Ongc Petro Additions Senior Processing Executive Interview Questions and Answers

Petrol and diesel are liquid fuels made up of carbon and hydrogen, while an emulsifier is a substance that helps mix two immiscible liquids.

• Petrol and diesel are commonly used as fuels for vehicles and machinery.

• Emulsifiers are often used in food production to mix oil and water-based ingredients, such as in salad dressings or mayonnaise.

• Petrol is distilled at a lower temperature than diesel, resulting in a lighter and ...read more

The final product of this process is tar or bitumen.

• The process is not specified, so it's difficult to give specific pointers.

• Tar and bitumen are commonly used in road construction and roofing.

• Tar is a dark, thick liquid made from coal or wood, while bitumen is a sticky, black substance made from crude oil.

• Both tar and bitumen are used as binders in asphalt for road construction.

• Tar is also used in waterproofing and as...read more