Petroleum Refinery Engineering Crude oil is subjected to vacuum distillation in the last stage, because High boiling point products like heavy fuel oil & lubricating oils are heat sensitive and may decompose Lighter/low boiling products are prone to thermal decomposition High purity products can be obtained thereby None of these High boiling point products like heavy fuel oil & lubricating oils are heat sensitive and may decompose Lighter/low boiling products are prone to thermal decomposition High purity products can be obtained thereby None of these ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Char value of Kerosene is the amount of charred oil deposition on the wick obtained after burning it in a standard wick lamp at a standard rate for 24 hours. Char value of a good quality kerosene should be less than __________ mg/kg of kerosene. 500 100 20 1 500 100 20 1 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following is the most widely used cracking process in oil refineries? Dubbs process Houdry's fixed bed process Fluidised bed catalytic cracking process T.C.C. moving bed process Dubbs process Houdry's fixed bed process Fluidised bed catalytic cracking process T.C.C. moving bed process ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering LPG when brought to atmospheric pressure & temperature will be a Gas lighter than air Gas heavier than air Liquid lighter than water Liquid heavier than water Gas lighter than air Gas heavier than air Liquid lighter than water Liquid heavier than water ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following fractions of a crude oil will have the maximum gravity API (i.e. °API) ? Vacuum gas oil Diesel Gasoline Atmospheric gas oil Vacuum gas oil Diesel Gasoline Atmospheric gas oil ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Solvent deoiling process is used for separating oil and soft wax from hard wax. Methyl iso-butyl ketone and methyl ethyl ketone (MEK) are two commonly used deoiling solvents. Use of former as the deoiling solvent has the advantages of the All of these Lower solvent dilution ratio Higher nitration temperature Elimination of solvent drying facility All of these Lower solvent dilution ratio Higher nitration temperature Elimination of solvent drying facility ANSWER DOWNLOAD EXAMIANS APP