Petroleum Refinery Engineering Penetration test determines the __________ of the grease. Variation in viscosity with temperature Stiffness Service temperature Lubricating properties (e.g. oilness) Variation in viscosity with temperature Stiffness Service temperature Lubricating properties (e.g. oilness) ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Visbreaking Uses natural gas as feed Produces fuel oil of lower viscosity Produces gasoline only Is carried out at atmospheric pressure Uses natural gas as feed Produces fuel oil of lower viscosity Produces gasoline only Is carried out at atmospheric pressure ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Higher viscosity of lubricating oil usually signifies Lower flash point and fire point Lower Reid vapour pressure Higher acid number Higher flash point and fire point Lower flash point and fire point Lower Reid vapour pressure Higher acid number Higher flash point and fire point ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Refractive index of a petrofuel which is the ratio of velocity of light in air to its velocity in the petrofuel gives an indication if its Molecular weight Neither A nor B Aromatics content Both A & B Molecular weight Neither A nor B Aromatics content Both A & B ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Detergent is added as an additive in engine lubricating oil to Keep contaminants in suspension Prevent rusting Reduce deposit formation Increase oxidation stability Keep contaminants in suspension Prevent rusting Reduce deposit formation Increase oxidation stability ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Butadiene is a/an Di-olefin Olefin Naphthene Aromatic Di-olefin Olefin Naphthene Aromatic ANSWER DOWNLOAD EXAMIANS APP