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. Decreases linearly Decreases Remains unchanged Increases Decreases linearly Decreases Remains unchanged Increases ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Bottom product of atmospheric pressure crude oil distillation column is termed as Reduced crude Asphalt Residuum Heavy ends Reduced crude Asphalt Residuum Heavy ends ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The most widely used crude topping column in refineries is the __________ column. Perforated plate Bubble-cap Fluidised bed Packed bed Perforated plate Bubble-cap Fluidised bed Packed bed ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Absolute vapor pressure of petrofuels is found by Reid bomb which is heated in water bath to 100°F. In Reid apparatus, the ratio of the volume of air chamber to that of the liquid fuel chamber is 2 1 3 4 2 1 3 4 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 Tanks used for the storage of petroleum products (which are inflammable) should be painted with a __________ paint. White Yellow Red Black White Yellow Red Black ANSWER DOWNLOAD EXAMIANS APP