Petroleum Refinery Engineering Antioxidants are added in petrol to Impart colour to it, for easy identification Minimise the gum formation Prevent the lead build up in engines Prevent icing of the carburettor Impart colour to it, for easy identification Minimise the gum formation Prevent the lead build up in engines Prevent icing of the carburettor 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
Petroleum Refinery Engineering Catalyst used in the catalytic cracking is Silica gel Silica-alumina Nickel Vanadium pentoxide Silica gel Silica-alumina Nickel Vanadium pentoxide ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Visbreaking process is used mainly for making Smoke free kerosene High cetane diesel High octane gasoline Fuel oil Smoke free kerosene High cetane diesel High octane gasoline Fuel oil ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Pressure & temperature maintained in catalytic cracking is about 10atm & 500°C 2atm & 500°C 30atm & 200°C 50atm. & 750°C 10atm & 500°C 2atm & 500°C 30atm & 200°C 50atm. & 750°C ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Molecular weight of crude oil is in the range of 100-120 230-250 600-850 450-550 100-120 230-250 600-850 450-550 ANSWER DOWNLOAD EXAMIANS APP
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