Petroleum Refinery Engineering Cracking is Favoured at very low temperature An endothermic reaction An exothermic reaction None of these Favoured at very low temperature An endothermic reaction An exothermic reaction None of these ANSWER DOWNLOAD EXAMIANS APP
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. 50 5000 10000 1 50 5000 10000 1 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Gum formation in stored gasoline is mainly due to the Alkylation of unsaturates Presence of sulphur Higher aromatic content Oxidation & polymerisation of unsaturates Alkylation of unsaturates Presence of sulphur Higher aromatic content Oxidation & polymerisation of unsaturates ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Molecular weight of petrol may be about 250-300 40-60 350-400 100-130 250-300 40-60 350-400 100-130 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Extractor temperature is maintained at -20°C in Edeleanu process to reduce the __________ of kerosene. Naphthenes Smoke point Paraffins Aromatics Naphthenes Smoke point Paraffins Aromatics ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Presence of predominantly large quantity of aromatics (polynuclear) is not desirable in aviation fuel, because it has High pour point and low smoke point All of these Low viscosity index High self-ingnition temperature High pour point and low smoke point All of these Low viscosity index High self-ingnition temperature ANSWER DOWNLOAD EXAMIANS APP