Petroleum Refinery Engineering Highest quality bitumen is produced from the __________ crude oil. Paraffinic Naphthenic Intermediate Mixed Paraffinic Naphthenic Intermediate Mixed ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Mercaptans are Added in LPG cylinders to detect gas leakage by its smell Undesirable in petrol, as they reduce its octane number All of these Low boiling sulphur compounds Added in LPG cylinders to detect gas leakage by its smell Undesirable in petrol, as they reduce its octane number All of these Low boiling sulphur compounds ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Concentration of H₂SO₄ catalyst in alkyla-tion is kept between 90-98%, because H₂SO₄ having concentration Both A & B Less than 90% promotes polymerisation Neither A nor B More than 98% promotes cracking Both A & B Less than 90% promotes polymerisation Neither A nor B More than 98% promotes cracking ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following hydrocarbons of same carbon atoms has minimum smoking tendency? Naphthenes Aromatics Iso-paraffins Paraffins Naphthenes Aromatics Iso-paraffins Paraffins ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Gum formation in stored gasoline is mainly due to the Alkylation of unsaturates Higher aromatic content Oxidation & polymerisation of unsaturates Presence of sulphur Alkylation of unsaturates Higher aromatic content Oxidation & polymerisation of unsaturates Presence of sulphur ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The colour of gasoline is an indication of its None of these Lead susceptibility Octane number Gum forming tendency & thoroughness of refining None of these Lead susceptibility Octane number Gum forming tendency & thoroughness of refining ANSWER DOWNLOAD EXAMIANS APP
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