Question

Compare the usefulness of solid, liquid and gaseous fuels.

Answer 1

Solid fuels:

1. Easy to transport

2. Convenient to store

3. Cost of production is low

Liquid fuels:

1. Require less storage space

2. Clean burning fuels and do not leave ashes after burning

3. High calorific value

Gaseous fuels:

1. Clean burning fuel

2. Do not leave ash or smoke after burning

3. Free from impurities