Q.

Pick up the correct statement from the following:

A. An extra width of 7.5 cm ballast is provided on outside a curve if track is laid with shortwelded rails
B. An extra width of 7.5 cm ballast is provided on outside a curve sharper than 3° on B.G. and M.G. tracks
C. An extra width of 15 cm ballast is provided on each shoulder if the track is laid with welded rails
D. All the above
Answer» D. All the above
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