Petroleum Refinery Engineering Dearomatisation of kerosene (by liquid sulphur dioxide extraction) is done to Improve its oxidation stability Increase its smoke point None of these Decrease the breathing loss Improve its oxidation stability Increase its smoke point None of these Decrease the breathing loss ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Ethyl mercaptan is added to the Doctor negative LPG for facilitating the detection of its leakage (by bad odour) to the extent of about __________ ppm. 1 5000 50 10000 1 5000 50 10000 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Catalyst used in the catalytic cracking is Silica gel Nickel Silica-alumina Vanadium pentoxide Silica gel Nickel Silica-alumina Vanadium pentoxide ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Waxy crudes are treated with chemical additives mainly to Precipitate wax Depress its pour point Dissolve wax Remove wax Precipitate wax Depress its pour point Dissolve wax Remove wax ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Crude oil is transported inland from oil field to refineries, mainly by the Road tankers Underground pipelines None of these Rail tankers Road tankers Underground pipelines None of these Rail tankers ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering High aniline point of diesel indicates that, it Is highly paraffinic Has a large ignition delay Has a low diesel index Is highly aromatic Is highly paraffinic Has a large ignition delay Has a low diesel index Is highly aromatic ANSWER DOWNLOAD EXAMIANS APP
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