Petroleum Refinery Engineering With increase in the molecular weight of aromatic present in kerosene, its smoking tendency Remains same Increases Is unpredictable Decreases Remains same Increases Is unpredictable Decreases ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Waxy crudes are treated with chemical additives mainly to Depress its pour point Remove wax Precipitate wax Dissolve wax Depress its pour point Remove wax Precipitate wax Dissolve wax ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Iso-octane is used as a reference substance in the definition of octane number and it is assigned an octane number value of 100. Iso-octance is chemically known as 1, 3 butadiene α-methyl naphthalene 2-2-4 tri methyl pentane Tetra methyl ethylene 1, 3 butadiene α-methyl naphthalene 2-2-4 tri methyl pentane Tetra methyl ethylene ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Tetra-ethyl lead is added in gasoline to Reduce gum formation Increase its octane number Reduce the pour point Increase its smoke point Reduce gum formation Increase its octane number Reduce the pour point Increase its smoke point ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Though increased pressure has a retarding effect on cracking reaction, yet in actual process, a positive pressure of 10-15 kgf/cm² is maintained during cracking mainly to Enhance the octane number of gasoline Increase the yield of light distillates Suppress coke formation Reduce gum content in gasoline Enhance the octane number of gasoline Increase the yield of light distillates Suppress coke formation Reduce gum content in gasoline ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Diesel index is defined as (°API) x (Aniline Point, °C)/100 (°API) x (Aniline Point, °F)/100 (°API) x (100)/Aniline Point, °C (°API) x (100)/Aniline Point, °F (°API) x (Aniline Point, °C)/100 (°API) x (Aniline Point, °F)/100 (°API) x (100)/Aniline Point, °C (°API) x (100)/Aniline Point, °F ANSWER DOWNLOAD EXAMIANS APP