Question

Assertion (A): Dry gaseous fuel contains hydrogen.
Reason (R): Hydrogen does not contribute to its calorific value.

Answer 1

Answer

Both (A) & (R) is ture but (R) is not the correct explanation of (A) .

Answer 2

Answer:

Oxygen present in dry gaseous fuel does not contribute to its calorific value.

Ignition temperature: It is the minimum temperature to which a combustible substance must be heated, before it catches fire. Therefore, we see that a combustible substance cannot catch fire as long as its temperature is lower than its ignition temperature e.g. Ignition temperature of phosphorus is 35 °C.

Explanation:

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