Petroleum Refinery Engineering Waxes present in petroleum products Decrease their viscosity Are not soluble in them Can be separated out by distillation Crystallise out at low temperature Decrease their viscosity Are not soluble in them Can be separated out by distillation Crystallise out at low temperature ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Octane number (unleaded) of gasoline produced by isomerisation of butane may be about 70 90 55 45 70 90 55 45 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 1, 3 butadiene 2-2-4 tri methyl pentane Tetra methyl ethylene α-methyl naphthalene 1, 3 butadiene 2-2-4 tri methyl pentane Tetra methyl ethylene ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following is used as a solvent in deasphalting of petroleum products? Liquid sulphur dioxide Propane Methyl ethyl ketone Furfural Liquid sulphur dioxide Propane Methyl ethyl ketone Furfural ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Maximum viscosity of tar/PCM/fuel oil for easy and efficient atomisation in conventional burner is __________ centistokes (or 100 Redwood I seconds). 100 5 25 50 100 5 25 50 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering With increase in the number of carbon and hydrogen atoms in hydrocarbon molecules, the density of petroleum products Increases Remains same Decreases Unpredictable from the data Increases Remains same Decreases Unpredictable from the data ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS