Petroleum Refinery Engineering Mercaptans are Undesirable in petrol, as they reduce its octane number Low boiling sulphur compounds Added in LPG cylinders to detect gas leakage by its smell All of these Undesirable in petrol, as they reduce its octane number Low boiling sulphur compounds Added in LPG cylinders to detect gas leakage by its smell All of these ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Higher boiling fractions like atmospheric residue is distilled under vacuum at low temperature because at high temperature, there is a tendency of the predominance of Gum formation Coking Thermal cracking Discoloration Gum formation Coking Thermal cracking Discoloration ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Catalytic desulphurisation process used for sweetening of straight run gasoline and kerosene uses __________ as catalyst. Bauxite Activated clay Fuller's earth All of these Bauxite Activated clay Fuller's earth All of these ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The most widely used crude topping column in refineries is the __________ column. Fluidised bed Packed bed Bubble-cap Perforated plate Fluidised bed Packed bed Bubble-cap Perforated plate ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Paraffins are desirable in lubricating oil, as it has got high Pour point Viscosity index Viscosity Smoke point Pour point Viscosity index Viscosity Smoke point ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Carbon/hydrogen ratio (by weight) is maximum (out of following) for Kerosene Light gas oil Gasoline Heavy fuel oil Kerosene Light gas oil Gasoline Heavy fuel oil ANSWER DOWNLOAD EXAMIANS APP
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