Petroleum Refinery Engineering Mercaptans are added to liquefied petroleum gas (LPG) to 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 Narrow down its explosion limit Reduce its cost ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Mercaptans are Undesirable in petrol, as they reduce its octane number Low boiling sulphur compounds Added in LPG cylinders to detect gas leakage by its smell All of these Undesirable in petrol, as they reduce its octane number Low boiling sulphur compounds Added in LPG cylinders to detect gas leakage by its smell All of these ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Ethyl mercaptan is a/an __________ compound. Nitrogen Sulphur None of these Oxygen Nitrogen Sulphur None of these Oxygen ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Penetration test determines the __________ of the grease. Stiffness Variation in viscosity with temperature Service temperature Lubricating properties (e.g. oilness) Stiffness Variation in viscosity with temperature Service temperature Lubricating properties (e.g. oilness) ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The most widely used crude topping column in refineries is the __________ column. Fluidised bed Packed bed Perforated plate Bubble-cap Fluidised bed Packed bed Perforated plate Bubble-cap ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Diesel index.(an alternative index for expressing the quality of diesel) is All of these Equal to cetane number plus 3 Not related to aniline point Determined by using a test engine All of these Equal to cetane number plus 3 Not related to aniline point Determined by using a test engine ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS