Coal and Combustion Quiz

Coal mainly consists of which element?

• Nitrogen

• Sulphur

• Carbon

• Oxygen

Which of the following is the purest form of coal?

• Peat

• Lignite

• Bituminous

• Anthracite

The destructive distillation of coal produces:

• Coal tar, coal gas, coke

• Charcoal, ethanol, methane

• Petroleum, diesel, kerosene

• Natural gas, propane, butane

Coke is mainly used in:

• Power generation

• Metallurgy

• Cooking

• Lighting

Which of the following is a by-product of destructive distillation of coal used in road surfacing?

• Coke

• Coal gas

• Coal tar

• Petroleum jelly

Petroleum is formed from:

• Ancient forests

• Marine plants and animals

• Coal beds

• Volcanic activity

Fractional distillation of petroleum is based on:

• Melting point differences

• Density differences

• Boiling point differences

• Colour differences

The first fraction obtained during fractional distillation of petroleum is:

• Diesel

• Petrol

• Petroleum gas

• Kerosene

Diesel fraction of petroleum is mainly used in:

• Aeroplanes

• Trucks & buses

• Domestic cooking

• Making candles

Which petroleum fraction is used as a jet fuel?

• Diesel

• Kerosene

• Naphtha

• Asphalt