Example of non-renewable energy is _________________

Which of the following fuels have the highest calorific value ?

Bio-gas mainly contains

Which of the following fuels produces maximum heat?

We depend for our energy requirements mostly on

The bio-gas plant has a ____________________

Geothermal energy is produced due to ________________

Which of the following is the limitation of using hydropower plant as an energy source?

Wind mills convert kinetic energy of wind into

Which of the following statements are true:

1. Sources of energy that have been in use for centuries are called conventional sources of energy.

2. Conventional sources include wood, coal, petroleum and flowing water.

3.Conventional sources like coal and petroleum are nonrenewable,

4. Sources like flowing water are renewable.