Mercaptans are added to liquefied petroleum gas (LPG) to Assist in checking its leakage from cylinder Increase its calorific value Narrow down its explosion limit Reduce its cost TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following theories of origin of petroleum does not explain the presence of nitrogen & sulphur compounds in crude oil? Engler theory Modern theory All of these Carbide theory TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following has the lowest cetane number? Naphthene I-paraffins Aromatics Olefins TRUE ANSWER : ? YOUR ANSWER : ?
In hydrofining catalytic desulphurisation process for sweetening of petroleum products, use of hydrogen Neither A nor B Enhances the desulphurisation process Minimises coke formation Both A & B TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following petroleum products contain minimum sulphur? Kerosene Furnace oil LSHS Naphtha TRUE ANSWER : ? YOUR ANSWER : ?
Char value of Kerosene is the amount of charred oil deposition on the wick obtained after burning it in a standard wick lamp at a standard rate for 24 hours. Char value of a good quality kerosene should be less than __________ mg/kg of kerosene. 20 500 100 1 TRUE ANSWER : ? YOUR ANSWER : ?
True boiling point apparatus is used for the Determination of characterisation factor None of these Determination of true vapour pressure Evaluation of oil stocks TRUE ANSWER : ? YOUR ANSWER : ?
Presence of aromatics in Kerosene increases its smoke point Diesel increases its cetane number Petrol increases its octane number All of these TRUE ANSWER : ? YOUR ANSWER : ?