Petroleum Refinery Engineering The main purpose of recycling the byproduct hydrogen gas in the reformer reactor is to Hydrogenate the feed stock Maintain the reaction temperature Sustain the reactor pressure Obviate catalyst poisoning Hydrogenate the feed stock Maintain the reaction temperature Sustain the reactor pressure Obviate catalyst poisoning ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Operating condition in the electrical dehydrators for crude oil is about 50 atm. and 150°C 20 kgf/cm² & 110°C 6.5 kgf/Cm² & 95°C 1 atm. & 110 °C 50 atm. and 150°C 20 kgf/cm² & 110°C 6.5 kgf/Cm² & 95°C 1 atm. & 110 °C ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Flash point of atmospheric distillation residue is determined by __________ apparates. Cleveland (open cup type) Pensky-Martens (closed cup type) Abel None of these Cleveland (open cup type) Pensky-Martens (closed cup type) Abel None of these ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Visbreaking Produces fuel oil of lower viscosity Uses natural gas as feed Is carried out at atmospheric pressure Produces gasoline only Produces fuel oil of lower viscosity Uses natural gas as feed Is carried out at atmospheric pressure Produces gasoline only ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Choose the correct statement regarding thermal cracking. Increased residence time results in the decreased severity of cracking At low pressure, the yield of lighter hydrocarbons are more Moderate changes in operating temperature does not change the depth of cracking Greater depth of cracking gives lower octane number gasoline Increased residence time results in the decreased severity of cracking At low pressure, the yield of lighter hydrocarbons are more Moderate changes in operating temperature does not change the depth of cracking Greater depth of cracking gives lower octane number gasoline ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Stabilisation of gasoline (petrol) means Removal of dissolved gases from it Increasing its oxidation stability Increasing its vapour pressure Improving its lead susceptibility Removal of dissolved gases from it Increasing its oxidation stability Increasing its vapour pressure Improving its lead susceptibility ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS