Petroleum Refinery Engineering Pour point of a petrofuel is Multiple of 3°F 5°C below the temperature at which oil ceases to flow None of these Multiple of 5°F Multiple of 3°F 5°C below the temperature at which oil ceases to flow None of these Multiple of 5°F ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Asphalts are . Low molecular weight & low boiling point compounds present in petroleum All of these Readily oxidisable and form carbonaceous sludge Desirable in catalytic cracking feedstock, because they produce coke . Low molecular weight & low boiling point compounds present in petroleum All of these Readily oxidisable and form carbonaceous sludge Desirable in catalytic cracking feedstock, because they produce coke ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following gasolines (unleaded) has the least octane number? Straight run gasoline Catalytically cracked gasoline Catalytically reformed gasoline Polymer gasoline Straight run gasoline Catalytically cracked gasoline Catalytically reformed gasoline Polymer gasoline ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following reactions is undesirable in the production of catalytically reformed gasoline? Dehydrocyclisation of higher paraffins Isomerisation of paraffins Dehydrogenation of lower paraffins Dehydrogenation of naphthene Dehydrocyclisation of higher paraffins Isomerisation of paraffins Dehydrogenation of lower paraffins Dehydrogenation of naphthene ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Good quality kerosene should have High aromatics content Low paraffins content Low smoke point High smoke point High aromatics content Low paraffins content Low smoke point High smoke point ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering With increase in the molecular weight of aromatic present in kerosene, its smoking tendency Is unpredictable Decreases Remains same Increases Is unpredictable Decreases Remains same Increases ANSWER DOWNLOAD EXAMIANS APP