The common type of stone used for railway ballast is:
ABasalt or trap granite
BMarble
CSlate
DSand stone
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Related Questions:
The longitudinal movement of the rail in a track is called:
The railway station in which lines from three or more directions meet together is called:
Gauge is the distance between:
The commonly used rails in India
The sleepers which nearly satisfy the requirements of an ideal sleeper, are SAC - 2016