Petroleum Refinery Engineering Waxes present in petroleum products Decrease their viscosity Are not soluble in them Crystallise out at low temperature Can be separated out by distillation Decrease their viscosity Are not soluble in them Crystallise out at low temperature Can be separated out by distillation ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The characterisation factor of a crude oil is calculated as 12.5. It means that; it is Paraffinic None of these Naphthenic Intermediate Paraffinic None of these Naphthenic Intermediate ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Breathing loss on storage of gasoline occurs due to the Neither A nor B Both A & B Presence of unsaturated air Fluctuation of ambient temperature during day and night Neither A nor B Both A & B Presence of unsaturated air Fluctuation of ambient temperature during day and night ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Olefins are Unsaturated cyclic compounds (hydrocarbons) Present in substantially good quantity in crude petroleum Saturated hydrocarbons None of these Unsaturated cyclic compounds (hydrocarbons) Present in substantially good quantity in crude petroleum Saturated hydrocarbons None of these ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Solvent used in duo-sol extraction for lube oil upgradation is a mixture of Propane & phenol-cresol mixture Methyl ethyl ketone & glycol Propane & liquid sulphur dioxide Phenol & furfural Propane & phenol-cresol mixture Methyl ethyl ketone & glycol Propane & liquid sulphur dioxide Phenol & furfural ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Water separometer index (modified) (WSIM) of a petrofuel is the measure of its Emulsification tendency Water content Water absorbing capacity from atmosphere Water separation characteristics Emulsification tendency Water content Water absorbing capacity from atmosphere Water separation characteristics ANSWER DOWNLOAD EXAMIANS APP
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