Petroleum Refinery Engineering Antioxidants are added in petrol to Impart colour to it, for easy identification Minimise the gum formation Prevent the lead build up in engines Prevent icing of the carburettor Impart colour to it, for easy identification Minimise the gum formation Prevent the lead build up in engines Prevent icing of the carburettor ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The best method of determining sulphur in crude oil is by the __________ method. Kjeldah Duma Junkar's calorimeter Bomb calorimeter Kjeldah Duma Junkar's calorimeter Bomb calorimeter ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which parameter is used for the grading of paraffin waxes? Specific gravity Penetration number Viscosity Melting point Specific gravity Penetration number Viscosity Melting point ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Iso-octane is used as a reference substance in the definition of octane number and it is assigned an octane number value of 100. Iso-octance is chemically known as α-methyl naphthalene 2-2-4 tri methyl pentane Tetra methyl ethylene 1, 3 butadiene α-methyl naphthalene 2-2-4 tri methyl pentane Tetra methyl ethylene 1, 3 butadiene ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Salt content (measured as sodium chloride) in electrically desalted crude oil comes down to a level of about __________ ptb (pounds per thousand barrel). 0.03 3 70 35 0.03 3 70 35 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Solvent used in duo-sol extraction for lube oil upgradation is a mixture of Propane & liquid sulphur dioxide Methyl ethyl ketone & glycol Propane & phenol-cresol mixture Phenol & furfural Propane & liquid sulphur dioxide Methyl ethyl ketone & glycol Propane & phenol-cresol mixture Phenol & furfural ANSWER DOWNLOAD EXAMIANS APP
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