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  1. Replacement of electric heaters by steam heaters
  2. Replacement of wind power by thermal power
  3. Replacement of steam-based hot water by solar systems 
  4. Replacement of coal by coconut shells, rice husk, etc.
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1 Answers

Option 2 : Replacement of wind power by thermal power

Need for energy conservation:

There are two sources of energy:

1.) Conventional sources of energy:

The sources of energy that are present for a limited time and will get exhausted with the passage of time are known as conventional sources of energy.

Example - Coal, Fossil Fuel, Petrol, etc.

2.) Non-conventional sources of energy:

The sources of energy that are present in large amounts in nature and will not get exhausted with the passage of time are known as non-conventional sources of energy.

Example - Wind, sunlight, hydro-energy, etc.

Therefore, all the coal or steam-based power plants, system, or equipment must be replaced with non-conventional sources of energy.

From the above options, the replacement of wind power with thermal power is NOT an example of an energy substitute as a measure for energy conservation.

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Related Questions

In the following question the 1st and the last part of the sentence/passage are numbered 1 and 6. The rest of the sentence/ passage is split into four parts and named P, Q, R and S. These four parts are not given in their proper order. Read the sentence/passage and find out which of the four combinations is correct.. 1. Industrially raised chicken can be abnormally forceful, and are regularly kept in obscured sheds to avoid them pecking at each other. P. The feathered creatures invested much a greater amount of their energy—up to a third—pecking at the lifeless things in the pens, as opposed to fowls in different pens which invested a considerable measure of time assaulting others. Q. In low light conditions, they carry on less pugnaciously, yet are more inclined to ophthalmic scatters and respiratory issues. R. In an examination, forceful head-pecking was everything except killed among fowls in the improved condition. S. Modifying the birds’ condition, by adding parcels of wood-shavings to their pens, can work wonders. 6. Bundles could lessen forcefulness and decrease wounds; they may even enhance efficiency, since a glad chicken is a profitable chicken.?
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