Petroleum Refinery Engineering Waxes present in petroleum products Are not soluble in them Decrease their viscosity Crystallise out at low temperature Can be separated out by distillation Are not soluble in them Decrease their viscosity Crystallise out at low temperature Can be separated out by distillation ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Mercapsol and Unisol processes are meant for the Decoloration Dewaxing Dearomatisation of kerosene Removal of mercaptans Decoloration Dewaxing Dearomatisation of kerosene Removal of mercaptans ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering A petroleum well is called 'dry', if it contains Only natural gas All of these No natural gas Very little oil Only natural gas All of these No natural gas Very little oil ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Flash point of diesel/kerosene (>50°C) is determined by the Abel apparatus Pensky-Martens apparatus Saybolt chromometer None of these Abel apparatus Pensky-Martens apparatus Saybolt chromometer None of these ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Most commonly used crude heater before the fractionation tower in a refinery is the __________ heater. Steam coil Pipestill None of these Electric immersion Steam coil Pipestill None of these Electric immersion ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Mercaptans are Low boiling sulphur compounds Added in LPG cylinders to detect gas leakage by its smell All of these Undesirable in petrol, as they reduce its octane number Low boiling sulphur compounds Added in LPG cylinders to detect gas leakage by its smell All of these Undesirable in petrol, as they reduce its octane number ANSWER DOWNLOAD EXAMIANS APP