Petroleum Refinery Engineering Higher viscosity of lubricating oil usually signifies Lower Reid vapour pressure Higher acid number Higher flash point and fire point Lower flash point and fire point Lower Reid vapour pressure Higher acid number Higher flash point and fire point Lower flash point and fire point ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Solvent used in the Udex (glycol) extraction process for removal of light aromatics from cracked naphtha is Propane Aqueous solution (10% water) of diethylene glycol Methyl ethyl ketone (MEK) Diethylene glycol Propane Aqueous solution (10% water) of diethylene glycol Methyl ethyl ketone (MEK) Diethylene glycol 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 Greater depth of cracking gives lower octane number gasoline Moderate changes in operating temperature does not change the depth of cracking Increased residence time results in the decreased severity of cracking At low pressure, the yield of lighter hydrocarbons are more Greater depth of cracking gives lower octane number gasoline Moderate changes in operating temperature does not change the depth of cracking ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Flash point of atmospheric distillation residue is determined by __________ apparates. Pensky-Martens (closed cup type) None of these Abel Cleveland (open cup type) Pensky-Martens (closed cup type) None of these Abel Cleveland (open cup type) ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Liquefied petroleum Gas (LPG) used for the household cooking comprises mainly of Butane & ethane Methane & carbon monoxide Methane & ethane Propane & butane Butane & ethane Methane & carbon monoxide Methane & ethane Propane & butane ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Straight run petrol as compared to methyl/ethyl alcohol has Lower calorific value Higher ignition temperature Higher specific gravity Lower octane number Lower calorific value Higher ignition temperature Higher specific gravity Lower octane number ANSWER DOWNLOAD EXAMIANS APP