Petroleum Refinery Engineering Pressure & temperature maintained in catalytic cracking is about 50atm. & 750°C 2atm & 500°C 30atm & 200°C 10atm & 500°C 50atm. & 750°C 2atm & 500°C 30atm & 200°C 10atm & 500°C ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering In case of liquid petrofuels, momentary combustion is observed at its Flame temperature Preheating temperature corresponding to viscosity of 25 centistokes Fire point Flash point Flame temperature Preheating temperature corresponding to viscosity of 25 centistokes Fire point Flash point ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Higher viscosity of lubricating oil usually signifies Higher acid number Higher flash point and fire point Lower flash point and fire point Lower Reid vapour pressure Higher acid number Higher flash point and fire point Lower flash point and fire point Lower Reid vapour pressure ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Smoke point of kerosene is the Time after which smoking starts on burning None of these Maximum height of flame (in mm) without causing smoking, when burnt in a standard lamp Temperature at which smoking starts Time after which smoking starts on burning None of these Maximum height of flame (in mm) without causing smoking, when burnt in a standard lamp Temperature at which smoking starts ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Hydrogen content in petroleum products varies from 12 to 15% (by weight). As a result the difference between gross and net heating value of petroleum fuels varies in the range of __________ kcal/kg. 2000-2500 600-750 250-350 1000-1500 2000-2500 600-750 250-350 1000-1500 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Flash point of diesel/kerosene (>50°C) is determined by the Saybolt chromometer Abel apparatus None of these Pensky-Martens apparatus Saybolt chromometer Abel apparatus None of these Pensky-Martens apparatus ANSWER DOWNLOAD EXAMIANS APP
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