Petroleum Refinery Engineering During electrical desalting of crude oil, the electrical conductivity of a mixture of crude oil and water (which ranges between 3 to 8% water) __________ with increase in the amount of water. Increases Decreases linearly Remains unchanged Decreases Increases Decreases linearly Remains unchanged Decreases ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Asphalts are All of these . Low molecular weight & low boiling point compounds present in petroleum Desirable in catalytic cracking feedstock, because they produce coke Readily oxidisable and form carbonaceous sludge All of these . Low molecular weight & low boiling point compounds present in petroleum Desirable in catalytic cracking feedstock, because they produce coke Readily oxidisable and form carbonaceous sludge ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The main aim of cracking is to produce Lube oil Petrolatum Coke Gasoline Lube oil Petrolatum Coke Gasoline ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Refractive index of a petrofuel which is the ratio of velocity of light in air to its velocity in the petrofuel gives an indication if its Aromatics content Neither A nor B Molecular weight Both A & B Aromatics content Neither A nor B Molecular weight Both A & B ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The main purpose of recycling the byproduct hydrogen gas in the reformer reactor is to Sustain the reactor pressure Maintain the reaction temperature Hydrogenate the feed stock Obviate catalyst poisoning Sustain the reactor pressure Maintain the reaction temperature Hydrogenate the feed stock Obviate catalyst poisoning ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Natural gas recovered along with crude oil from oil wells is called wet natural gas which has a higher __________ compared to the dry natural gas. Unsaturated hydrocarbon content Quantity of propane Quantity of butane Calorific value Unsaturated hydrocarbon content Quantity of propane Quantity of butane Calorific value ANSWER DOWNLOAD EXAMIANS APP