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
Petroleum Refinery Engineering Which of the following has the highest gum forming tendency in gosoline? Aromatics Diolefins Paraffins Naphthenes Aromatics Diolefins Paraffins Naphthenes ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Preheating temperature of medium viscosity furnace oil for better atomisation through burner is about __________ °C. 90 140 70 50 90 140 70 50 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following is used as a catalyst in fluidised bed catalytic cracking? All of these Silica-alumina Bentonite clays Silica-magnesia All of these Silica-alumina Bentonite clays Silica-magnesia ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which one is used to determine the colour of petroleum products? Saybolt chromometer Cleveland apparatus None of these Colour comparator Saybolt chromometer Cleveland apparatus None of these Colour comparator ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Refractive index of a petrofuel which is the ratio of velocity of light in air to its velocity in the petrofuel gives an indication if its Both A & B Neither A nor B Aromatics content Molecular weight Both A & B Neither A nor B Aromatics content Molecular weight ANSWER DOWNLOAD EXAMIANS APP
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