Petroleum Refinery Engineering Which of the following gasolines (unleaded) has the least octane number? Catalytically cracked gasoline Polymer gasoline Catalytically reformed gasoline Straight run gasoline Catalytically cracked gasoline Polymer gasoline Catalytically reformed gasoline Straight run gasoline ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Smoke point of a test sample of kerosene is found to be 15 mm. On removal of __________ from it, the smoke point rises to 25 mm. Aromatics Olefins None of these N-paraffins Aromatics Olefins None of these N-paraffins ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which is the most effective catalyst used in catalytic cracking of petroleum products? Iron oxide Vanadium pentoxide Zeolite Nickel Iron oxide Vanadium pentoxide Zeolite Nickel ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering A typical yield of kerosene in straight run distillation of crude oil may be about __________ percent. 26 10 18 4 26 10 18 4 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Octane number of n-heptane is assumed to be 100 70 ∞ 0 100 70 ∞ 0 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Choose the correct statement regarding thermal cracking. Increased residence time results in the decreased severity of cracking At low pressure, the yield of lighter hydrocarbons are more Moderate changes in operating temperature does not change the depth of cracking Greater depth of cracking gives lower octane number gasoline Increased residence time results in the decreased severity of cracking At low pressure, the yield of lighter hydrocarbons are more Moderate changes in operating temperature does not change the depth of cracking Greater depth of cracking gives lower octane number gasoline ANSWER DOWNLOAD EXAMIANS APP
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