Petroleum Refinery Engineering Tetraethyl lead is added to the petrol to increase its octane number, because its octane number is More than 100 Between 50 and 100 Less than 25 Round about 100 More than 100 Between 50 and 100 Less than 25 Round about 100 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering In solutizer sweetening process, solutizer solution used is Both A & B Naphthenic acid in Mercapsol process Neither A nor B Methanol in Unisol process Both A & B Naphthenic acid in Mercapsol process Neither A nor B Methanol in Unisol process ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Catalytic cracking compared to thermal cracking of residue of vacuum distillation of crude oil Higher sulphur content in the product Lower octane number of petrol Higher gum forming material in petrol Gives higher yield of petrol Higher sulphur content in the product Lower octane number of petrol Higher gum forming material in petrol Gives higher yield of petrol ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The pressure (kg/cm² ) and temperature (°C) maintained in electrical desalters for crude oil are respectively 10 and 300 10 and 120 50 and 250 1 and 200 10 and 300 10 and 120 50 and 250 1 and 200 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Pick out the wrong statement about the smoking tendency of various hydrocarbon constituents of kerosene. Smoking tendency of paraffins increases with decrease in its molecular weight Smoking tendency of hydrocarbons increases in the order : paraffins → isoparaffins → naphthenes → aromatics Smoking tendency of naphthenes decreases with its increasing molecular weight & also on addition of double bond Smoking tendency of aromatics decreases with increase in its molecular weight Smoking tendency of paraffins increases with decrease in its molecular weight Smoking tendency of hydrocarbons increases in the order : paraffins → isoparaffins → naphthenes → aromatics Smoking tendency of naphthenes decreases with its increasing molecular weight & also on addition of double bond Smoking tendency of aromatics decreases with increase in its molecular weight ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering 1 centistoke is equal to __________ Redwood I seconds. 0.408 4.08 1 40.8 0.408 4.08 1 40.8 ANSWER DOWNLOAD EXAMIANS APP
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