burnt coal meaning in Hindi

Examples

1. For most of the time, the railway's steam locomotives have burnt coal.
2. These ships burnt coal, were capable of six to eight knots, and were, on average, 35 years old.
3. In the geologically recent past, some coal in the formation has spontaneously and naturally combusted to form clinker, red and brick-looking burnt coal.
4. The on-board furnaces that burnt coal to generate steam could also be used to heat cannon-shot to a red-hot state, creating highly incendiary missiles.