Domestic Fuels Handout 4 Questions

How is coke produced?

• By heating peat in a peat oven

• By heating coal in a coke oven

• By heating oil in an oil oven

• By heating gas in a gas oven

At what temperature is coal heated to produce coke?

• 500ºC

• 800ºC

• 1,000ºC

• 1,200ºC

Which solid fuel cannot burn by itself?

• Coal

• Peat

• Coke

• Oil

Which solid fuel is a fossil fuel?

• Coke

• Peat

• Coal

• Oil

Which solid fuel is known for giving off energy that plants absorbed millions of years ago?

• Coke

• Peat

• Coal

• Oil

What is the relationship between the carbon content in coal and its energy output?

• The higher the carbon, the less energy it has

• The higher the carbon, the more energy it has

• The lower the carbon, the more energy it has

• The carbon content does not affect the energy output

Which solid fuel is produced by heating another solid fuel in an oven?

• Peat

• Coal

• Coke

• Oil

What is the heat content range of bituminous coal?

• 2.2–5.5 kW/kg

• 5.5–8.3 kW/kg

• 7–10 kW/kg

• 10 kW/kg

What is peat primarily formed from?

• Decaying plants

• Animal remains

• Mineral deposits

• Volcanic ash

Why does peat not decompose as it decays?

• High temperature

• Lack of oxygen

• High pressure

• High moisture content