Civil Engineering - Railways - Discussion

Discussion Forum : Railways - Section 3 (Q.No. 31)
31.
If D is distance between centres of two parallel tracks of gauge G with entire curved leads and equal angles of crossing, total length of crossover, is
D (4R - 2G - D)
D (3R - 2G -D)
D (3R + 2G - D)
D (4 + 2G - D)
Answer: Option
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