Question

(a) List any two characteristics of a good fuel.; (b) What are non-renewable resources of energy?; Give two examples of such resources.(Delhi - 2011)

Answer 1

Answer:

(a) ❣❣The Characteristics of a good fuel are:❣❣

(i) A good fuel is require to have a high calorific value.

(ii) It should not create any kind of pollution and shouldn’t burn without emission of any smoke or poisonous gases.

(b) ❣❣Non-renewable sources are those sources which once finished cannot be renewed again for millions of years. These are limited in amount and take millions of years to renew. ❣❣The examples of non-renewable sources of energy are:

❣❣Fossil fuels and nuclear fuel are the example of such resources. ❣❣

Answer 2

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