Petroleum Refinery Engineering Mercaptans are added to liquefied petroleum gas (LPG) to Narrow down its explosion limit Reduce its cost Increase its calorific value Assist in checking its leakage from cylinder Narrow down its explosion limit Reduce its cost Increase its calorific value Assist in checking its leakage from cylinder ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Char value of Kerosene is the amount of charred oil deposition on the wick obtained after burning it in a standard wick lamp at a standard rate for 24 hours. Char value of a good quality kerosene should be less than __________ mg/kg of kerosene. 100 20 500 1 100 20 500 1 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering __________ treatment is done for appreciable improvement in viscosity index of lubricating oil. Acid Solvent extraction Alkali Clay Acid Solvent extraction Alkali Clay ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Glycol added to petrol acts as a/an __________ agent. Anti-knocking Anti-icing Anti-gum forming Dewaxing Anti-knocking Anti-icing Anti-gum forming Dewaxing ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering During electrical desalting of crude oil, the electrical conductivity of a mixture of crude oil and water (which ranges between 3 to 8% water) __________ with increase in the amount of water. Increases Decreases linearly Remains unchanged Decreases Increases Decreases linearly Remains unchanged Decreases ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Aniline point is the temperature at which Equal weight of diesel & the aniline are completely miscible Aniline vaporises Equal weight of aniline & the test sample are completely miscible Equal volume of aniline & the test sample are completely miscible Equal weight of diesel & the aniline are completely miscible Aniline vaporises Equal weight of aniline & the test sample are completely miscible Equal volume of aniline & the test sample are completely miscible ANSWER DOWNLOAD EXAMIANS APP
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