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). 5 25 100 50 5 25 100 50 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Feedstock for polymerisation is Naphtha None of these Cracked gases rich in C₂ & C₄ olefins Low boiling aromatics Naphtha None of these Cracked gases rich in C₂ & C₄ olefins Low boiling aromatics ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Solvent deoiling process is used for separating oil and soft wax from hard wax. Methyl iso-butyl ketone and methyl ethyl ketone (MEK) are two commonly used deoiling solvents. Use of former as the deoiling solvent has the advantages of the Elimination of solvent drying facility Lower solvent dilution ratio All of these Higher nitration temperature Elimination of solvent drying facility Lower solvent dilution ratio All of these Higher nitration temperature ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering 95% (by volume) of LPG at 760 mm Hg pressure will evaporate at __________ °C. 55 2 30 -40 55 2 30 -40 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Pressure & temperature maintained in catalytic cracking is about 30atm & 200°C 50atm. & 750°C 10atm & 500°C 2atm & 500°C 30atm & 200°C 50atm. & 750°C 10atm & 500°C 2atm & 500°C ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Paraffin base crude oil as compared to asphalt base crude gives Higher octane number gasoline Higher yield of straight run gasoline Lower viscosity index lube oil Poorer yield of lube oil Higher octane number gasoline Higher yield of straight run gasoline Lower viscosity index lube oil Poorer yield of lube oil ANSWER DOWNLOAD EXAMIANS APP
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