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प्रश्न
State whether the following is True or False.
China, the USA, and Spain are major producers of wind energy.
विकल्प
True
False
उत्तर
True
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संबंधित प्रश्न
What is the difference between a renewable and a non-renewable source of energy? Explain with examples.
Which of the following fuels has the highest calorific value?
(a) natural gas
(b) methane gas
(c) hydrogen gas
(d) biogas
Calorific value and ignition temperature of fuel X are 75 kJ/g and 20°C respectively. These values for fuel Y are 50 kj/g and 75°C respectively. On burning, the fuel Y produces only CO2while fuel X produces CO2 and CO. Which of the two is a better fuel? Give two reasons to support your answer.
Name any four fractions obtained from petroleum which are used as fuels.
State one important use of CNG these days.
Why is LPG considered a good fuel?
The main constituent of petroleum gas is:
(a) methane
(b) ethane
(c) butane
(d) propane
Compare the sun and the fossil fuels as the sources of energy.
State whether the following statement is true or false:
Tidal energy is one of the forms in which solar energy manifests itself in oceans.
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
What type of nuclear reaction is responsible for the liberation of energy:
in a nuclear reactor?
Which produced of the nuclear fission of uranium-235 is utilised to cause further fission of its nuclei?
The source of energy of the sun is:
(a) conversion of hydrogen gas into helium
(b) conversion of carbon fuel into carbon dioxide
(c) burning of hydrogen gas present in the sun
(d) disintegration of uranium into barium and krypton
Give an account of the use of solar energy.
Tidal energy is ______ type of energy.
What is non-renewable resources?
Choose the incorrect statement regarding wind power
Why is there a need to harness non-conventional sources of energy? Give two main reasons.
Write True/False against the following statement.
Oxygen in air is an exhaustible natural resource.
