Petroleum Refinery Engineering Antioxidants are added in petrol to Impart colour to it, for easy identification Prevent icing of the carburettor Prevent the lead build up in engines Minimise the gum formation Impart colour to it, for easy identification Prevent icing of the carburettor Prevent the lead build up in engines Minimise the gum formation ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following processes consumes hydrogen? Fluid catalytic cracking Propane deasphalting Visbreaking None of these Fluid catalytic cracking Propane deasphalting Visbreaking None of these ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The best method of determining sulphur in crude oil is by the __________ method. Bomb calorimeter Duma Junkar's calorimeter Kjeldah Bomb calorimeter Duma Junkar's calorimeter Kjeldah ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Solution used in Doctor's treatment for the removal of mercaptans is Sodium plumbite Cupric chloride Sodium hydroxide Potassium isobutyrate Sodium plumbite Cupric chloride Sodium hydroxide Potassium isobutyrate ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Concentration of H₂SO₄ catalyst in alkyla-tion is kept between 90-98%, because H₂SO₄ having concentration Neither A nor B Both A & B More than 98% promotes cracking Less than 90% promotes polymerisation Neither A nor B Both A & B More than 98% promotes cracking Less than 90% promotes polymerisation ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Smoke point of a good burning kerosene may be around __________ mm. 0-5 100-120 60-75 20-25 0-5 100-120 60-75 20-25 ANSWER DOWNLOAD EXAMIANS APP
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