Petroleum Refinery Engineering Pick out the undesirable property for a solvent meant for dewaxing of lube oil. Neither A nor B Both A & B Complete miscibility with oil High solubility of wax in the solvent Neither A nor B Both A & B Complete miscibility with oil High solubility of wax in the solvent ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Petrolatum is Same as petroleum ether A mixture of microcrystalline wax in viscous hydrocarbon liquids Petroleum coke None of these Same as petroleum ether A mixture of microcrystalline wax in viscous hydrocarbon liquids Petroleum coke None of these ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Clay treatment is used to remove Salt from the crude oil Wax from lube oil None of these Colour & dissolved gases from cracked gasoline Salt from the crude oil Wax from lube oil None of these Colour & dissolved gases from cracked gasoline ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering A multigrade lubricating oil means an oil having high Aniline point Viscosity Flash point Viscosity index Aniline point Viscosity Flash point Viscosity index ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which one is preferred for aircraft engine? High freezing point aviation fuel None of these Low viscosity index lube oil High viscosity index lube oil High freezing point aviation fuel None of these Low viscosity index lube oil High viscosity index lube oil ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Crude oil is subjected to vacuum distillation in the last stage, because Lighter/low boiling products are prone to thermal decomposition None of these High boiling point products like heavy fuel oil & lubricating oils are heat sensitive and may decompose High purity products can be obtained thereby Lighter/low boiling products are prone to thermal decomposition None of these High boiling point products like heavy fuel oil & lubricating oils are heat sensitive and may decompose High purity products can be obtained thereby ANSWER DOWNLOAD EXAMIANS APP
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