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प्रश्न
State whether the following is True or False.
China, the USA, and Spain are major producers of wind energy.
पर्याय
True
False
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उत्तर
True
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संबंधित प्रश्न
State any four characteristics of a good source of energy.
A non-renewable source of energy is:
(a) wood
(b) alcohol
(c) hydrogen gas
(d) natural gas
A good fuel is one which possesses:
(a) high calorific value and low ignition temperature
(b) high calorific value and high ignition temperature
(c) high calorific value and moderate ignition temperature
(d) low calorific value and moderate ignition temperature
What is the main constituent of:
(1) petroleum gas?
(2) natural gas?
The energy in petrol originally came from the sun. Explain how it got into petrol.
A substance X is added to LPG cylinders while filling so as to make the detection of leakage of LPG from the cylinder easy.
Name the substance X.
Name the original source of wind energy.
Which of the following is needed for the formation of biogas from cow-dung and which not?
Water, Oxygen
What is biomass? Give three examples of biomass.
Compare and contrast biomass and hydroelectricity as sources of energy.
The non-renewable source of energy among the following is:
(a) hydroelectricity
(b) sewage gas
(c) natural gas
(d) gobar gas
What are non-renewable resources of energy? Give two examples of such resources.
Fill in the blank
_______is the coal with the highest percentage of coal.
What are renewable energy resources?
Which part of the solar cooker is responsible for greenhouse effect?
Choose the odd one:
Which one of the following forms of energy leads to least environmental pollution in the process of its harnessing and utilisation?
Coal is one of the ______ used to cook food.
The underlined word in the following sentence have been jumbled up. Write them in their correct form.
Nutsgilh is an example of inexhaustible natural resources.
Some natural resources are given below. Classify them into the exhaustible and inexhaustible natural resources.
| air, coal, natural gas, sunlight, petroleum, minerals, forests, oxygen |
