Petroleum Refinery Engineering Which is the most ideal feed stock for 'coking' process used for the manufacture of petroleum coke? Naphtha Light gas oil Diesel Vacuum residue Naphtha Light gas oil Diesel Vacuum residue ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Waxes present in petroleum products Are not soluble in them Crystallise out at low temperature Can be separated out by distillation Decrease their viscosity Are not soluble in them Crystallise out at low temperature Can be separated out by distillation Decrease their viscosity ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Mercaptans are All of these Added in LPG cylinders to detect gas leakage by its smell Undesirable in petrol, as they reduce its octane number Low boiling sulphur compounds All of these Added in LPG cylinders to detect gas leakage by its smell Undesirable in petrol, as they reduce its octane number Low boiling sulphur compounds ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Tetraethyl lead is added to the petrol to increase its octane number, because its octane number is More than 100 Less than 25 Round about 100 Between 50 and 100 More than 100 Less than 25 Round about 100 Between 50 and 100 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Octane number (unleaded) of gasoline produced by isomerisation of butane may be about 90 70 45 55 90 70 45 55 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Performance number of a liquid fuel is related to its Sulphur content Knocking tendency Spontaneous ignition temperature Wax content Sulphur content Knocking tendency Spontaneous ignition temperature Wax content ANSWER DOWNLOAD EXAMIANS APP
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