Petroleum Refinery Engineering Concentration of H₂SO₄ catalyst in alkyla-tion is kept between 90-98%, because H₂SO₄ having concentration Less than 90% promotes polymerisation Both A & B More than 98% promotes cracking Neither A nor B Less than 90% promotes polymerisation Both A & B More than 98% promotes cracking Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Tetra-ethyl lead is added in gasoline to Increase its octane number Reduce the pour point Increase its smoke point Reduce gum formation Increase its octane number Reduce the pour point Increase its smoke point Reduce gum formation ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Methyl tertiary butyl ether (MTBE), a high octane (octane no. = 115) gasoline blending component is produced by the simple additive reaction of isobutylene with Ethane Methane Methyl alcohol Ethyl alcohol Ethane Methane Methyl alcohol Ethyl alcohol ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Octane number of gasoline is a measure of its Smoke point Ignition delay Resistance to knock Ignition temperature Smoke point Ignition delay Resistance to knock Ignition temperature ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which is an anticing compound? Amyl nitrate Mercaptans Alcohals Pyridine Amyl nitrate Mercaptans Alcohals Pyridine ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Feedstock for polymerisation is Naphtha Cracked gases rich in C₂ & C₄ olefins None of these Low boiling aromatics Naphtha Cracked gases rich in C₂ & C₄ olefins None of these Low boiling aromatics ANSWER DOWNLOAD EXAMIANS APP
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