Petroleum Refinery Engineering Ethyl mercaptan is added to the Doctor negative LPG for facilitating the detection of its leakage (by bad odour) to the extent of about __________ ppm. 50 5000 1 10000 50 5000 1 10000 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Illuminating characteristics of kerosene is expressed by its Aniline point Aromatic content Smoke point Luminosity number Aniline point Aromatic content Smoke point Luminosity number ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Clay treatment of petroleum products Decolorises & stabilises cracked gasoline Desulphurise straight run gasoline & kerosene All of these Adsorb arsenic from feedstock to catalytic reforming Decolorises & stabilises cracked gasoline Desulphurise straight run gasoline & kerosene All of these Adsorb arsenic from feedstock to catalytic reforming ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Catalytic cracking compared to thermal cracking of residue of vacuum distillation of crude oil Lower octane number of petrol Gives higher yield of petrol Higher sulphur content in the product Higher gum forming material in petrol Lower octane number of petrol Gives higher yield of petrol Higher sulphur content in the product Higher gum forming material in petrol ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Isomerisation converts the __________ tot-paraffins. Paraffins Olefins Naphthenes None of these Paraffins Olefins Naphthenes None of these ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Crude oil is subjected to vacuum distillation in the last stage, because Lighter/low boiling products are prone to thermal decomposition High purity products can be obtained thereby High boiling point products like heavy fuel oil & lubricating oils are heat sensitive and may decompose None of these Lighter/low boiling products are prone to thermal decomposition High purity products can be obtained thereby High boiling point products like heavy fuel oil & lubricating oils are heat sensitive and may decompose None of these ANSWER DOWNLOAD EXAMIANS APP
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