Petroleum Refinery Engineering Penetration test determines the __________ of the grease. Stiffness Service temperature Variation in viscosity with temperature Lubricating properties (e.g. oilness) Stiffness Service temperature Variation in viscosity with temperature Lubricating properties (e.g. oilness) ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Gasoline extracted from natural gas (by compression and cooling) is called the __________ gasoline. Unleaded Straight run Polymer Casing head Unleaded Straight run Polymer Casing head ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Octane number of n-heptane is assumed to be 70 100 0 ∞ 70 100 0 ∞ ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Waxes present in petroleum products Crystallise out at low temperature Can be separated out by distillation Are not soluble in them Decrease their viscosity Crystallise out at low temperature Can be separated out by distillation Are not soluble in them Decrease their viscosity ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Highest quality bitumen is produced from the __________ crude oil. Paraffinic Intermediate Naphthenic Mixed Paraffinic Intermediate Naphthenic Mixed ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following constituents present in petroleum is responsible for ash formation? Nitrogen compounds Organometallic compounds Sulphur compounds Oxygen compounds Nitrogen compounds Organometallic compounds Sulphur compounds Oxygen compounds ANSWER DOWNLOAD EXAMIANS APP
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