1.

Permanent closure in running lines for locations such as 500 metre length on both side approaches of tunnels, tunnel proper, major and important bridges including bridge proper, deep cuttings and high embankments should not be less than______ in length, between two adjoining fish plates.

A. 11 meter
B. 12 meter
C. 13 meter
D. 14 meter
Answer» B. 12 meter


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