Petroleum Refinery Engineering Dearomatisation of kerosene (by liquid sulphur dioxide extraction) is done to Improve its oxidation stability Increase its smoke point None of these Decrease the breathing loss Improve its oxidation stability Increase its smoke point None of these Decrease the breathing loss ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Refractive index of a petrofuel which is the ratio of velocity of light in air to its velocity in the petrofuel gives an indication if its Molecular weight Neither A nor B Both A & B Aromatics content Molecular weight Neither A nor B Both A & B Aromatics content ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Mercaptans are added to liquefied petroleum gas (LPG) to Increase its calorific value Reduce its cost Narrow down its explosion limit Assist in checking its leakage from cylinder Increase its calorific value Reduce its cost Narrow down its explosion limit Assist in checking its leakage from cylinder ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The general formula of naphthenes is CnH2n - 6 (where, n ≥ 6) Same as that for olefins i.e. CnH2n CnHn - 4 CnH2n + 2 CnH2n - 6 (where, n ≥ 6) Same as that for olefins i.e. CnH2n CnHn - 4 CnH2n + 2 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering For gasoline, the flash point ( Pensky-Marten's apparatus Saybolt chromometer Abel apparatus None of these Pensky-Marten's apparatus Saybolt chromometer Abel apparatus None of these ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Solvent used in duo-sol extraction for lube oil upgradation is a mixture of Phenol & furfural Methyl ethyl ketone & glycol Propane & phenol-cresol mixture Propane & liquid sulphur dioxide Phenol & furfural Methyl ethyl ketone & glycol Propane & phenol-cresol mixture Propane & liquid sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS