Petroleum Refinery Engineering The general formula of naphthenes is CnHn - 4 CnH2n + 2 CnH2n - 6 (where, n ≥ 6) Same as that for olefins i.e. CnH2n CnHn - 4 CnH2n + 2 CnH2n - 6 (where, n ≥ 6) Same as that for olefins i.e. CnH2n ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Crude petroleum oil is a __________ fuel. Fossil Secondary Both A & B Primary Fossil Secondary Both A & B Primary 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 Lighter/low boiling products are prone to thermal decomposition High purity products can be obtained thereby None of these High boiling point products like heavy fuel oil & lubricating oils are heat sensitive and may decompose Lighter/low boiling products are prone to thermal decomposition High purity products can be obtained thereby ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Pick out the correct statement about catalytic polymerisation. Neither A nor B Both A & B In H₂SO₄ polymerisation, H₃PO₄ is always used with 2% steam to prevent meta & ortho H₃PO₄ formation, which are inactive H₂SO₄ polymerisation process gives gasoline rich in unsaturates Neither A nor B Both A & B In H₂SO₄ polymerisation, H₃PO₄ is always used with 2% steam to prevent meta & ortho H₃PO₄ formation, which are inactive H₂SO₄ polymerisation process gives gasoline rich in unsaturates ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Octane number of gasoline is a measure of its Ignition temperature Ignition delay Smoke point Resistance to knock Ignition temperature Ignition delay Smoke point Resistance to knock ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following is used as a catalyst in fluidised bed catalytic cracking? Silica-alumina Silica-magnesia Bentonite clays All of these Silica-alumina Silica-magnesia Bentonite clays All of these ANSWER DOWNLOAD EXAMIANS APP