Keyword Analysis & Research: ballast

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What is the main function of ballast?

The functions of ballast are as follows : It provides levelled bed or support for the railway sleepers. It transfers the load from sleepers to subgrade and distributes the load uniformly on subgrade. It holds the sleepers in a firm position while the trains pass by. It prevents the longitudinal and lateral movement of sleepers.

What are the different types of ballast?

Different Types of Ballasts. There are several different kinds of ballasts, but the three basic types are electronic ballasts, magnetic ballasts and digital. Electronic and High Frequency Electronic Ballasts. Electronic ballasts regulate the electric flow inside the bulb through electronic circuitry.

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