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How water helps in extinguishing fire? (A) Water cools the combustible material so that its temperature is brought below the ignition temperature (B) Water heats the combustible material so that its temperature is brought below the ignition temperature (C) Water cools the combustible material so that its temperature is brought above the ignition temperature (D) None of these

Water cools the combustible material so that its temperature is brought below the ignition temperature. So, fuel cannot be ignited anymore, thus... View Article

What are sleepers?

Sleepers are wooden boxes laid across the railway tracks which hold the tracks in position. When trains move over them they hold the iron tracks... View Article