Petroleum Refinery Engineering Which of the following has the lowest cetane number? Naphthene Aromatics Olefins I-paraffins Naphthene Aromatics Olefins I-paraffins ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Detergent is added as an additive in engine lubricating oil to Prevent rusting Keep contaminants in suspension Increase oxidation stability Reduce deposit formation Prevent rusting Keep contaminants in suspension Increase oxidation stability Reduce deposit formation ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Catalytic cracking compared to thermal cracking of residue of vacuum distillation of crude oil Lower octane number of petrol Higher sulphur content in the product Gives higher yield of petrol Higher gum forming material in petrol Lower octane number of petrol Higher sulphur content in the product Gives higher yield of petrol Higher gum forming material in petrol ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Petroleum is believed to have originated from __________ sources. Animal Neither A nor B Vegetable Both A & B Animal Neither A nor B Vegetable Both A & B ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Most commonly used crude heater before the fractionation tower in a refinery is the __________ heater. None of these Electric immersion Pipestill Steam coil None of these Electric immersion Pipestill Steam coil ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Name the hydrocarbon having the poorest oxidation stability. Aromatics Paraffin Naphthene Olefin Aromatics Paraffin Naphthene Olefin ANSWER DOWNLOAD EXAMIANS APP
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