Petroleum Refinery Engineering Visbreaking Produces fuel oil of lower viscosity Is carried out at atmospheric pressure Uses natural gas as feed Produces gasoline only Produces fuel oil of lower viscosity Is carried out at atmospheric pressure Uses natural gas as feed Produces gasoline only ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Mercaptans is represented as (where R and R' are alkyl groups) R-S-R' R-S-R R-S-H R-COOH R-S-R' R-S-R R-S-H R-COOH ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering With increase in the number of carbon and hydrogen atoms in hydrocarbon molecules, the density of petroleum products Unpredictable from the data Increases Remains same Decreases Unpredictable from the data Increases Remains same Decreases ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Hydrogen percentage (by weight) in crude petroleum may be about 15 35 25 5 15 35 25 5 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Smoke point of kerosene is the Maximum height of flame (in mm) without causing smoking, when burnt in a standard lamp None of these Time after which smoking starts on burning Temperature at which smoking starts Maximum height of flame (in mm) without causing smoking, when burnt in a standard lamp None of these Time after which smoking starts on burning Temperature at which smoking starts ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Absolute vapor pressure of petrofuels is found by Reid bomb which is heated in water bath to 100°F. In Reid apparatus, the ratio of the volume of air chamber to that of the liquid fuel chamber is 1 4 3 2 1 4 3 2 ANSWER DOWNLOAD EXAMIANS APP