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 Less than 90% promotes polymerisation More than 98% promotes cracking Neither A nor B Both A & B Less than 90% promotes polymerisation More than 98% promotes cracking ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Liquefied Petroleum Gas (LPG) in domestic use cylinders is in the liquid form. The density of LPG in liquid form is about __________ of that of water (i.e. 1 gm/c.c). One fourth Half One third One eighth One fourth Half One third One eighth ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The general formula of naphthenes is CnHn - 4 Same as that for olefins i.e. CnH2n CnH2n + 2 CnH2n - 6 (where, n ≥ 6) CnHn - 4 Same as that for olefins i.e. CnH2n CnH2n + 2 CnH2n - 6 (where, n ≥ 6) ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Natural gas recovered along with crude oil from oil wells is called wet natural gas which has a higher __________ compared to the dry natural gas. Quantity of propane Calorific value Unsaturated hydrocarbon content Quantity of butane Quantity of propane Calorific value Unsaturated hydrocarbon content Quantity of butane ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Aniline point is the temperature at which Equal weight of diesel & the aniline are completely miscible Equal weight of aniline & the test sample are completely miscible Aniline vaporises Equal volume of aniline & the test sample are completely miscible Equal weight of diesel & the aniline are completely miscible Equal weight of aniline & the test sample are completely miscible Aniline vaporises Equal volume of aniline & the test sample are completely miscible ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following gasolines (unleaded) has the least octane number? Catalytically reformed gasoline Polymer gasoline Straight run gasoline Catalytically cracked gasoline Catalytically reformed gasoline Polymer gasoline Straight run gasoline Catalytically cracked gasoline ANSWER DOWNLOAD EXAMIANS APP
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