Petroleum Refinery Engineering Absolute vapor pressure of petrofuels is found by Reid bomb which is heated in water bath to 100°F. In Reid apparatus, the ratio of the volume of air chamber to that of the liquid fuel chamber is 3 2 1 4 3 2 1 4 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering H/C ratio (by weight) for the same number of carbon atoms is the highest in case of Aromatics Paraffins Naphthenes Olefins Aromatics Paraffins Naphthenes Olefins ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Operating temperature and pressure in catalytic reforming is about 5-10 kgf/cm² & 150 - 250°C 1-5 Kgf/cm² & 200°C 15-45 Kgf/cm² & 450-550°C 50 - 75 kgf/cm² & 600 - 800°C 5-10 kgf/cm² & 150 - 250°C 1-5 Kgf/cm² & 200°C 15-45 Kgf/cm² & 450-550°C 50 - 75 kgf/cm² & 600 - 800°C ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering In case of liquid petrofuels, momentary combustion is observed at its Flash point Flame temperature Fire point Preheating temperature corresponding to viscosity of 25 centistokes Flash point Flame temperature Fire point Preheating temperature corresponding to viscosity of 25 centistokes ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Tetraethyl lead is added to the petrol to increase its octane number, because its octane number is Round about 100 Less than 25 More than 100 Between 50 and 100 Round about 100 Less than 25 More than 100 Between 50 and 100 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Illuminating characteristics of kerosene is expressed by its Luminosity number Aniline point Smoke point Aromatic content Luminosity number Aniline point Smoke point Aromatic content ANSWER DOWNLOAD EXAMIANS APP