Solution

Pipelines have become the most convenient and efficient mode of transporting liquids and gases over long distances in India.

1.Solids can be transported in the form of slurry by pipelines.

2.Oil and natural gas are transported to the thermal power stations and fertilizer plants.

3.Pipelines have been constructed like Hazira, Vijaypur and Jagdishpur (HVJ Pipeline).

4.Its initial cost is high but in the long run it is very cheap.

5.Pipelines can be laid over difficult terrain as well as under water.

6. Their operation and maintenance costs are lower and involve very low energy consumption.