Petroleum Refinery Engineering Which of the following processes in oil refinery does not employ 'cracking'? None of these Pyrolysis Coking Visbreaking None of these Pyrolysis Coking Visbreaking ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Deoiling of wax is done by its Both B & C Cooling Solvent extraction Heating Both B & C Cooling Solvent extraction Heating ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Cetane number of a diesel fuel is the measure of its Ignition delay Smoke point Viscosity Oxidation stability Ignition delay Smoke point Viscosity Oxidation stability ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Concentration of H₂SO₄ catalyst in alkyla-tion is kept between 90-98%, because H₂SO₄ having concentration More than 98% promotes cracking Less than 90% promotes polymerisation Both A & B Neither A nor B More than 98% promotes cracking Less than 90% promotes polymerisation Both A & B Neither A nor B 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 Tetra methyl ethylene 2-2-4 tri methyl pentane α-methyl naphthalene 1, 3 butadiene Tetra methyl ethylene 2-2-4 tri methyl pentane α-methyl naphthalene 1, 3 butadiene ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which is the most undesirable component in kerosene? Naphthenes N-paraffins Aromatics I-paraffins Naphthenes N-paraffins Aromatics I-paraffins ANSWER DOWNLOAD EXAMIANS APP
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