Turbines

Q.

Mention any two uses of wind energy.

Q.

What are the various measures to control air pollution?

Q.

What are the limitation of hydroenergy?

Q.

Why is the construction of mini and micro hydroelectric power station on the rivers?

Q.

In a hydropower plant

1. Potential energy possessed by stored water is converted into electricity

2. Kinetic energy possessed by stored water is converted into potential energy

3. Electricity is extracted from water

4. Water is converted into steam to produce electricity

Q.

In a generator, the mechanical energy is converted into electrical energy.

1. True
2. False

Q.

Why is hydroelectric power considered a renewal source of energy?

Q.

Flowing water can rotate a turbine. Which type of energy is used up by the turbine?

Q.

What is a wind energy farm?

Q.

Justify in one sentence that hydro power (hydro electricity) is a renewable source of energy.

Q.

State the energy changes taking place in the case of water in a dam rotating a turbine coupled to a generator.

Q. what is hydro power plants? working of hydro power plant

Q.

Why hydro power plants are associated with dams? [3 MARKS]

Q. Why are thermal power plants setup near oil fields?

Q. is the device which converts mechanical energy to electrical energy.

1. Dynamo
2. Boiler
3. Heater

Q. Statement 1: Dynamo is used to generate electricity in thermal power plant, a hydropower plant and wind energy plant.

Statement 2: Dynamo converts mechanical energy from turbine to electrical energy.

1. Both statements are correct, and statement 2 is the correct explanation for statement 1.
2. Both statements are correct, but statement 2 does not explain statement 1.
3. Only statement 1 is correct.
4. Only statement 2 is correct.

Q. By which method ELECTRICITY is produced in India ?
Also explain that method.
Thank you.

Q.

Which of these does not require any fuel to generate electricity?

1. Biogas power plant

2. Wind mill

3. Thermal power plant

4. Nuclear power plant

Q.

What are the environmental consequences of using the following sources of energy?

Hydroelectric power

Q.

Statement 1: The turbine is used for generating electricity in thermal power plant, hydro power plant and geothermal power plant.

Statement 2: Because turbine converts one form of energy to mechanical energy which further produces electric energy.

1. Statement 1 and Statement 2 are correct, But statement 2 is not the reason for statement 1

2. Statement 1 is correct and statement 2 is incorrect

3. Statement 1 and statement 2 are correct , statement 2 is the reason for statement 1

4. Both statements are incorrect

Q. Identify the component of the following hydropower plant that plays a key role in energy conversion.

1. 
2. 
3. 

Q. ___ turbines are used for the generation of electricity in thermal power plants.

Q.

State and explain the transformation of energy. What sorts of energy transformations are taking place in a hydroelectric power plant.

Q.

What are the environmental consequences of using the following sources of energy?

Wind energy through the windmill.

Q.

Hydroelectric power plant utilizes the energy of

1. flowing water

2. moving wind

3. burning fossils fuels

4. solar energy

Q.

What are the advantages of hydroenergy?

Q.

Which is the country having the largest number of hydroelectric dams?

1. India

2. China

3. Netherlands

4. USA

Q.

Name three common power plants.

Q.

Why does a wind energy farm need a high cost of maintenance?

Q.

explain the working of hydel energy power plant?