Petroleum Refinery Engineering Crude petroleum oil is a __________ fuel. Primary Fossil Secondary Both A & B Primary Fossil Secondary Both A & B ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The catalytic cracking of heavier petroleum fraction is done to produce mainly Tar Diesel oil Gasoline Asphalt Tar Diesel oil Gasoline Asphalt 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 CnH2n is the general formula for Neither A nor B Olefins Both A & B Naphthenes Neither A nor B Olefins Both A & B Naphthenes ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Crude oil is subjected to vacuum distillation in the last stage, because 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 Lighter/low boiling products are prone to thermal decomposition ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Concentration of H₂SO₄ catalyst in alkyla-tion is kept between 90-98%, because H₂SO₄ having concentration Both A & B More than 98% promotes cracking Neither A nor B Less than 90% promotes polymerisation Both A & B More than 98% promotes cracking Neither A nor B Less than 90% promotes polymerisation ANSWER DOWNLOAD EXAMIANS APP
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