Petroleum Refinery Engineering Tetraethyl lead is added to the petrol to increase its octane number, because its octane number is Between 50 and 100 Round about 100 Less than 25 More than 100 Between 50 and 100 Round about 100 Less than 25 More than 100 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. 1 5000 10000 50 1 5000 10000 50 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Naphthenic acid is a/an __________ compound. Sulphur Oxygen None of these Nitrogen Sulphur Oxygen None of these Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Olefins are Unsaturated cyclic compounds (hydrocarbons) Present in substantially good quantity in crude petroleum Saturated hydrocarbons None of these Unsaturated cyclic compounds (hydrocarbons) Present in substantially good quantity in crude petroleum Saturated hydrocarbons None of these 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 Both A & B Molecular weight Neither A nor B Aromatics content Both A & B Molecular weight Neither A nor B Aromatics content 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 Pipestill Steam coil Electric immersion None of these Pipestill Steam coil Electric immersion ANSWER DOWNLOAD EXAMIANS APP
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