Petroleum Refinery Engineering Liquefied Petroleum Gas (LPG) in domestic use cylinders is in the liquid form. The density of LPG in liquid form is about __________ of that of water (i.e. 1 gm/c.c). Half One third One eighth One fourth Half One third One eighth One fourth 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 Choose the correct statement regarding thermal cracking. Greater depth of cracking gives lower octane number gasoline Moderate changes in operating temperature does not change the depth of cracking At low pressure, the yield of lighter hydrocarbons are more Increased residence time results in the decreased severity of cracking Greater depth of cracking gives lower octane number gasoline Moderate changes in operating temperature does not change the depth of cracking At low pressure, the yield of lighter hydrocarbons are more Increased residence time results in the decreased severity of cracking ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Smoke point of kerosene is the Temperature at which smoking starts Time after which smoking starts on burning Maximum height of flame (in mm) without causing smoking, when burnt in a standard lamp None of these Temperature at which smoking starts Time after which smoking starts on burning Maximum height of flame (in mm) without causing smoking, when burnt in a standard lamp None of these ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following categories of gasoline has the highest lead susceptibility? Polymer gasoline Catalytical cracked gasoline Straight run gasoline Platinum reformed gasoline Polymer gasoline Catalytical cracked gasoline Straight run gasoline Platinum reformed gasoline ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Reforming Uses naphtha as feedstock All of these Improves the quality & yield of gasoline Does not much affect the molecular weight of the feed Uses naphtha as feedstock All of these Improves the quality & yield of gasoline Does not much affect the molecular weight of the feed ANSWER DOWNLOAD EXAMIANS APP
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