Advertisements
Advertisements
प्रश्न
What do you know about wind energy?
उत्तर
The wind is used to produce electricity. When the wind blows, it turns the three large blades of the windmill, which are attached to the turbine. The turbine, which is connected to the generator, converts the energy of the wind into electrical energy.
Wind, like the sun, is nature’s gift to the earth. It is free and widely available.
APPEARS IN
संबंधित प्रश्न
"The calorific value of cooking gas (LPG) is 50 kJ/g". What does it mean?
Define ignition temperature of a fuel.
Which of the following is not a renewable source of energy?
(a) wind
(b) flowing water
(c) fossil fuels
(d) fuel wood
Explain why, natural gas is considered to be a good fuel.
Write a short note on the pollution caused by burning fossil fuels.
Why is LPG considered a better fuel than coal?
The pollution of air caused by burning petroleum fuels (like petrol and diesel) in vehicles can be controlled by fitting a device X in the exhaust system of vehicles.
Name the device
What should be the minimum wind speed for the satisfactory working of a wind-powered electric generator?
What is the function of anaerobic micro-organisms such as anaerobic bacteria in a biogas plant?
Name the biomass which is still widely used as a source of heat energy in many household of our country.
Compare and contrast biomass and hydroelectricity as sources of energy.
Which of the following is not an example of a biomass energy source?
(a) wood
(b) biogas
(c) atomic energy
(d) cow-dung
The gravitational pull of the moon cause the sea-water to rise periodically.
(a) What name is given to the condition of the sea when water to rise periodically.
(b) What name is given to the condition of the sea when its raised water recedes?
(c) What name is given to the energy which can be harnessed from this natural phenomenon?
(d) Draw labelled diagram to show how this energy can be harnessed from this natural
State whether the following is True or False.
Coal and petroleum are renewable energy resources.
State whether the following is True or False.
China, the USA, and Spain are major producers of wind energy.
What is the main difference between renewable and non-renewable energy resources?
Who is the odd one out?
State the main difference between the renewable and non-renewable sources of energy.
Choose the incorrect statement regarding wind power
