Petroleum Refinery Engineering Smoke volatility index is equal to smoke point plus 10 mm. approximately 0.42 x(% distilled at 204°C) 0.84 x (% distilled at 204°C) 5 mm 10 mm. approximately 0.42 x(% distilled at 204°C) 0.84 x (% distilled at 204°C) 5 mm ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Pour point of a petrofuel is None of these Multiple of 5°F 5°C below the temperature at which oil ceases to flow Multiple of 3°F None of these Multiple of 5°F 5°C below the temperature at which oil ceases to flow Multiple of 3°F ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Catalytic cracking compared to thermal cracking of residue of vacuum distillation of crude oil Gives higher yield of petrol Higher gum forming material in petrol Lower octane number of petrol Higher sulphur content in the product Gives higher yield of petrol Higher gum forming material in petrol Lower octane number of petrol Higher sulphur content in the product ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Phenols are added in gasoline to Act as an antioxidant Increase its pour point Reduce its viscosity Improve the octane number Act as an antioxidant Increase its pour point Reduce its viscosity Improve the octane number ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Higher pressure in the reforming reactor Increases the rate of reaction Produces high octane number gasoline Increases coke formation None of these Increases the rate of reaction Produces high octane number gasoline Increases coke formation None of these ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Operating condition in the electrical dehydrators for crude oil is about 1 atm. & 110 °C 20 kgf/cm² & 110°C 50 atm. and 150°C 6.5 kgf/Cm² & 95°C 1 atm. & 110 °C 20 kgf/cm² & 110°C 50 atm. and 150°C 6.5 kgf/Cm² & 95°C ANSWER DOWNLOAD EXAMIANS APP
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