Petroleum Refinery Engineering Concentration of H₂SO₄ catalyst in alkyla-tion is kept between 90-98%, because H₂SO₄ having concentration 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 Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Catalyst used in alkylation process is Alumina Sulphuric acid Nickel Silica gel Alumina Sulphuric acid Nickel Silica gel ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Mercaptans are added to liquefied petroleum gas (LPG) to Assist in checking its leakage from cylinder Reduce its cost Increase its calorific value Narrow down its explosion limit Assist in checking its leakage from cylinder Reduce its cost Increase its calorific value Narrow down its explosion limit ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Hydrofining is the most recent and effective method for the Improvement of smoke point Removal of sulphur Reduction of breathing loss Improvement of viscosity index Improvement of smoke point Removal of sulphur Reduction of breathing loss Improvement of viscosity index ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The yield of straight run LPG from crude oil is about __________ weight percent. 0.1-0.2 44119 20-25 1-1.5 0.1-0.2 44119 20-25 1-1.5 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering __________ is not an important refinery process for upgrading the quality of lubricating oil. Hydrotreatment Solvent refinning Deoiling Clay treatment Hydrotreatment Solvent refinning Deoiling Clay treatment ANSWER DOWNLOAD EXAMIANS APP
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