If sleeper density is M + 7 for 13 m rails, the minimum depth of balla – McqOptions

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1.	If sleeper density is M + 7 for 13 m rails, the minimum depth of ballast under wooden sleepers (25 cm 13 cm), is
A.	15 cm
B.	20 cm
C.	25 cm
D.	30 cm
Answer» C. 25 cm

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