Petroleum Refinery Engineering Solvent used in the Udex (glycol) extraction process for removal of light aromatics from cracked naphtha is Diethylene glycol Propane Methyl ethyl ketone (MEK) Aqueous solution (10% water) of diethylene glycol Diethylene glycol Propane Methyl ethyl ketone (MEK) Aqueous solution (10% water) of diethylene glycol ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Diesel index.(an alternative index for expressing the quality of diesel) is Equal to cetane number plus 3 Determined by using a test engine All of these Not related to aniline point Equal to cetane number plus 3 Determined by using a test engine All of these Not related to aniline point ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Preheating temperature of medium viscosity furnace oil for better atomisation through burner is about __________ °C. 90 70 140 50 90 70 140 50 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering In solutizer sweetening process, solutizer solution used is Methanol in Unisol process Naphthenic acid in Mercapsol process Neither A nor B Both A & B Methanol in Unisol process Naphthenic acid in Mercapsol process Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Mercaptans is represented as (where R and R' are alkyl groups) R-S-R' R-S-R R-COOH R-S-H R-S-R' R-S-R R-COOH R-S-H ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following is a naphthene? Acetylene Cyclohexane Butadiene Butene Acetylene Cyclohexane Butadiene Butene ANSWER DOWNLOAD EXAMIANS APP