Petroleum Refinery Engineering Mercaptans are Added in LPG cylinders to detect gas leakage by its smell All of these Low boiling sulphur compounds Undesirable in petrol, as they reduce its octane number Added in LPG cylinders to detect gas leakage by its smell All of these Low boiling sulphur compounds Undesirable in petrol, as they reduce its octane number ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Petroleum liquid fuels having flash point greater than 66°C is considered as safe during storage and handling. Which of the following has flash point > 66°C ? Kerosene Naphtha Heavy fuel oil Petrol Kerosene Naphtha Heavy fuel oil Petrol ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Maximum sulphur percentage in low sulphur heavy stock (LSHS) furnace oil is about 0.1 3.5 1 2.5 0.1 3.5 1 2.5 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following processes consumes hydrogen? None of these Fluid catalytic cracking Visbreaking Propane deasphalting None of these Fluid catalytic cracking Visbreaking Propane deasphalting ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Liquefied petroleum Gas (LPG) used for the household cooking comprises mainly of Methane & carbon monoxide Propane & butane Methane & ethane Butane & ethane Methane & carbon monoxide Propane & butane Methane & ethane Butane & ethane ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Pick out the wrong statement about the smoking tendency of various hydrocarbon constituents of kerosene. Smoking tendency of paraffins increases with decrease in its molecular weight Smoking tendency of naphthenes decreases with its increasing molecular weight & also on addition of double bond Smoking tendency of hydrocarbons increases in the order : paraffins → isoparaffins → naphthenes → aromatics Smoking tendency of aromatics decreases with increase in its molecular weight Smoking tendency of paraffins increases with decrease in its molecular weight Smoking tendency of naphthenes decreases with its increasing molecular weight & also on addition of double bond Smoking tendency of hydrocarbons increases in the order : paraffins → isoparaffins → naphthenes → aromatics Smoking tendency of aromatics decreases with increase in its molecular weight ANSWER DOWNLOAD EXAMIANS APP