Petroleum Refinery Engineering Waxy crudes are treated with chemical additives mainly to Dissolve wax Precipitate wax Depress its pour point Remove wax Dissolve wax Precipitate wax Depress its pour point Remove wax ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Catalyst used in the catalytic polymerisation is Nickel Phosphoric acid on kieselghur Vanadium pentaoxide Aluminium chloride Nickel Phosphoric acid on kieselghur Vanadium pentaoxide Aluminium chloride ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Ethyl mercaptan is added to the Doctor negative LPG for facilitating the detection of its leakage (by bad odour) to the extent of about __________ ppm. 50 5000 1 10000 50 5000 1 10000 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Mercaptans are All of these Added in LPG cylinders to detect gas leakage by its smell Low boiling sulphur compounds Undesirable in petrol, as they reduce its octane number All of these Added in LPG cylinders to detect gas leakage by its smell Low boiling sulphur compounds Undesirable in petrol, as they reduce its octane number ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Stabilisation of gasoline (petrol) means Increasing its oxidation stability Improving its lead susceptibility Removal of dissolved gases from it Increasing its vapour pressure Increasing its oxidation stability Improving its lead susceptibility Removal of dissolved gases from it Increasing its vapour pressure ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Molecular weight of petrol may be about 250-300 100-130 350-400 40-60 250-300 100-130 350-400 40-60 ANSWER DOWNLOAD EXAMIANS APP
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