P-2 Towards Green Energy Science - P-2 Towards Green Energy

Atomic power plant in Maharashtra is _____________.

The Hydroelectric capacity of Koyna dam is ___________.

Incomplete combustion of fuels leads to formation of _________________.

______________ is used in thermal power plant.

Water reservoir possesses ___________ energy.

Which type of fuel is used in thermal power plant?

Identify the process shown in figure and name it.

Hydroelectric energy, solar energy and wind energy are called renewable energies. Why?
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Hydroelectric energy, solar energy and wind energy are called renewable energies.

It is absolutely necessary to control the fission reaction in nuclear power plants.

The energy generated from nuclear fuels is not environment friendly.

Observe the given picture and answer the questions.


i. Identify the given diagram.
ii. What is the source of energy in this project?
iii. Why this source is supposed to be ecofriendly?

I. Complete the stages in electric generator using wind energy.

ii. Write limitations in an electric generator using wind energy.

Make a table based on forms of energy and corresponding devices:

	Forms of Energy	Devices
i.	Electric	________________
ii.	Mechanical	Sewing machine, Bicycle
iii.	Thermal	________________
iv.	________________	Solar cooker, Solar heater

What are the advantages of hydroelectric power generation?

Observe the diagram and answer the questions:


i. Which energy is generated from the power plant?
ii. State its source.
iii. Which is more eco-friendly - power generation from coal or power generation from natural gas? Why?

Draw schematic of power plant based on natural gas and answer the following questions:
i. At which place natural gas power plant is situated in Maharashtra?
ii. How is pollution reduced in natural gas based power plant?
iii. Give two examples of eco-friendly electricity process.

The power available from the solar cell is AC.

True or False :
The power available from the solar cell is AC.