Petroleum Refinery Engineering Ethyl mercaptan is added to the Doctor negative LPG for facilitating the detection of its leakage (by bad odour) to the extent of about __________ ppm. 50 10000 1 5000 50 10000 1 5000 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Preheating temperature of medium viscosity furnace oil for better atomisation through burner is about __________ °C. 50 70 140 90 50 70 140 90 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Water separometer index (modified) (WSIM) of a petrofuel is the measure of its Emulsification tendency Water content Water absorbing capacity from atmosphere Water separation characteristics Emulsification tendency Water content Water absorbing capacity from atmosphere Water separation characteristics ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Isomerisation converts the __________ tot-paraffins. None of these Naphthenes Olefins Paraffins None of these Naphthenes Olefins Paraffins ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Choose the correct statement regarding thermal cracking. Moderate changes in operating temperature does not change the depth of cracking At low pressure, the yield of lighter hydrocarbons are more Greater depth of cracking gives lower octane number gasoline Increased residence time results in the decreased severity of cracking Moderate changes in operating temperature does not change the depth of cracking At low pressure, the yield of lighter hydrocarbons are more Greater depth of cracking gives lower octane number gasoline Increased residence time results in the decreased severity of cracking ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Refractive index of a petrofuel which is the ratio of velocity of light in air to its velocity in the petrofuel gives an indication if its Both A & B Neither A nor B Aromatics content Molecular weight Both A & B Neither A nor B Aromatics content Molecular weight ANSWER DOWNLOAD EXAMIANS APP
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