Question

Difference between thermal electricity and hydroelectricity

Answer 1

Thermal power
1)It is generated from petroleum(oil) or coal.
2)Its sources (coal and oil) are exhaustible.
3)On burning coal and oil they cause a lot of pollution.
4)It is expensive in the long run.
Hydroelectric power
1)It is generated from water falling on turbines.
2)Its source is perennial, i.e. inexhaustible.
3)It causes no pollution.
4)It is cheaper in the long run.

Answer 2

Explanation:

A)

In a thermal power station, water is heated by fuels and converted to steam that drives the turbines which in turn the dynamo shaft.

In a hydro power generating dam, water is stored by dams and is allowed to flow by controlled valves at the base of the dam. The water starts moving out of the dam and turbines are fixed at the aperture of flow.The turbines are turned by the kinetic energ of water which in turn turn the dynamo shaft.

The principle in both is the same, only the application is different,i.e. one is artificial and the other is natural.

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