Petroleum Refinery Engineering Which of the following constituents present in petroleum is responsible for ash formation? Oxygen compounds Organometallic compounds Nitrogen compounds Sulphur compounds Oxygen compounds Organometallic compounds Nitrogen compounds Sulphur compounds ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Smoke point of a test sample of kerosene is found to be 15 mm. On removal of __________ from it, the smoke point rises to 25 mm. Olefins Aromatics N-paraffins None of these Olefins Aromatics N-paraffins None of these ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering In case of liquid petrofuels, momentary combustion is observed at its Flash point Preheating temperature corresponding to viscosity of 25 centistokes Fire point Flame temperature Flash point Preheating temperature corresponding to viscosity of 25 centistokes Fire point Flame temperature ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Catalyst used in isomerisation process is AlCl3 H₃PO₄ H₂SO₄ HF AlCl3 H₃PO₄ H₂SO₄ HF 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 Thermal cracking Gum formation Coking Discoloration Thermal cracking Gum formation Coking Discoloration ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Pressure maintained in the high pressure primary tower of a three stage crude oil distillation system is about __________ kg/cm² . 6 3 12 1.5 6 3 12 1.5 ANSWER DOWNLOAD EXAMIANS APP
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