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. 5000 1 10000 50 5000 1 10000 50 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Liquefied petroleum Gas (LPG) used for the household cooking comprises mainly of Methane & ethane Methane & carbon monoxide Butane & ethane Propane & butane Methane & ethane Methane & carbon monoxide Butane & ethane Propane & butane ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following does not require preheating during storage in the storage tank as well as during atomisation through burners? PCM Light diesel oil Tar Low viscosity furnace oil PCM Light diesel oil Tar Low viscosity furnace oil ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The catalytic cracking of heavier petroleum fraction is done to produce mainly Gasoline Diesel oil Asphalt Tar Gasoline Diesel oil Asphalt Tar ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following is not a sulphur compound present in petroleum ? Pyroles Sulphones Thiophenes Mercaptans Pyroles Sulphones Thiophenes Mercaptans ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Higher boiling fractions like atmospheric residue is distilled under vacuum at low temperature because at high temperature, there is a tendency of the predominance of Gum formation Thermal cracking Coking Discoloration Gum formation Thermal cracking Coking Discoloration ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS