Petroleum Refinery Engineering Which of the following additives improves the cetane number of diesel? Amyl nitrate Tetra ethyl lead Napthenic acid Ethyl mercaptan Amyl nitrate Tetra ethyl lead Napthenic acid Ethyl mercaptan 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 None of these N-paraffins Olefins Aromatics None of these N-paraffins Olefins ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Sour crude means the __________ bearing crude. Asphalt Wax Sulphur compounds Nitrogen compounds Asphalt Wax Sulphur compounds Nitrogen compounds ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering A good lubricant should have high Volatility Viscosity index None of these Pour point Volatility Viscosity index None of these Pour point ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Products drawn from the top to bottom of the crude oil distillation column has progressively increasing All of these C/H ratio Boiling points Molecular weight All of these C/H ratio Boiling points Molecular weight ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Pour point of a petrofuel is None of these Multiple of 3°F Multiple of 5°F 5°C below the temperature at which oil ceases to flow None of these Multiple of 3°F Multiple of 5°F 5°C below the temperature at which oil ceases to flow ANSWER DOWNLOAD EXAMIANS APP
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