Petroleum Refinery Engineering Which of the following fractions of petroleum contains maximum sulphur? Diesel Naphtha Gasoline Atmospheric residue Diesel Naphtha Gasoline Atmospheric residue ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following is an additive used for improving the cetane number of diesel? Ethyl nitrate or acetone Tetraethyl lead None of these Tetramethyllead Ethyl nitrate or acetone Tetraethyl lead None of these Tetramethyllead ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Petroleum Is optically active Does not contain asphalt Does not contain aromatics Constitutes mainly of olefins Is optically active Does not contain asphalt Does not contain aromatics Constitutes mainly of olefins ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Penetration test determines the __________ of the grease. Variation in viscosity with temperature Service temperature Stiffness Lubricating properties (e.g. oilness) Variation in viscosity with temperature Service temperature Stiffness Lubricating properties (e.g. oilness) ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following hydrocarbons of same carbon atoms has minimum smoking tendency? Naphthenes Paraffins Iso-paraffins Aromatics Naphthenes Paraffins Iso-paraffins Aromatics ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Maximum viscosity of tar/PCM/fuel oil for easy and efficient atomisation in conventional burner is __________ centistokes (or 100 Redwood I seconds). 100 25 50 5 100 25 50 5 ANSWER DOWNLOAD EXAMIANS APP