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Which method is mostly used for converting short welded rails to long welded rails?

Which method is mostly used for converting short welded rails to long welded rails? Correct Answer Thermit welding

Thermit welding is used at site to convert short welded rails to long welded rails. Various fastenings such as screws, rail spikes and keys ae used to fix rails to sleepers. Flash butt welding is used to weld rails into three rail panels.

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