Petroleum Refinery Engineering Which of the following hydrocarbons of same carbon atoms has minimum smoking tendency? Paraffins Naphthenes Iso-paraffins Aromatics Paraffins Naphthenes Iso-paraffins Aromatics ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering High aniline point of diesel indicates that, it Is highly paraffinic Has a low diesel index Has a large ignition delay Is highly aromatic Is highly paraffinic Has a low diesel index Has a large ignition delay Is highly aromatic ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Choose the correct statement regarding thermal cracking. Greater depth of cracking gives lower octane number gasoline At low pressure, the yield of lighter hydrocarbons are more Moderate changes in operating temperature does not change the depth of cracking Increased residence time results in the decreased severity of cracking Greater depth of cracking gives lower octane number gasoline At low pressure, the yield of lighter hydrocarbons are more Moderate changes in operating temperature does not change the depth of cracking Increased residence time results in the decreased severity of cracking ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Penetration test determines the __________ of the grease. Variation in viscosity with temperature Service temperature Lubricating properties (e.g. oilness) Stiffness Variation in viscosity with temperature Service temperature Lubricating properties (e.g. oilness) Stiffness ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering With increase in the molecular weight of aromatic present in kerosene, its smoking tendency Increases Is unpredictable Decreases Remains same Increases Is unpredictable Decreases Remains same ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Smoke point of kerosene is the Time after which smoking starts on burning None of these Maximum height of flame (in mm) without causing smoking, when burnt in a standard lamp Temperature at which smoking starts Time after which smoking starts on burning None of these Maximum height of flame (in mm) without causing smoking, when burnt in a standard lamp Temperature at which smoking starts ANSWER DOWNLOAD EXAMIANS APP
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