Petroleum Refinery Engineering Vacuum maintained in the vacuum distillation column in oil refinery is in the range of about __________ mm Hg absolute. 250 to 350 450 to 500 1 to 5 30 to 80 250 to 350 450 to 500 1 to 5 30 to 80 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Fuel oil is subjected to visbreaking to reduce its All of these Pour point Viscosity Pressure drop on pumping All of these Pour point Viscosity Pressure drop on pumping ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The most commonly used feed stock for the reforming reactor is Residuum Heavy fuel oil Casing head gasoline Straight run gasdine Residuum Heavy fuel oil Casing head gasoline Straight run gasdine ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Ethyl mercaptan is a/an __________ compound. Oxygen None of these Sulphur Nitrogen Oxygen None of these Sulphur Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Petroleum is believed to have originated from __________ sources. Neither A nor B Animal Vegetable Both A & B Neither A nor B Animal Vegetable Both A & B ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Choose the correct statement regarding thermal cracking. At low pressure, the yield of lighter hydrocarbons are more Increased residence time results in the decreased severity of cracking Moderate changes in operating temperature does not change the depth of cracking Greater depth of cracking gives lower octane number gasoline At low pressure, the yield of lighter hydrocarbons are more Increased residence time results in the decreased severity of cracking Moderate changes in operating temperature does not change the depth of cracking Greater depth of cracking gives lower octane number gasoline ANSWER DOWNLOAD EXAMIANS APP
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