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प्रश्न
State whether the following is True or False.
The Sardar Sarovar Dam is built on the river Narmada.
पर्याय
True
False
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उत्तर
True
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संबंधित प्रश्न
Why are we looking at alternate sources of energy?
Why are fossil fuels classified as non-renewable source of energy?
Name two sources of energy which you consider to be non-renewable. Give reason for your choice.
An examples of a renewable source of energy is:
(a) petrol
(b) natural gas
(c) biogas
(d) kerosene
The fuel having the lowest calorific value is:
(a) coal
(b) wood
(c) charcoal
(d) kerosene
Name any one hydrocarbon fraction obtained during the fractional distillation of petroleum which is used as a domestic fuel.
What is the composition of liquefied petroleum gas (LPG)?
What is meant by conventional sources of energy? Write the names of two conventional sources of energy.
What are the various steps which can be taken to control (or reduce) pollution caused by burning fossil fuels?
A substance X is added to LPG cylinders while filling so as to make the detection of leakage of LPG from the cylinder easy.
How does substance X make the detection of leakage of LPG easy?
Which of the following is needed for the formation of biogas from cow-dung and which not?
Water, Oxygen
Fill in the following blank with suitable word:
Biomass is another form in which ........... energy manifests itself.
The constituent of biogas which makes it an excellent fuel is:
(a) butane
(b) methane
(c) propane
(d) ethane
The fuel which is not obtained from biomass is:
(a) firewood
(b) cow-dung cakes
(c) coke
(d) charcoal
Which of the two is more energy efficient: filament type electric bulb or CFL? Why?
Name the major constituent of natural gas.
Tidal energy is ______ type of energy.
In a hydro power plant ______.
Which one of the following forms of energy leads to least environmental pollution in the process of its harnessing and utilisation?
Some natural resources are given below. Classify them into the exhaustible and inexhaustible natural resources.
| air, coal, natural gas, sunlight, petroleum, minerals, forests, oxygen |
