Petroleum Refinery Engineering Hydrofining is the most recent and effective method for the Improvement of viscosity index Removal of sulphur Reduction of breathing loss Improvement of smoke point Improvement of viscosity index Removal of sulphur Reduction of breathing loss Improvement of smoke point ANSWER DOWNLOAD EXAMIANS APP
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. 10000 5000 1 50 10000 5000 1 50 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following is desirable in petrol (gasoline) but undesirable in kerosene? Aromatics Mercaptans Naphthenic acid Paraffins Aromatics Mercaptans Naphthenic acid Paraffins ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Pick out the correct statement about catalytic polymerisation. In H₂SO₄ polymerisation, H₃PO₄ is always used with 2% steam to prevent meta & ortho H₃PO₄ formation, which are inactive H₂SO₄ polymerisation process gives gasoline rich in unsaturates Neither A nor B Both A & B In H₂SO₄ polymerisation, H₃PO₄ is always used with 2% steam to prevent meta & ortho H₃PO₄ formation, which are inactive H₂SO₄ polymerisation process gives gasoline rich in unsaturates Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following theories of origin of petroleum does not explain the presence of nitrogen & sulphur compounds in crude oil? Carbide theory Engler theory All of these Modern theory Carbide theory Engler theory All of these Modern theory ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The general formula of naphthenes is CnH2n + 2 CnHn - 4 Same as that for olefins i.e. CnH2n CnH2n - 6 (where, n ≥ 6) CnH2n + 2 CnHn - 4 Same as that for olefins i.e. CnH2n CnH2n - 6 (where, n ≥ 6) ANSWER DOWNLOAD EXAMIANS APP
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