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. 10000 50 5000 1 10000 50 5000 1 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Mercaptans are added to liquefied petroleum gas (LPG) to 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 Narrow down its explosion limit ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The octane number of aviation gasoline may be 97 >100 87 79 97 >100 87 79 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Higher pressure in the reforming reactor Increases coke formation Produces high octane number gasoline None of these Increases the rate of reaction Increases coke formation Produces high octane number gasoline None of these Increases the rate of reaction ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Polymerisation Produces i-octane from cracked gases containing i-butane and butene Causes aromatics to combine with each other Is aimed at producing lubricating oil Causes olefins to combine with each other Produces i-octane from cracked gases containing i-butane and butene Causes aromatics to combine with each other Is aimed at producing lubricating oil Causes olefins to combine with each other ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Pick out the correct statement pertaining to catalytic cracking. Percentage conversion increases with increase in the catalyst to oil ratio With increase in the reactor pressure, octane number of gasoline decreases With increase in the reactor temperature, gasoline yield decreases for a given conversion All of these Percentage conversion increases with increase in the catalyst to oil ratio With increase in the reactor pressure, octane number of gasoline decreases With increase in the reactor temperature, gasoline yield decreases for a given conversion All of these ANSWER DOWNLOAD EXAMIANS APP
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