Petroleum Refinery Engineering The general formula of naphthenes is Same as that for olefins i.e. CnH2n CnH2n + 2 CnHn - 4 CnH2n - 6 (where, n ≥ 6) Same as that for olefins i.e. CnH2n CnH2n + 2 CnHn - 4 CnH2n - 6 (where, n ≥ 6) ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Crude topping column operates at __________ pressure. Vacuum Atmospheric 3 atm 10 atm Vacuum Atmospheric 3 atm 10 atm ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following has maximum hydrogen/carbon ratio (by weight)? Fuel oil Naphtha Gasoline Diesel Fuel oil Naphtha Gasoline Diesel ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Higher boiling fractions like atmospheric residue is distilled under vacuum at low temperature because at high temperature, there is a tendency of the predominance of Coking Thermal cracking Gum formation Discoloration Coking Thermal cracking Gum formation Discoloration ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Concentration of H₂SO₄ catalyst in alkyla-tion is kept between 90-98%, because H₂SO₄ having concentration Less than 90% promotes polymerisation Neither A nor B More than 98% promotes cracking Both A & B Less than 90% promotes polymerisation Neither A nor B More than 98% promotes cracking Both A & B ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering A good lubricant should have high Volatility Pour point Viscosity index None of these Volatility Pour point Viscosity index None of these ANSWER DOWNLOAD EXAMIANS APP
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