Which of the following reactions is undesirable in the production of catalytically reformed gasoline? Dehydrocyclisation of higher paraffins Dehydrogenation of lower paraffins Dehydrogenation of naphthene Isomerisation of paraffins TRUE ANSWER : ? YOUR ANSWER : ?
Alkylation Causes olefins to combine with iso-paraffins Converts olefin into paraffin Converts iso-paraffin into olefin Causes olefins to combine with each other TRUE ANSWER : ? YOUR ANSWER : ?
Sour crude means the __________ bearing crude. Wax Sulphur compounds Asphalt Nitrogen compounds TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following gasolines (unleaded) has the least octane number? Straight run gasoline Catalytically reformed gasoline Catalytically cracked gasoline Polymer gasoline TRUE ANSWER : ? YOUR ANSWER : ?
Crude topping column operates at __________ pressure. 3 atm 10 atm Vacuum Atmospheric TRUE ANSWER : ? YOUR ANSWER : ?
Stabilisation of gasoline (petrol) means Increasing its oxidation stability Increasing its vapour pressure Removal of dissolved gases from it Improving its lead susceptibility TRUE ANSWER : ? YOUR ANSWER : ?
Crude petroleum oil is a __________ fuel. Secondary Fossil Both A & B Primary TRUE ANSWER : ? YOUR ANSWER : ?
Carbon/hydrogen ratio (by weight) is maximum (out of following) for Light gas oil Kerosene Gasoline Heavy fuel oil TRUE ANSWER : ? YOUR ANSWER : ?
Name the hydrocarbon having the poorest oxidation stability. Naphthene Olefin Aromatics Paraffin TRUE ANSWER : ? YOUR ANSWER : ?
Petroleum is believed to have originated from __________ sources. Both A & B Vegetable Animal Neither A nor B TRUE ANSWER : ? YOUR ANSWER : ?