Petroleum Refinery Engineering Catalytic cracking compared to thermal cracking of residue of vacuum distillation of crude oil Higher gum forming material in petrol Higher sulphur content in the product Gives higher yield of petrol Lower octane number of petrol Higher gum forming material in petrol Higher sulphur content in the product Gives higher yield of petrol Lower octane number of petrol ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Petrolatum is A mixture of microcrystalline wax in viscous hydrocarbon liquids Same as petroleum ether Petroleum coke None of these A mixture of microcrystalline wax in viscous hydrocarbon liquids Same as petroleum ether Petroleum coke None of these ANSWER DOWNLOAD EXAMIANS APP
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 In hydrofining catalytic desulphurisation process for sweetening of petroleum products, use of hydrogen Both A & B Neither A nor B Enhances the desulphurisation process Minimises coke formation Both A & B Neither A nor B Enhances the desulphurisation process Minimises coke formation ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following additives improves the cetane number of diesel? Ethyl mercaptan Tetra ethyl lead Amyl nitrate Napthenic acid Ethyl mercaptan Tetra ethyl lead Amyl nitrate Napthenic acid ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Older crude petroleum Is light and better All of these Gives less tar Gives more distillates Is light and better All of these Gives less tar Gives more distillates ANSWER DOWNLOAD EXAMIANS APP
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