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 Discoloration Coking Gum formation Thermal cracking Discoloration Coking Gum formation ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Road grade bitumen is produced from vacuum residue by its Pyrolysis Aeration Hydrogenation Steam reforming Pyrolysis Aeration Hydrogenation Steam reforming ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Hydrofining is the most recent and effective method for the Improvement of viscosity index Improvement of smoke point Removal of sulphur Reduction of breathing loss Improvement of viscosity index Improvement of smoke point Removal of sulphur Reduction of breathing loss ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Name the hydrocarbon having the poorest oxidation stability. Paraffin Olefin Aromatics Naphthene Paraffin Olefin Aromatics Naphthene ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering In case of liquid petrofuels, momentary combustion is observed at its Flash point Fire point Flame temperature Preheating temperature corresponding to viscosity of 25 centistokes Flash point Fire point Flame temperature Preheating temperature corresponding to viscosity of 25 centistokes ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following fractions of a crude oil will have the maximum gravity API (i.e. °API) ? Diesel Gasoline Vacuum gas oil Atmospheric gas oil Diesel Gasoline Vacuum gas oil Atmospheric gas oil ANSWER DOWNLOAD EXAMIANS APP
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