Petroleum Refinery Engineering Pick out the correct statement pertaining to catalytic cracking. 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 Percentage conversion increases with increase in the catalyst to oil ratio With increase in the reactor pressure, octane number of gasoline decreases ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Liquefied Petroleum Gas (LPG) in domestic use cylinders is in the liquid form. The density of LPG in liquid form is about __________ of that of water (i.e. 1 gm/c.c). One third One fourth Half One eighth One third One fourth Half One eighth ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Specific gravity of a petroleum product gives an indication of its Ease of atomisation Sulphur content Hydrocarbon content type (aromatic or paraffinic) Degree of refinement Ease of atomisation Sulphur content Hydrocarbon content type (aromatic or paraffinic) Degree of refinement ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Tetraethyl lead is added to the petrol to increase its octane number, because its octane number is Less than 25 Between 50 and 100 More than 100 Round about 100 Less than 25 Between 50 and 100 More than 100 Round about 100 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Sour crude means the __________ bearing crude. Wax Nitrogen compounds Sulphur compounds Asphalt Wax Nitrogen compounds Sulphur compounds Asphalt ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Smoke point of kerosene is the Maximum height of flame (in mm) without causing smoking, when burnt in a standard lamp Time after which smoking starts on burning None of these Temperature at which smoking starts Maximum height of flame (in mm) without causing smoking, when burnt in a standard lamp Time after which smoking starts on burning None of these Temperature at which smoking starts ANSWER DOWNLOAD EXAMIANS APP
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