Petroleum Refinery Engineering Mercaptans are added to liquefied petroleum gas (LPG) to Assist in checking its leakage from cylinder Narrow down its explosion limit Increase its calorific value Reduce its cost Assist in checking its leakage from cylinder Narrow down its explosion limit Increase its calorific value Reduce its cost ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Viscosity index of a lubricating oil None of these Is the measure of variation of viscosity with temperature Should be low Is the measure of its flash point None of these Is the measure of variation of viscosity with temperature Should be low Is the measure of its flash point ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Penetration test determines the __________ of the grease. Variation in viscosity with temperature Service temperature Lubricating properties (e.g. oilness) Stiffness Variation in viscosity with temperature Service temperature Lubricating properties (e.g. oilness) Stiffness ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Tetraethyl lead is added to the petrol to increase its octane number, because its octane number is Less than 25 Between 50 and 100 More than 100 Round about 100 Less than 25 Between 50 and 100 More than 100 Round about 100 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Catalyst used in isomerisation process is HF AlCl3 H₂SO₄ H₃PO₄ HF AlCl3 H₂SO₄ H₃PO₄ ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The main reaction in reforming is the Hydrogenation of naphthenes Hydrocracking of paraffins Dehydrogenation of naphthenes Saturation of olefins Hydrogenation of naphthenes Hydrocracking of paraffins Dehydrogenation of naphthenes Saturation of olefins ANSWER DOWNLOAD EXAMIANS APP
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