Petroleum Refinery Engineering Penetration test determines the __________ of the grease. Lubricating properties (e.g. oilness) Stiffness Service temperature Variation in viscosity with temperature Lubricating properties (e.g. oilness) Stiffness Service temperature Variation in viscosity with temperature ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Iso-octane is used as a reference substance in the definition of octane number and it is assigned an octane number value of 100. Iso-octance is chemically known as α-methyl naphthalene 2-2-4 tri methyl pentane Tetra methyl ethylene 1, 3 butadiene α-methyl naphthalene 2-2-4 tri methyl pentane Tetra methyl ethylene 1, 3 butadiene ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which is the most ideal feed stock for 'coking' process used for the manufacture of petroleum coke? Light gas oil Diesel Vacuum residue Naphtha Light gas oil Diesel Vacuum residue Naphtha ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following is not a sulphur compound present in petroleum ? Sulphones Pyroles Thiophenes Mercaptans Sulphones Pyroles Thiophenes Mercaptans 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 aromatics decreases with increase 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 paraffins increases with decrease in its molecular weight Smoking tendency of aromatics decreases with increase 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 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Ethyl mercaptan is a/an __________ compound. Sulphur Nitrogen Oxygen None of these Sulphur Nitrogen Oxygen None of these ANSWER DOWNLOAD EXAMIANS APP