Aromatic TRUE ANSWER : ? YOUR ANSWER : ?
Crude oil is pumped by a __________ pump. Reciprocating Screw Centrifugal Gear TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following hydrocarbons of same carbon atoms has minimum smoking tendency? Naphthenes Aromatics Paraffins Iso-paraffins TRUE ANSWER : ? YOUR ANSWER : ?
Maximum viscosity of tar/PCM/fuel oil for easy and efficient atomisation in conventional burner is __________ centistokes (or 100 Redwood I seconds). 50 5 25 100 TRUE ANSWER : ? YOUR ANSWER : ?
Presence of aromatics in Petrol increases its octane number Kerosene increases its smoke point Diesel increases its cetane number All of these TRUE ANSWER : ? YOUR ANSWER : ?
Vacuum maintained in the vacuum distillation column in oil refinery is in the range of about __________ mm Hg absolute. 450 to 500 30 to 80 250 to 350 1 to 5 TRUE ANSWER : ? YOUR ANSWER : ?
The most suitable solvent for deasphalting vacuum residue is Propane Methyl ethyl ketone Doctor's solution Methanol amine TRUE ANSWER : ? YOUR ANSWER : ?