Petroleum Refinery Engineering Phenols are added in gasoline to Improve the octane number Act as an antioxidant Reduce its viscosity Increase its pour point Improve the octane number Act as an antioxidant Reduce its viscosity Increase its pour point ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering H/C ratio (by weight) for the same number of carbon atoms is the highest in case of Aromatics Paraffins Olefins Naphthenes Aromatics Paraffins Olefins Naphthenes ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Crude topping column operates at __________ pressure. Atmospheric 3 atm 10 atm Vacuum Atmospheric 3 atm 10 atm Vacuum ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Detergent is added as an additive in engine lubricating oil to Prevent rusting Keep contaminants in suspension Reduce deposit formation Increase oxidation stability Prevent rusting Keep contaminants in suspension Reduce deposit formation Increase oxidation stability ANSWER DOWNLOAD EXAMIANS APP
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 Flash point of atmospheric distillation residue is determined by __________ apparates. None of these Abel Cleveland (open cup type) Pensky-Martens (closed cup type) None of these Abel Cleveland (open cup type) Pensky-Martens (closed cup type) ANSWER DOWNLOAD EXAMIANS APP
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